00
Correct
00
Incorrect
00 : 00 : 00
Session Time
00 : 00
Average Question Time ( Secs)
  • Question 1 - A 45-year-old man was referred for abnormal liver biochemistry. Investigations showed he had...

    Correct

    • A 45-year-old man was referred for abnormal liver biochemistry. Investigations showed he had an ALT of 98 U/l and was Hep B surface antigen positive.

      Which of the following is true of chronic active hepatitis due to the hepatitis B virus?

      Your Answer: It carries an increased risk of subsequent hepatocellular carcinoma

      Explanation:

      Chronic active hepatitis due to hepatitis B virus carries an increased risk of subsequent hepatocellular carcinoma. This is because chronic inflammation and liver damage caused by the virus can lead to the development of liver cancer over time. Marked elevation of serum transaminase levels is also commonly seen in chronic active hepatitis B.

      Chronic active hepatitis B is actually more common in men than in women. It is not typically associated with positive hepatitis D serology, as hepatitis D is a separate virus that requires hepatitis B for replication.

      Corticosteroids are not typically used to treat chronic active hepatitis B, as antiviral medications are the mainstay of treatment. Therefore, it does not respond well to corticosteroids.

      Overall, the most important point to remember is the increased risk of hepatocellular carcinoma in patients with chronic active hepatitis B.

    • This question is part of the following fields:

      • Epidemiology
      16.7
      Seconds
  • Question 2 - What tests are recommended for pregnant women newly diagnosed with HIV to determine...

    Correct

    • What tests are recommended for pregnant women newly diagnosed with HIV to determine renal function and the need for specific prophylaxis?

      Your Answer: Creatinine and CD4 count

      Explanation:

      Pregnant women who are newly diagnosed with HIV are at an increased risk for developing complications related to their renal function. Creatinine levels are a key indicator of kidney function, as they reflect the body’s ability to filter waste products from the blood. Monitoring creatinine levels can help healthcare providers assess the health of the kidneys and determine if any interventions are needed to protect renal function.

      Additionally, CD4 count tests are essential for pregnant women with HIV, as they measure the number of CD4 cells in the blood. CD4 cells are a type of white blood cell that plays a crucial role in the immune system. Monitoring CD4 counts can help healthcare providers assess the strength of the immune system and determine if prophylactic treatments are necessary to prevent opportunistic infections.

      By conducting creatinine and CD4 count tests, healthcare providers can better understand the overall health status of pregnant women with HIV and make informed decisions about the need for specific prophylaxis to protect against potential complications. These tests are essential components of comprehensive care for pregnant women living with HIV.

    • This question is part of the following fields:

      • Clinical Evaluation
      5.7
      Seconds
  • Question 3 - For neonates born to HIV-positive mothers, what is the recommended antiretroviral therapy (ART)...

    Correct

    • For neonates born to HIV-positive mothers, what is the recommended antiretroviral therapy (ART) regimen from birth to less than 4 weeks of age and weighing ≥ 3.0 kg?

      Your Answer: Zidovudine-Lamivudine-Nevirapine

      Explanation:

      Neonates born to HIV-positive mothers are at risk of acquiring the virus during childbirth or through breastfeeding. To prevent mother-to-child transmission of HIV, it is crucial to provide antiretroviral therapy (ART) to these neonates as soon as possible after birth.

      For neonates born to HIV-positive mothers from birth to less than 4 weeks of age and weighing ≥ 3.0 kg, the recommended ART regimen is Zidovudine (AZT) + Lamivudine (3TC) + Nevirapine (NVP). This combination of antiretroviral drugs has been shown to be effective in reducing the risk of HIV transmission from mother to child.

      Zidovudine (AZT) and Lamivudine (3TC) are nucleoside reverse transcriptase inhibitors (NRTIs) that work by inhibiting the replication of the HIV virus. Nevirapine (NVP) is a non-nucleoside reverse transcriptase inhibitor (NNRTI) that also helps to prevent the virus from multiplying in the body.

      By starting ART early in neonates born to HIV-positive mothers, healthcare providers can significantly reduce the risk of HIV transmission and improve the long-term health outcomes of these infants. It is important for healthcare providers to closely monitor the neonates on this ART regimen and adjust the treatment as needed based on their individual health status.

    • This question is part of the following fields:

      • Pharmacology
      16.3
      Seconds
  • Question 4 - What is the guideline's stance on the treatment of babies born to mothers...

    Correct

    • What is the guideline's stance on the treatment of babies born to mothers with indeterminate or discrepant HIV test results?

      Your Answer: Treating the baby as a high-risk HIV-exposed infant until the mother’s HIV status can be confirmed

      Explanation:

      When a mother’s HIV test results are indeterminate or discrepant, it means that there is uncertainty about her HIV status. In such cases, it is crucial to err on the side of caution and treat the baby as a high-risk HIV-exposed infant until the mother’s HIV status can be definitively confirmed. This approach ensures that the baby receives appropriate care and protection against potential HIV transmission.

