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  • Question 1 - Which of the following would be the most appropriate treatment (leaving out the...

    Incorrect

    • Which of the following would be the most appropriate treatment (leaving out the current NICE guidelines) for a 29 year old man with erythrodermic psoriasis and arthritis mutilans involving several digits of both hands?

      Your Answer: Prednisolone

      Correct Answer: Etanercept

      Explanation:

      TNF-alpha inhibitors are known to ameliorate the symptoms and disease activity of Arthritis mutilans (a rare and severe form of psoriatic arthritis), by disabling the cytokines that are involved in inflammation and joint destruction. From the mentioned choices, this would be the most effective option. Methotrexate is the most commonly used DMARD, followed by sulfasalazine used in mild to moderate forms of psoriatic arthritis but has not shown much efficacy in arthritis mutilans. Phototherapy, narrowband UVB light therapy can be very effective in clearing skin lesions.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      18.8
      Seconds
  • Question 2 - A 52 year old shopkeeper presents with pain in her hands. Examination reveals...

    Incorrect

    • A 52 year old shopkeeper presents with pain in her hands. Examination reveals plaques on the extensor surfaces of her upper limbs and a telescoping deformity of both index fingers. Nails show pitting and horizontal ridging. The patient is most likely suffering from which of the following?

      Your Answer: Systemic lupus erythematosus

      Correct Answer: Arthritis mutilans

      Explanation:

      Arthritis mutilans is a rare (occurs in only 5% of the patients) and extremely severe form psoriatic arthritis characterized by resorption of bones and the consequent collapse of soft tissue. When this affects the hands, it can cause a phenomenon sometimes referred to as ‘telescoping fingers.’ The associated nail changes are also characteristic of arthritis.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      27.8
      Seconds
  • Question 3 - A 36 year old man arrives at the clinic complaining of pain and...

    Incorrect

    • A 36 year old man arrives at the clinic complaining of pain and swelling of the left knee, ankles and right hallux. He has acute conjunctivitis, and dysuria. He suffered from an episode of gastroenteritis two weeks back. Clinical examination shows left Achilles tendonitis and right plantar fasciitis. Radiological examination reveals left sacroiliitis, with evidence of enthesitis, joint erosions and periostitis. HLA-B27 is positive. Which of the following is the most likely diagnosis?

      Your Answer: Gonococcal arthritis

      Correct Answer: Reiter’s syndrome

      Explanation:

      Reactive arthritis, (formerly known as Reiter’s syndrome), is an autoimmune condition that occurs after a bacterial infection of the gastrointestinal or urinary tract. It is categorized as a seronegative spondylarthritis because of its association with HLA-B27. Reactive arthritis primarily affects young men and usually presents with musculoskeletal or extra‑articular symptoms. The characteristic triad consists of arthritis, conjunctivitis, and urethritis. The diagnosis is based on clinical features such as patient history and physical examination; there are no specific tests for reactive arthritis. Treatment is primarily symptomatic and consists of the administration of NSAIDs, as most patients recover spontaneously. extraarticular dermatologic manifestations include skin lesions of the glans resembling psoriasis (balanitis circinata); hyperkeratinisation of the palms and soles (keratoderma blenorrhagicum), oral ulcers.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      36.7
      Seconds
  • Question 4 - A 56 year old woman presents to the clinic complaining of shoulder pain...

    Incorrect

    • A 56 year old woman presents to the clinic complaining of shoulder pain that she has been experiencing for the last 4 weeks. She does not remember getting injured previously. The pain worsens on movement especially when she is moving the arm quickly. At night, lying on the affected side is painful. Examination reveals no erythema or swelling. However, pain is felt on passive abduction between 60 to 120 degrees and she is unable to abduct the arm past 70-80 degrees. Flexion and extension are intact. What is the most likely diagnosis?