      Providing ART based on the mother’s presumed status may lead to unnecessary treatment if the mother is not actually HIV-positive. Waiting for definitive test results before any treatment could delay necessary interventions to prevent HIV transmission. Automatic enrollment in ART programs may not be appropriate if the mother’s HIV status is ultimately negative.

      Providing one-time prophylactic ART dose immediately after birth may be considered in some cases, but it is important to continue monitoring the baby’s health and confirm the mother’s HIV status to guide further treatment decisions. Overall, treating the baby as a high-risk HIV-exposed infant until the mother’s HIV status can be confirmed is the most prudent approach to ensure the baby’s well-being.

    • This question is part of the following fields:

      • Clinical Evaluation
      7.7
      Seconds
  • Question 5 - When considering switching an adolescent from a PI-containing regimen to a DTG-containing regimen,...

    Correct

    • When considering switching an adolescent from a PI-containing regimen to a DTG-containing regimen, what factor is taken into account based on the 2023 ART Clinical Guidelines?

      Your Answer: Viral load results in the last 12 months

      Explanation:

      When considering switching an adolescent from a PI-containing regimen to a DTG-containing regimen, the factor taken into account based on the 2023 ART Clinical Guidelines is the viral load results in the last 12 months. This is because viral load results provide important information about the effectiveness of the current regimen in suppressing the HIV virus. If the viral load has been consistently undetectable or low, it may indicate that the current regimen is working well and there may not be a need to switch to a new regimen. However, if the viral load is high or increasing, it may suggest that the current regimen is not as effective and a switch to a new regimen, such as one containing DTG, may be necessary to better control the virus and prevent further progression of HIV.

      Other factors that may also be considered when switching regimens include the adolescent’s weight, the presence of any specific drug allergies, time since the last opportunistic infection, and the adolescent’s preference for tablet size. However, viral load results are a key factor in determining the need for a regimen switch, especially for clients who have been on PI-based regimens for an extended period of time. By monitoring viral load results and making informed decisions based on this information, healthcare providers can ensure that adolescents are receiving the most effective and appropriate treatment for their HIV infection.

    • This question is part of the following fields:

      • Clinical Evaluation
      7.1
      Seconds
  • Question 6 - What is the incubation period for CMV? ...

    Correct

    • What is the incubation period for CMV?

      Your Answer: 3-12 weeks

      Explanation:

      Cytomegalovirus (CMV) is a common virus that can infect people of all ages. The incubation period refers to the time between when a person is exposed to the virus and when they start showing symptoms of the infection.

      The incubation period for CMV is typically 3-12 weeks. This means that after being exposed to the virus, it can take anywhere from 3 to 12 weeks for symptoms to appear. During this time, the virus may be replicating in the body without causing any noticeable symptoms.

      It is important to note that some people infected with CMV may never develop symptoms, while others may experience mild flu-like symptoms or more severe complications. If you suspect you have been exposed to CMV or are experiencing symptoms, it is important to consult with a healthcare provider for proper diagnosis and treatment.

    • This question is part of the following fields:

      • Microbiology
      3.1
      Seconds
  • Question 7 - What action should healthcare providers take when managing a client on ART who...

    Correct

    • What action should healthcare providers take when managing a client on ART who develops a drug-sensitive TB according?

      Your Answer: Ensure the TB treatment and ART are managed in an integrated manner to avoid increased visits.

      Explanation:

      When managing a client on antiretroviral therapy (ART) who develops drug-sensitive tuberculosis (TB), healthcare providers should ensure that the TB treatment and ART are managed in an integrated manner. This means that both treatments should be coordinated and monitored during the same clinical consultation visits to avoid the need for additional visits and reduce the risk of the patient becoming disengaged or lost to follow-up.

      The other options provided in the question are not recommended actions for managing a client on ART who develops drug-sensitive TB. Immediately discontinuing ART can have negative consequences for the patient’s HIV management, and starting TB treatment only after completing ART can delay necessary treatment for TB. Referring the patient to a specialized TB treatment center and discontinuing ART management may lead to fragmented care and potential gaps in treatment. Treating TB and HIV independently can also increase the risk of drug interactions and complications for the patient.

      In summary, integrating TB management and ART for clients with drug-sensitive TB is the recommended approach to ensure comprehensive and effective care for these individuals.

    • This question is part of the following fields:

      • Clinical Evaluation
      21.9
      Seconds
  • Question 8 - In the case where a birth PCR result is indeterminate, what is the...

    Incorrect

    • In the case where a birth PCR result is indeterminate, what is the next step according to PMTCT guidelines?

      Your Answer: Initiate prophylactic treatment without repeating PCR

      Correct Answer: Start Bactrim at 6/52 of life

      Explanation:

      When a birth PCR result is indeterminate, it means that the test did not provide a clear result regarding the presence or absence of HIV in the newborn. In this case, the next step according to PMTCT guidelines is to initiate prophylactic treatment without repeating the PCR test. This is because it is important to start treatment as soon as possible to reduce the risk of HIV transmission from mother to child.

      Initiating prophylactic treatment, such as starting Bactrim at 6 weeks of life, can help prevent opportunistic infections in the newborn while further testing is conducted to confirm the HIV status. It is crucial to follow the PMTCT guidelines and provide appropriate care and treatment to ensure the health and well-being of the newborn. Waiting until the baby is 6 months old to redo the test or repeating the PCR in two weeks may delay necessary treatment and put the baby at risk of HIV transmission.

    • This question is part of the following fields:

      • Clinical Evaluation
      12.6
      Seconds
  • Question 9 - A 55-year-old woman diagnosed with type 2 diabetes presents with vomiting and diarrhoea...

    Correct

    • A 55-year-old woman diagnosed with type 2 diabetes presents with vomiting and diarrhoea after eating a meal of chicken and chips. She said her stool had small amounts of blood in. Campylobacter Jejuni was found on her stool culture exam. Which of the following is the most appropriate therapy?

      Your Answer: IV fluids

      Explanation:

      The patient in this case is presenting with symptoms of vomiting, diarrhea, and blood in the stool after consuming a meal of chicken and chips. The presence of Campylobacter Jejuni in her stool culture suggests that she has contracted a Campylobacter infection, which is a common cause of foodborne illness.

      In this scenario, the most appropriate therapy would be IV fluids to help rehydrate the patient and replace any lost fluids due to vomiting and diarrhea. IV fluids are essential in managing dehydration, which can be a serious complication of gastrointestinal infections.

      Amoxicillin, Cefaclor, Metronidazole, and Trimethoprim are not appropriate treatments for Campylobacter infection. Erythromycin is the antibiotic of choice for treating Campylobacter infections in adults, although the use of antibiotics in these cases is still debated. Ciprofloxacin and Tetracycline may also be effective in treating Campylobacter infections.

      Overall, the priority in managing this patient would be to provide supportive care with IV fluids and monitor for any signs of dehydration or worsening symptoms. Antibiotic therapy may be considered based on the severity of the infection and the patient’s overall health status.

    • This question is part of the following fields:

      • Microbiology
      4.6
      Seconds
  • Question 10 - What is the recommended action if a pregnant mother is diagnosed with drug-resistant...

    Correct

    • What is the recommended action if a pregnant mother is diagnosed with drug-resistant TB?

      Your Answer: Discuss with an expert or healthcare provider

      Explanation:

      When a pregnant mother is diagnosed with drug-resistant TB, it is crucial to seek guidance from an expert or healthcare provider due to the complexity of the situation. Drug-resistant TB requires specialized treatment and management, especially in the case of a pregnant woman where the health of both the mother and the unborn child must be considered.

      Starting TB preventive therapy immediately may not be sufficient in the case of drug-resistant TB, as the treatment regimen needs to be tailored to the specific drug resistance profile of the bacteria. Initiating ART without delay is important for managing HIV infection in pregnant women, but it may not address the drug-resistant TB infection.

      Referring the mother to a virologist or calling the HIV hotline may not be the most appropriate actions in this situation, as the primary concern is the management of the drug-resistant TB infection. Therefore, discussing the case with an expert or healthcare provider who has experience in treating drug-resistant TB in pregnant women is the recommended course of action. This will ensure that the mother receives the most appropriate and effective treatment to protect both her health and the health of her unborn child.

    • This question is part of the following fields:

      • Clinical Evaluation
      3.3
      Seconds
  • Question 11 - According to the 2023 Guideline for the Prevention of Vertical Transmission of Communicable...

    Correct

    • According to the 2023 Guideline for the Prevention of Vertical Transmission of Communicable Infections, what documentation is recommended for managing records of HIV-positive women and their infants?

      Your Answer: The Maternity Case Record and The Road to Health Booklet

      Explanation:

      The 2023 Guideline for the Prevention of Vertical Transmission of Communicable Infections emphasizes the importance of proper documentation for managing records of HIV-positive women and their infants. The recommended documents for this purpose are The Maternity Case Record for the mother and The Road to Health Booklet for the HIV-exposed infant.

      The Maternity Case Record is a comprehensive document that tracks the mother’s health care and treatment practices throughout her pregnancy, delivery, and postpartum period. It includes information on prenatal care, HIV testing and treatment, delivery details, and postpartum follow-up. By using this record, healthcare providers can ensure that the mother receives appropriate care and that her HIV status is properly managed.

      The Road to Health Booklet is a similar document designed for infants, including those who are exposed to HIV. It tracks the infant’s growth, development, and immunization status, as well as any HIV testing and treatment they may require. By using this booklet, healthcare providers can monitor the infant’s health and ensure they receive the necessary care to prevent vertical transmission of HIV.

      Overall, using these recommended documents allows for comprehensive and systematic tracking of health care and treatment practices for HIV-positive women and their infants, ultimately helping to prevent vertical transmission of HIV and improve health outcomes for both mother and child.

    • This question is part of the following fields:

      • Epidemiology
      6.8
      Seconds
  • Question 12 - What is the purpose of providing psychosocial support for pregnant and breastfeeding women?...

    Correct

    • What is the purpose of providing psychosocial support for pregnant and breastfeeding women?

      Your Answer: To address mental health and social risk factors that may affect outcomes

      Explanation:

      Pregnancy and breastfeeding are critical periods in a woman’s life that can be accompanied by various mental health and social challenges. Providing psychosocial support during this time is important because it can help address these challenges and improve outcomes for both the mother and her infant.