      Your Answer: Adhesive capsulitis (frozen shoulder)

      Correct Answer: Supraspinatus tendonitis

      Explanation:

      Supraspinatus tendinopathy is a common and disabling condition that becomes more prevalent after middle age and is a common cause of pain in the shoulder. A predisposing factor is resistive overuse. This patient has the classic painful arc that is a sign of shoulder impingement characteristic of supraspinatus tendonitis.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      39.8
      Seconds
  • Question 5 - A 28 year old man was rushed to the hospital after experiencing sudden...

    Incorrect

    • A 28 year old man was rushed to the hospital after experiencing sudden onset chest pain while playing football. He has never felt such pain in the past. However, one of his uncles had a similar sudden discomfort at a young age and he passed away following a heart problem. The following vitals are recorded on examination:BP: 101/74 mmHgRR: 22 breaths/minPR: 87 beats/min Physical examination reveals abnormally long fingers and on asking the man to hold the opposite wrist, the thumb and little finger overlap each other. He is not taking any medication regularly and past medical/surgical history is not significant. He admits to smoking half pack of cigarettes/day for the last 10 years but denies abusing any illicit drugs. Which of the following explanation most likely explains the disease process in this man?

      Your Answer: Decrease in the production of collagen

      Correct Answer: A defect of the glycoprotein structure which usually wraps around elastin

      Explanation:

      Aortic dissection is defined as separation of the layers within the aortic wall. Tears in the intimal layer result in the propagation of dissection (proximally or distally) secondary to blood entering the intima-media space. This can be caused as a result of both congenital or acquired factors like chronic uncontrolled hypertension. This patient shows no sign of hypertension but his physical examination hints towards Marfan Syndrome. Marfan syndrome (MFS) is an autosomal dominant connective tissue disorder affecting the microfibrils and elastin in connective tissue throughout the body. MFS is associated with pathological manifestations in the cardiovascular system (e.g., mitral valve prolapse, aortic aneurysm, and dissection), the musculoskeletal system (e.g., tall stature with disproportionately long extremities, joint hypermobility), and the eyes (e.g., subluxation of the lens of the eye). Decreased collagen production occurs in ageing, hydroxylation defects are present in vitamin C deficiency, copper deficiency affecting lysyl oxidase enzyme occurs in Menke’s disease.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      38.9
      Seconds
  • Question 6 - A 32 year old female is diagnosed with SLE based on her complaints...

    Incorrect

    • A 32 year old female is diagnosed with SLE based on her complaints of polyarthralgia, mouth ulcers and ANA positivity. Labs reveal normal urinalysis, urea and electrolytes. ESR is 90mm in the first hour. How will you manage this patient?

      Your Answer: Prednisolone 30 mg/day

      Correct Answer: Hydroxychloroquine 200 mg/day

      Explanation:

      Hydroxychloroquine is used in the management of SLE as it prevents disease progression and has relatively mild side effects, for instance headache, nausea etc. Its use reduces the usage of corticosteroids. It is particularly effective when the disease is less severe and there is no organ involvement. Cyclophosphamide and prednisolone are indicated in cases of renal, neurological and lung involvement.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      15.5
      Seconds
  • Question 7 - A 45 year old male presents with lower backache and pain in his...

    Incorrect

    • A 45 year old male presents with lower backache and pain in his hips. Blood tests are normal except for elevated serum alkaline phosphatase which is 1200 IU/l (45-105). Radiological examination shows combined osteolytic and osteosclerotic lesions. What is the most common site of occurrence of this disease?

      Your Answer:

      Correct Answer: Pelvis

      Explanation:

      The patient most likely suffers from Paget’s disease of the bone as his radiological examination shows both osteolytic and osteosclerotic lesions. Any bone or bones can be affected, but Paget’s disease occurs most frequently in the pelvis > lumbar spine > femur > thoracic spine > sacrum > skull > tibia.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 8 - A 49 year old female presents to the clinic complaining of pain in...

    Incorrect

    • A 49 year old female presents to the clinic complaining of pain in her left elbow that is localized to the left lateral epicondyle. She has spent the weekend painting her house. A diagnosis of lateral epicondylitis is suspected. The pain would characteristically worsen on which of the following movements?

      Your Answer:

      Correct Answer: Resisted wrist extension with the elbow extended

      Explanation:

      Lateral epicondylitis (tennis elbow) is an overuse injury of the hand and finger extensor tendons that originate in the lateral humeral epicondyle that occurs following repeated or excessive pronation/supination and extension of the wrist (e.g., in racquet sports). Clinical features include pain and tenderness over the lateral epicondyle and along extensor muscles, thickening of the tendons. The examiner holds the patient’s hand with the thumb placed over the lateral epicondyle – The patient makes a fist, supinates the forearm, deviates radially, and extends the fist against the examiner’s resistance which results in pain over the lateral epicondyle. Conservative treatment includes rest, physiotherapy and orthotic braces. If this fails corticosteroids and lidocaine injections are employed. Surgery is indicated in patients with persistent symptoms despite 6 months of conservative treatment. Excision of abnormal tendon tissue; longitudinal incisions (tenotomies) in scarred and fibrotic areas to promote healing.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 9 - A 55 year old female presents with progressive dyspnoea, dry cough and fever....

    Incorrect

    • A 55 year old female presents with progressive dyspnoea, dry cough and fever. She started methotrexate therapy six weeks ago. The current regimen includes methotrexate 15 mg/ week, folic acid 5 mg/day and aspirin 75 mg/day. There is no history of any other chronic illness. Vitals are as follows: Temp: 37.8C, pulse: 100 beats/min, BP: 110/80mmHg and SaO2: 90% on air. Examination reveals synovitis in both wrists, and metacarpophalangeal joints. On auscultation, there are scattered crepitations. Blood test reports are given below:Haemoglobin: 13.1g/dl (13.0 – 18.0 g/dL)WBC: 8.2 x109/l (4 – 11 x 109/l)Neutrophils: 5.1×109/l (1.5 – 7 x 109/l)Platelets: 280 x109/l (150 – 400 x 109/L)ESR: 48 mm/hr (0 – 30 mm/1st hr)Urea, electrolytes and creatinine: normalCXR: patchy airspace shadows bilaterallyWhat is the most likely diagnosis?

      Your Answer:

      Correct Answer: Methotrexate pneumonitis

      Explanation:

      Pneumonitis is a serious and unpredictable side-effect of treatment with methotrexate (MTX) that may become life-threatening. The typical clinical symptoms include progressive shortness of breath and cough, often associated with fever. Hypoxaemia and tachypnoea are always present and crackles are frequently audible. Chest radiography reveals a diffuse interstitial or mixed interstitial and alveolar infiltrate, with a predilection for the lower lung fields. Pulmonary function tests show a restrictive pattern with diminished diffusion capacity. Lung biopsy reveals cellular interstitial infiltrates, granulomas or a diffuse alveolar damage pattern accompanied by perivascular inflammation. Most patients present in the first few months of starting methotrexate. It is important that all patients receiving methotrexate be educated concerning this potential adverse reaction and instructed to contact their physicians should significant new pulmonary symptoms develop while undergoing therapy. If methotrexate pneumonitis is suspected, methotrexate should be discontinued, supportive measures instituted and careful examination for different causes of respiratory distress conducted. This may be treated with corticosteroids once underlying infection has been excluded.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 10 - Which of the following statements is the most characteristic of primary Raynaud's phenomena?...

    Incorrect

    • Which of the following statements is the most characteristic of primary Raynaud's phenomena?

      Your Answer:

      Correct Answer: Fingers are symmetrically involved during an attack

      Explanation:

      A typical attack may last less than an hour but can also persist for longer. In primary Raynaud’s, attacks are more likely symmetric, episodic, and without evidence of peripheral vascular disease. Patients more commonly have a negative ANA and normal inflammatory markers. There should be no evidence of tissue gangrene, digital pitting, or tissue injury in primary Raynaud’s. In contrast, patients with secondary Raynaud’s will describe attacks that are more frequent, painful, often asymmetric and may lead to digital ulcerations.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 11 - A 35 year old sales representative presents with severe pain going down her...