      For example, pregnant and breastfeeding women may experience stress, anxiety, depression, or other mental health issues that can impact their overall well-being and ability to care for themselves and their baby. By providing psychosocial support, healthcare providers can help these women cope with these challenges, access resources and support systems, and improve their mental health.

      Additionally, social risk factors such as poverty, lack of social support, domestic violence, or substance abuse can also impact the health and well-being of pregnant and breastfeeding women. Psychosocial support can help address these factors, connect women with necessary resources and services, and ultimately improve outcomes for both the mother and her infant.

      In conclusion, providing psychosocial support for pregnant and breastfeeding women is essential in addressing mental health and social risk factors that may affect outcomes. By addressing these challenges and providing support, healthcare providers can help ensure the well-being of both the mother and her infant during this critical time.

    • This question is part of the following fields:

      • Counselling
      3.3
      Seconds
  • Question 13 - How often should the effectiveness of ART be assessed through plasma HIV RNA...

    Correct

    • How often should the effectiveness of ART be assessed through plasma HIV RNA levels?

      Your Answer: Every 6 months

      Explanation:

      The effectiveness of antiretroviral therapy (ART) in managing HIV is typically assessed by measuring plasma HIV RNA levels. Once a person’s HIV RNA levels become undetectable, it is recommended to continue monitoring these levels every 6 months to ensure that the treatment is still working effectively. This frequency allows healthcare providers to track any changes in viral load and make adjustments to the treatment plan if necessary. Monitoring every 6 months strikes a balance between ensuring the treatment is still effective and minimizing the burden of frequent testing on the individual.

    • This question is part of the following fields:

      • Clinical Evaluation
      3.2
      Seconds
  • Question 14 - A 15-year-old girl known with HIV develops lipoatrophy over her thighs and abdomen....

    Correct

    • A 15-year-old girl known with HIV develops lipoatrophy over her thighs and abdomen.
      Which of the following medications can cause this side effect?

      Your Answer: Zidovudine

      Explanation:

      Lipoatrophy is a condition characterized by the loss of fat tissue in specific areas of the body, such as the thighs and abdomen. In individuals with HIV, lipoatrophy can be a side effect of certain antiretroviral medications.

      Among the options provided, zidovudine is known to cause lipoatrophy as a side effect. Zidovudine is a nucleoside reverse transcriptase inhibitor (NRTI) commonly used in the treatment of HIV. NRTIs like zidovudine and stavudine are associated with fat loss, particularly in the subcutaneous tissue of the limbs and face.

      Enfuvirtide, efavirenz, and raltegravir are other classes of antiretroviral medications that are not commonly associated with lipoatrophy. Enfuvirtide is an HIV-fusion inhibitor, efavirenz is a non-nucleoside reverse transcriptase inhibitor (NNRTI), and raltegravir is an integrase inhibitor. These medications may have other side effects, but lipoatrophy is not typically one of them.

      Ganciclovir, on the other hand, is not an anti-HIV medication but is used to treat cytomegalovirus (CMV) infections. It is not associated with lipoatrophy.

      In conclusion, among the options provided, zidovudine is the medication most likely to cause lipoatrophy in a 15-year-old girl with HIV.

    • This question is part of the following fields:

      • Pharmacology
      4
      Seconds
  • Question 15 - What is the recommended action for a patient on ART with a unsuppressed...

    Correct

    • What is the recommended action for a patient on ART with a unsuppressed viral load (VL ≥ 50 c/ml) and adherence over 80%?

      Your Answer: Focus on improved adherence before any regimen changes

      Explanation:

      When a patient on antiretroviral therapy (ART) has an unsuppressed viral load (VL ≥ 50 c/ml) despite having good adherence (over 80%), it is important to first address any potential adherence issues before considering a change in the treatment regimen. Adherence to ART medication is crucial for achieving and maintaining viral suppression, and even small lapses in adherence can lead to treatment failure.

      By focusing on improving adherence through counseling, education, and support, healthcare providers can help the patient better understand the importance of taking their medication consistently and as prescribed. This may involve identifying and addressing any barriers to adherence, such as side effects, pill burden, or lifestyle factors.

      Once adherence has been optimized, the patient’s viral load should be monitored closely to determine if viral suppression can be achieved without changing the current regimen. If adherence interventions are successful and the viral load remains unsuppressed, then a change in the ART regimen may be necessary.

      In summary, the recommended action for a patient on ART with an unsuppressed viral load and good adherence is to focus on improving adherence before considering any changes to the treatment regimen. This approach allows for the potential for viral suppression to be achieved without unnecessary changes to the patient’s medication.

    • This question is part of the following fields:

      • Clinical Evaluation
      6.5
      Seconds
  • Question 16 - What is the maximum duration of isoniazid (INH) dosing for TB-exposed neonates? ...

    Correct

    • What is the maximum duration of isoniazid (INH) dosing for TB-exposed neonates?

      Your Answer: 6 months

      Explanation:

      Isoniazid (INH) is a medication commonly used for the treatment and prevention of tuberculosis (TB). When it comes to TB-exposed neonates, it is important to provide them with the appropriate duration of INH dosing to ensure effective treatment and prevention of the disease.

      The maximum duration of isoniazid (INH) dosing for TB-exposed neonates is typically recommended to be 6 months. This duration is based on clinical guidelines and studies that have shown that a 6-month course of INH is effective in preventing the development of active TB in neonates who have been exposed to the disease.

      While longer durations of INH dosing may be considered in certain cases, such as if the neonate is at high risk for developing TB or if there are other complicating factors, the standard recommendation is to provide a 6-month course of treatment. This duration strikes a balance between providing adequate protection against TB and minimizing the potential for side effects or complications associated with prolonged medication use.

      Overall, the 6-month duration of isoniazid (INH) dosing for TB-exposed neonates is based on evidence-based guidelines and recommendations to ensure the best possible outcomes for these vulnerable patients.

    • This question is part of the following fields:

      • Pharmacology
      3.1
      Seconds
  • Question 17 - A 22-year-old woman presented to the medical clinic for her first-trimester pregnancy counselling....

    Correct

    • A 22-year-old woman presented to the medical clinic for her first-trimester pregnancy counselling. Upon interview and history-taking, it was noted that she was previously an intravenous drug abuser. There were unremarkable first-trimester investigations, except for her chronic Hepatitis B infection.

      All of the following statements is considered true regarding Hepatitis B infection during pregnancy, except:

      Your Answer: A Screening for HBV is not recommended for a pregnant woman with previous vaccination

      Explanation:

      Hepatitis B infection during pregnancy can pose a risk to both the mother and the fetus. Screening for HBV is crucial in pregnant women, regardless of previous vaccination status, as it helps in identifying those who may require interventions to prevent transmission to the baby.

      The risk of fetal infection is higher with chorionic villus sampling than amniocentesis because chorionic villus sampling involves obtaining a sample of the placental tissue, which may contain the virus.

      Women with a high viral load in the third trimester should be offered antiviral therapy to reduce the risk of transmission to the baby. Caesarean section does not reduce the risk of hepatitis B transmission, as the virus is primarily transmitted through exposure to infected blood or body fluids during childbirth.

      Fetal scalp blood sampling in labor should be avoided to prevent potential exposure to the virus. Therefore, all statements are true except for the statement that screening for HBV is not recommended for a pregnant woman with previous vaccination.

    • This question is part of the following fields:

      • Epidemiology
      13.9
      Seconds
  • Question 18 - For PMTCT, when is an HIV PCR test done for neonates born to...

    Correct

    • For PMTCT, when is an HIV PCR test done for neonates born to HIV-positive mothers?

      Your Answer: At birth or immediately for high-risk mothers.

      Explanation:

      For Prevention of Mother-to-Child Transmission (PMTCT) of HIV, it is crucial to identify HIV infection in newborns as early as possible in order to start treatment promptly and prevent the progression of the disease. Therefore, an HIV PCR test is done for neonates born to HIV-positive mothers at birth or immediately for high-risk mothers.

      The option At one year of age is not ideal because delaying the test until one year of age can result in missed opportunities for early intervention and treatment. The option Only if the mother was not on ART during pregnancy is not accurate because all newborns born to HIV-positive mothers should be tested regardless of the mother’s ART status. The option At six weeks during vaccinations is not the recommended timing for the HIV PCR test. The option At nine months is also not the recommended timing for the test.

      In conclusion, conducting an HIV PCR test at birth or immediately for babies born to high-risk mothers is essential for early detection and management of HIV infection in newborns.

    • This question is part of the following fields:

      • Epidemiology
      8.1
      Seconds
  • Question 19 - A 10-year-old boy with perinatally acquired HIV returns to your clinic for routine...

    Correct

    • A 10-year-old boy with perinatally acquired HIV returns to your clinic for routine follow-up. He has maintained suppressed HIV RNA levels for years on a regimen of nevirapine, zidovudine, and lamivudine. He is having increasing side effects with this regimen and does not like the twice-daily dosing and the number of pills. You are considering switching to a new regimen that includes an integrase strand transfer inhibitor (INSTI). He weighs 32 kg and has a sexual maturity rating (SMR) of 2.
      Which one of the following would be considered a preferred INSTI-based regimen for this 10-year-old boy?