    Incorrect

    • A 35 year old sales representative presents with severe pain going down her neck and right arm. She admits that this pain is worse on sitting and driving for long periods. Past history is significant for two previous road traffic accidents. Examination reveals weakness and sensory loss over C5/C6 nerve distribution. There is pain with neck movement and particularly extension. Which of the following investigations would be the most helpful in this case?

      Your Answer:

      Correct Answer: MRI scan of the cervical spinal cord

      Explanation:

      Cervical radiculopathy is usually due to compression or injury to a nerve root by a herniated disc or degenerative changes. Levels C5 to T1 are the most commonly affected. It is usually, but not always, accompanied by cervical radicular pain, a sharp and shooting pain that travels from the neck and down the upper limb and may be severe. This needs to be differentiated from pain referred from the musculoskeletal (somatic) structures in the neck, which may be aching rather than sharp, and is more severe in the neck than in the upper limb. The neurological signs of cervical radiculopathy depend on the site of the lesion. The patient may have motor dysfunction, sensory deficits or alteration in tendon reflexes. While pain is a common presenting symptom, not all radiculopathies are painful (i.e. only motor deficits may be obvious). CT scanning cannot accurately demonstrate the commonest cause for cervical radiculopathy (disc herniation) without myelography, which requires hospital admission, lumbar puncture and the use of contrast. In patients with cervical radiculopathy, MRI is the imaging technique of choice for the detection of root compression by disc herniation and osteophytes. MRI allows the nerve roots to be directly visualised. Nerve conduction studies are also useful in determining the nerve roots that are involved.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 12 - A 23 year old male patient presents with urethritis for the last 2...

    Incorrect

    • A 23 year old male patient presents with urethritis for the last 2 weeks that has not responded to antibiotics. Lately he has developed an onset of new range of symptoms that are linked to his HLA B27 positivity. Which of the following signs is not related to Reiter's syndrome?

      Your Answer:

      Correct Answer: A mild fever with a generalised macular rash

      Explanation:

      Reactive arthritis, (formerly known as Reiter’s syndrome), is an autoimmune condition that occurs after a bacterial infection of the gastrointestinal or urinary tract. It is categorized as a seronegative spondylarthritis because of its association with HLA-B27. Reactive arthritis primarily affects young men and usually presents with musculoskeletal or extra‑articular symptoms. The characteristic triad consists of arthritis, conjunctivitis, and urethritis. The diagnosis is based on clinical features such as patient history and physical examination; there are no specific tests for reactive arthritis. Treatment is primarily symptomatic and consists of the administration of NSAIDs, as most patients recover spontaneously. Dermatologic manifestations include skin lesions of the glans resembling psoriasis (balanitis circinata); hyperkeratinisation of the palms and soles (keratoderma blenorrhagicum)

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 13 - A 35 year old female, known case of anti phospholipid syndrome, arrives at...

    Incorrect

    • A 35 year old female, known case of anti phospholipid syndrome, arrives at the clinic due to a swollen and painful left leg. Doppler ultrasonography confirms the diagnosis of a deep vein thrombosis. She was previously diagnosed with DVT 4 months back and was on warfarin therapy (target INR 2-3) when it occurred. How should her anticoagulation be managed?

      Your Answer:

      Correct Answer: Life-long warfarin, increase target INR to 3 - 4

      Explanation:

      If the INR in the range of 2-3 has still resulted in thrombosis, the target INR is increased to 3-4. However, because the risk of bleeding increases as the INR rises, the INR is closely monitored and adjustments are made as needed to maintain the INR within the target range.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 14 - A 28 year old female presents to the rheumatology clinic for review. She...

    Incorrect

    • A 28 year old female presents to the rheumatology clinic for review. She has a history of adult onset Still's disease and complains of joint pains and persistent skin rash despite undergoing treatment with methotrexate and etanercept. On examination, an erythematous macular rash and active synovitis is noted. CRP is high (95 mg/dl). Which of the following interventions would be most appropriate?