      Your Answer: Bictegravir-tenofovir alafenamide-emtricitabine

      Explanation:

      For many of the approved antiretroviral agents, the FDA has stipulated specific age restrictions based on limited data in pediatric populations. Integrase strand transfer inhibitors (INSTIs) have increasingly been used for antiretroviral therapy, in combination with nucleoside reverse transcriptase inhibitors (NRTIs), due to excellent virologic activity and very few side effects. For this 10-year-old boy who weighs 32 kg, there are two preferred antiretroviral options, and both are INSTI-based regimens: bictegravir-tenofovir alafenamide-emtricitabine or dolutegravir plus 2 nucleoside reverse transcriptase inhibitors (NRTIs). The following summarizes the FDA approval status for the use of INSTIs in pediatric populations:

      Bictegravir: This INSTI is only available in the fixed-dose combination bictegravir-tenofovir alafenamide-emtricitabine and this medication is FDA-approved for use in children who weigh at least 14 kg. Bictegravir-tenofovir alafenamide-emtricitabine is a preferred regimen in pediatric patients who are at least 2 years old and weigh at least 14 kg.
      Cabotegravir: Long-acting injectable cabotegravir and rilpivirine is FDA-approved only for adults.
      Dolutegravir: The FDA has approved the use of dolutegravir in children who are at least 4 weeks of age and weigh at least 3 kg. Dolutegravir plus two NRTIs is a preferred regimen in children who are at least 4 weeks of age and weigh at least 3 kg. The fixed dose combination dolutegravir-abacavir-lamivudine is FDA-approved for use in children who weigh at least 10 kg. The fixed-dose 2-drug oral regimens (dolutegravir-rilpivirine and dolutegravir-lamivudine) are recommended as single-tablet antiretroviral therapy regimens only for adults.
      Elvitegravir: The fixed-dose single tablet medication elvitegravir-cobicistat-tenofovir alafenamide-emtricitabine is FDA-approved for use in children who weigh at least 25 kg. The fixed-dose single-tablet medication elvitegravir-cobicistat-tenofovir DF-emtricitabine is FDA-approved for use in children who weigh at least 35 kg. Elvitegravir-based regimens are not recommended as preferred antiretroviral regimens.
      Raltegravir: The FDA has approved raltegravir for use in combination with other antiretroviral medication in children who weigh at least 2 kg. Raltegravir is available as an oral suspension, chewable tablets, and regular tablets. Raltegravir plus two NRTIs is a preferred regimen in children younger than 4 weeks of age who weigh at least 2 kg. The high-dose raltegravir (600 mg tablets) is given as 1200 mg once-daily, and this dosing is approved for use only in children who weigh at least 40 kg. Raltegravir is not available in any fixed-dose combinations.

    • This question is part of the following fields:

      • Pharmacology
      5.5
      Seconds
  • Question 20 - What intervention is suggested for managing patients on a DTG-containing regimen when also...

    Correct

    • What intervention is suggested for managing patients on a DTG-containing regimen when also receiving rifampicin-containing TB treatment?

      Your Answer: Increase DTG dose to 50 mg 12-hourly

      Explanation:

      When patients are on a dolutegravir (DTG)-containing regimen for HIV treatment and also receiving rifampicin-containing treatment for tuberculosis (TB), there is a potential for drug interactions between the two medications. Rifampicin is known to decrease the plasma concentrations of DTG, which can lead to reduced effectiveness of the HIV treatment.

      To manage this interaction, the recommended intervention is to increase the dose of DTG to 50 mg 12-hourly. This adjustment helps to maintain adequate plasma concentrations of DTG despite the interaction with rifampicin. By increasing the dose, the therapeutic effect of DTG can be preserved, ensuring that the HIV treatment remains effective even in the presence of rifampicin-containing TB treatment.

      Therefore, the correct answer to the question is: Increase DTG dose to 50 mg 12-hourly. This intervention is necessary to manage the drug interaction and maintain the efficacy of both HIV and TB treatments in patients receiving both medications.

    • This question is part of the following fields:

      • Pharmacology
      5.4
      Seconds
  • Question 21 - What is the recommended treatment for children who are contacts of index TB...

    Correct

    • What is the recommended treatment for children who are contacts of index TB cases, regardless of their HIV status?

      Your Answer: Isoniazid and pyridoxine for 6 months

      Explanation:

      Children who are contacts of index TB cases are at a higher risk of developing active TB themselves. Therefore, it is important to provide them with TB preventive therapy to reduce this risk. Isoniazid and pyridoxine for 6 months is the recommended treatment for these children, as it has been shown to be effective in preventing the development of active TB in this population.

      Rifampicin and isoniazid for 12 months is not the recommended treatment for children who are contacts of index TB cases, as this regimen is typically used for the treatment of active TB, not for preventive therapy. Pyrazinamide and ethambutol for 2 weeks is also not the recommended treatment for TB preventive therapy in this population.

      Streptomycin and ethionamide for 6 months is not a standard regimen for TB preventive therapy in children who are contacts of index TB cases. Amoxicillin and clavulanic acid for 10 days is an antibiotic used to treat bacterial infections, not TB.

      In conclusion, isoniazid and pyridoxine for 6 months is the recommended treatment for children who are contacts of index TB cases, regardless of their HIV status, to prevent the development of active TB.

    • This question is part of the following fields:

      • Epidemiology
      8.1
      Seconds
  • Question 22 - What is the acceptable level of estimated Glomerular Filtration Rate (eGFR) for TDF...

    Correct

    • What is the acceptable level of estimated Glomerular Filtration Rate (eGFR) for TDF use in adults and adolescents?

      Your Answer: > 50 mL/min/1.73m2

      Explanation:

      The estimated Glomerular Filtration Rate (eGFR) is a measure of how well the kidneys are functioning. Tenofovir disoproxil fumarate (TDF) is a medication used to treat HIV and hepatitis B, but it can be harmful to the kidneys if they are not functioning properly. Therefore, it is important to monitor a patient’s eGFR before starting TDF therapy.

      An eGFR using the Modification of Diet in Renal Disease (MDRD) equation of > 50 mL/min/1.73m2 is considered an acceptable level for TDF use in adults and adolescents. This level indicates that the kidneys are functioning well enough to safely metabolize and excrete the medication without causing harm.

      The other options provided in the question, such as > 80 mL/min/1.73 m2, < 10 and < 16 years of age, < 85 μmol/L, and > 120 IU/L, are not directly related to the acceptable eGFR level for TDF use. It is important to follow the specific guidelines and recommendations for eGFR levels when considering TDF therapy to ensure the safety and effectiveness of the treatment.

    • This question is part of the following fields:

      • Pharmacology
      5.1
      Seconds
  • Question 23 - Antibiotic resistance may happen by: ...

    Correct

    • Antibiotic resistance may happen by:

      Your Answer: By enzymes which inactivate the drug

      Explanation:

      Antibiotic resistance can occur through various mechanisms, including the inactivation of the drug by enzymes produced by the bacteria. These enzymes can modify or degrade the antibiotic, rendering it ineffective in killing the bacteria.

      Transduction is a process where naked DNA is transferred from one bacterium to another through a virus, potentially transferring resistance genes along with it.

      Active expulsion of the drug by nuclear efflux systems is another way bacteria can develop resistance. These efflux pumps can pump out the antibiotic before it can have an effect on the bacteria.

      Transformation is a process where bacteria can acquire resistance genes from their environment, such as from other bacteria. This transfer of resistance genes can lead to the development of antibiotic resistance in the bacteria.

      Therefore, the correct answer is: By enzymes which inactivate the drug, By transduction when naked DNA is incorporated by the host DNA, By active expulsion of drug by nuclear efflux systems, and By transformation when resistance is transferred from 1 bacteria to another.

    • This question is part of the following fields:

      • Microbiology
      3.1
      Seconds
  • Question 24 - A 25-year-old woman visits her primary care physician (PCP) complaining of yellow vaginal...

    Correct

    • A 25-year-old woman visits her primary care physician (PCP) complaining of yellow vaginal discharge, abnormal vaginal odor, vulvar itching, and pain while urinating. During the examination, the PCP notices a purulent discharge and a patchy erythematous lesion on the cervix. The PCP suspects Trichomonas vaginalis as the possible diagnosis. What would be the most suitable investigation to assist in the diagnosis of T. vaginalis for this patient?

      Your Answer: Wet mount and high vaginal swab

      Explanation:

      Trichomoniasis is a sexually transmitted disease caused by the protozoan parasite T. vaginalis. While both men and women can be affected, women are more likely to experience symptoms. Diagnosis of trichomoniasis is typically made through wet mount microscopy and direct visualisation, with DNA amplification techniques offering higher sensitivity. Urine testing is not considered the gold standard, and cervical swabs are not sensitive enough. Treatment involves a single dose of metronidazole, and sexual partners should be treated simultaneously. Trichomoniasis may increase susceptibility to HIV infection and transmission. Symptoms in women include a yellow-green vaginal discharge with a strong odour, dysuria, pain on intercourse, and vaginal itching. Men may experience penile irritation, mild discharge, dysuria, or pain after ejaculation.

    • This question is part of the following fields:

      • Microbiology
      3.6
      Seconds
  • Question 25 - Which statement describes endogenous transmission the best? ...

    Correct

    • Which statement describes endogenous transmission the best?

      Your Answer: Commensal flora that gain access to an inappropriate area

      Explanation:

      Endogenous transmission refers to the spread of infection by organisms that are normally present in the body but have become pathogenic due to certain conditions. This type of transmission occurs when the body’s own flora, which are usually harmless, gain access to a different part of the body where they can cause infection.

      In contrast, exogenous transmission involves the introduction of pathogens from external sources. For example, inhalation of secretions containing a pathogen, direct person-to-person spread, transfer due to poor hygiene and contaminated food, and transfer from pets or other animals are all examples of exogenous infections.

      Therefore, the statement Commensal flora that gain access to an inappropriate area best describes endogenous transmission, as it involves the activation of normally harmless flora within the body.

    • This question is part of the following fields:

      • Microbiology
      4.4
      Seconds
  • Question 26 - A pregnant female recently underwent her antenatal screening for HIV and Hepatitis B....

    Correct

    • A pregnant female recently underwent her antenatal screening for HIV and Hepatitis B. Which of the following additional tests should she be screened for?

      Your Answer: Rubella, Toxoplasma and Syphilis

      Explanation:

      During pregnancy, it is important for women to undergo screening for certain infectious diseases that can potentially harm the fetus. HIV and Hepatitis B are two infections that can be transmitted from mother to baby during pregnancy, childbirth, or breastfeeding. Therefore, it is crucial to screen for these infections in pregnant women to prevent transmission to the baby.