      Your Answer:

      Correct Answer: Anakinra

      Explanation:

      Adult onset Still’s disease (AOSD) is an uncommon systemic inflammatory disease on the clinical spectrum of autoinflammatory disorders. Its presentation and clinical course may result in several well-differentiated phenotypes: from a systemic and highly symptomatic pattern to a chronic articular pattern. Overproduction of numerous pro-inflammatory cytokines is observed in AOSD. Anakinra, a human interleukin (IL)-1R antagonist, has recently been approved in the treatment of AOSD. Denosumab is a RANK ligand inhibitor used in the treatment of osteoporosis. Mepolizumab is used in the treatment of severe asthma with elevated eosinophils. There is some evidence to support the use of tocilizumab, an anti-IL6 monoclonal antibody in adult onset Still’s, but there is stronger data favouring the use of tocilizumab in the treatment of rheumatoid arthritis. Rituximab is usually reserved for patients who are unresponsive to anakinra.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 15 - A 42 year old male arrives at the clinic due to cough and...

    Incorrect

    • A 42 year old male arrives at the clinic due to cough and haemoptysis. Examination shows nasal mucosal ulceration. The doctor suspects Wegener's granulomatosis. Which anatomical area would be most commonly involved in this condition?

      Your Answer:

      Correct Answer: Lungs

      Explanation:

      Granulomatosis with polyangiitis (GPA, previously known as Wegener’s granulomatosis) is a systemic vasculitis that affects both small and medium-sized vessels. Patients typically initially suffer from a limited form that may consist of constitutional symptoms and localized manifestations such as chronic sinusitis, rhinitis, otitis media, ocular conditions. In later stages, more serious manifestations may arise, including pulmonary complications and glomerulonephritis, although the skin, eyes, and heart may also be involved but these lesions are less common. Diagnosis is based on laboratory testing (positive for PR3-ANCA/c-ANCA), imaging, and biopsy of affected organs, which demonstrate necrotizing granulomatous inflammation. GPA is treated with immunosuppressive drugs, typically consisting of glucocorticoids combined with methotrexate, cyclophosphamide, or rituximab. Relapses are common and the following systems are affected: Lower respiratory tract (95% of cases), renal involvement (80% of cases), skin lesions (45% of cases), ocular involvement (45% of cases) and cardiac involvement (33% of cases).

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 16 - Drug-induced lupus erythematosus most often occurs after taking which of the following drugs?...

    Incorrect

    • Drug-induced lupus erythematosus most often occurs after taking which of the following drugs?

      Your Answer:

      Correct Answer: Procainamide

      Explanation:

      Many drugs are responsible for causing drug induced lupus. However, it is most commonly associated with hydralazine, procainamide and quinidine.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 17 - A 28 year old man presents to the clinic with fatigue, exertional dyspnoea,...

    Incorrect

    • A 28 year old man presents to the clinic with fatigue, exertional dyspnoea, abdominal discomfort, xerophthalmia and xerostomia. Examination reveals enlargement of the parotid glands bilaterally, hepatomegaly and peripheral motor neuropathy. Lab results are negative for RF, ANA, SS-A and SS-B antibodies. What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Diffuse infiltrative lymphocytic syndrome (DILS)

      Explanation:

      The Diffuse Infiltrative Lymphocytosis Syndrome (DILS) is a rare multisystemic syndrome described in HIV-infected patients. It is characterised by CD8(+) T-cell lymphocytosis associated with a CD8(+) T-cell infiltration of multiple organs. DILS is usually seen in uncontrolled or untreated HIV infection but can also manifest itself independently of CD4(+) T-cell counts. The syndrome may present as a Sjögren-like disease that generally associates sicca signs with bilateral parotiditis, lymphadenopathy, and extra glandular organ involvement. The latter may affect the lungs, nervous system, liver, kidneys, and digestive tract. Anomalies of the respiratory system are often identified as lymphocytic interstitial pneumonia. Facial nerve palsy, aseptic meningitis or polyneuropathy are among the more frequent neurological features. Hepatic lymphocytic infiltration, lymphocytic interstitial nephropathy and digestive tract lymphocytic infiltration account for more rarely noted complications. Sicca syndrome, organomegaly and/or organ dysfunction associated with polyclonal CD8(+) T-cell organ-infiltration are greatly suggestive of DILS in people living with HIV.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 18 - A 20 year old male student presents to the clinic with swelling of...