      In addition to HIV and Hepatitis B, pregnant women should also be screened for Rubella, Toxoplasma, and Syphilis. Rubella is a viral infection that can cause serious birth defects if contracted during pregnancy. Toxoplasmosis is a parasitic infection that can also lead to birth defects or complications in the baby. Syphilis is a sexually transmitted infection that can be passed from mother to baby during pregnancy and can result in serious health issues for the baby.

    • This question is part of the following fields:

      • Microbiology
      3.2
      Seconds
  • Question 27 - Why is monitoring weight and growth important for clients on ART? ...

    Correct

    • Why is monitoring weight and growth important for clients on ART?

      Your Answer: To evaluate treatment response

      Explanation:

      Monitoring weight and growth is important for clients on antiretroviral therapy (ART) for several reasons. Firstly, it helps assess adherence to treatment. Changes in weight can indicate whether a client is consistently taking their medication as prescribed.

      Secondly, monitoring weight and growth can help detect drug toxicity. Some antiretroviral medications can have side effects that impact weight and growth, so regular monitoring can help identify any potential issues early on.

      Additionally, monitoring weight and growth is crucial for evaluating treatment response. Changes in weight can indicate how well the ART is working to control the HIV infection and improve overall health.

      Furthermore, monitoring weight and growth can help screen for opportunistic infections. Clients with HIV are at increased risk for infections, and changes in weight can be a sign of an underlying infection that needs to be addressed.

      Lastly, monitoring weight and growth can help determine if medication dosage adjustments are needed. Changes in weight can impact how medications are metabolized in the body, so regular monitoring can help ensure clients are receiving the appropriate dosage of their ART.

      In conclusion, monitoring weight and growth is a vital component of care for clients on ART as it helps assess adherence, detect toxicity, evaluate treatment response, screen for infections, and determine medication dosage adjustments.

    • This question is part of the following fields:

      • Clinical Evaluation
      3.1
      Seconds
  • Question 28 - A 45-year-old male presents to the clinic complaining of vomiting and early morning...

    Correct

    • A 45-year-old male presents to the clinic complaining of vomiting and early morning headaches. CT scan of the brain shows multiple ring enhancing lesions. Which of the following is the cause of this finding?

      Your Answer: Toxoplasmosis

      Explanation:

      The patient in this case is presenting with vomiting and early morning headaches, along with multiple ring enhancing lesions on a CT scan of the brain. This finding is characteristic of cerebral toxoplasmosis, which is caused by the parasite Toxoplasma gondii.

      Toxoplasmosis can be transmitted through ingestion of cysts found in raw meat or cat feces, or from mother to fetus through the placenta. In immunocompetent individuals, toxoplasmosis is usually asymptomatic or mild, but in immunosuppressed patients, such as those who are HIV-positive, it can lead to more severe symptoms like cerebral toxoplasmosis.

      Treatment for toxoplasmosis typically involves a combination of pyrimethamine, sulfadiazine, and leucovorin. It is important to treat immunosuppressed patients, infected mothers, and patients with more severe symptoms to prevent complications.

    • This question is part of the following fields:

      • Microbiology
      3.8
      Seconds
  • Question 29 - What is the International goal for ending the AIDS epidemic by the World...

    Correct

    • What is the International goal for ending the AIDS epidemic by the World Health Organization (WHO)?

      Your Answer: By 2030

      Explanation:

      The World Health Organization (WHO) has set a goal to end the AIDS epidemic by 2030 through its Fast-Track strategy. This strategy involves accelerating the scale-up of HIV prevention, treatment, and care services in order to reach key targets by 2020 and ultimately end the epidemic by 2030. This includes increasing access to HIV testing and treatment, reducing new HIV infections, and eliminating AIDS-related deaths. By focusing on key populations most affected by HIV, such as men who have sex with men, sex workers, people who inject drugs, and transgender individuals, the WHO aims to achieve these targets and ultimately end the AIDS epidemic by 2030.

    • This question is part of the following fields:

      • Epidemiology
      2.1
      Seconds
  • Question 30 - What is one of the first steps in the process of disclosing a...

    Correct

    • What is one of the first steps in the process of disclosing a child's HIV status to them (partial disclosure phase)?

      Your Answer: Introducing concepts of good and bad health.

      Explanation:

      During the partial disclosure phase for children aged 5-9 years, it is important to gradually introduce the concept of their HIV status to them. One of the first steps in this process is to introduce concepts of good and bad health. This can involve explaining to the child the importance of taking their medication in order to maintain their health and manage their condition.

      By introducing these concepts early on, the child can begin to understand the importance of their medication and how it plays a role in their overall health. This step helps to lay the foundation for further discussions about their HIV status and how it may impact their life.

      It is important to approach the disclosure process with sensitivity and care, taking into consideration the child’s age and level of understanding. By gradually introducing these concepts and providing age-appropriate information, the child can begin to process and come to terms with their HIV status in a supportive and understanding environment.

    • This question is part of the following fields:

      • Counselling
      7
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Epidemiology (6/6) 100%
Clinical Evaluation (8/9) 89%
Pharmacology (6/6) 100%
Microbiology (7/7) 100%
Counselling (2/2) 100%
Passmed