    Incorrect

    • A 20 year old male student presents to the clinic with swelling of his face, hands and feet along with diffuse abdominal pain. He has a history of similar recurrent episodes since he was 10 years old, with each episode lasting 2-3 days. Examination reveals swelling on face, hands, feet but no sign of urticaria. Family history is significant for similar episodes in the mother who experienced these since childhood, and a brother who passed away following respiratory distress at age of 8 during one such episode. Which of the following tests would be the most helpful in reaching the diagnosis?

      Your Answer:

      Correct Answer: C1 esterase inhibitor

      Explanation:

      Hereditary C1 inhibitor deficiency leads to recurrent angioedema without urticaria or pruritus. Physical triggers include dental work, surgery or intubation. Medical triggers include angiotensin-converting enzyme (ACE) inhibitor, tamoxifen, oestrogen-containing medications (e.g., hormone replacement therapy and oral contraceptives). It is diagnosed on the basis of low levels of C1 esterase inhibitor or elevated levels of dysfunctional C1 esterase inhibitor. C4 levels are low between attacks. IgE levels, eosinophils, skin prick tests and RASTs are helpful in other allergic conditions and asthma but not of use in this case.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 19 - Psoriatic arthropathy most commonly presents with which of the following types of arthritis?...

    Incorrect

    • Psoriatic arthropathy most commonly presents with which of the following types of arthritis?

      Your Answer:

      Correct Answer: Peripheral asymmetric oligoarthropathy

      Explanation:

      Most patients with psoriatic arthritis present with monoarthritis or asymmetric oligoarthritis. The most common form of the disease is the one involving a few joints of the peripheral skeleton with a distinct asymmetry of symptoms. Involvement of the smaller joints of the hands and feet, especially distal interphalangeal joints, seems to be a characteristic feature. Arthritis mutilans is a rare and severe complication of psoriatic arthritis.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 20 - A 60 year old male presents with one month history of generalized headache,...

    Incorrect

    • A 60 year old male presents with one month history of generalized headache, fever and malaise. He also complains of scalp sensitivity while combing his hair. In order to confirm the diagnosis, which of the following would be the definite test?

      Your Answer:

      Correct Answer: Temporal artery biopsy

      Explanation:

      Temporal arteritis is a chronic large- and medium-sized vessel vasculitis that typically involves the temporal arteries. Classical symptoms include temporal headaches, jaw claudication, amaurosis fugax. Physical exam shows scalp tenderness, palpation of the temporal area may demonstrate an absent pulse, knot-like swelling, and vision loss. Lab results reveal an increased erythematous sedimentation rate and C-reactive protein. Temporal artery biopsy confirms the diagnosis. Management approach: high-dose systemic corticosteroids should be promptly administered even before the diagnosis is established. Temporal artery biopsy confirms the diagnosis. Inability to manage this or administer glucocorticoids might lead to development of blindness.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 21 - A 53 year old female, longstanding case of rheumatoid arthritis comes for a...

    Incorrect

    • A 53 year old female, longstanding case of rheumatoid arthritis comes for a review. Which of the following features are commonly associated with her condition?

      Your Answer:

      Correct Answer: Proximal interphalangeal joint involvement in the hands

      Explanation:

      Rheumatoid arthritis is a polyarthritis that results in symmetrical pain and swelling of the affected joints (also at rest). It particularly affects the metacarpophalangeal joints (MCPJs) and proximal interphalangeal joints (PIPJs), not the distal interphalangeal joints (DIPs). Ulcerative colitis and IBD are associated with seronegative arthritides, not RA. The condition can also cause various extra-articular manifestations such as ocular symptoms, rheumatoid nodules and pulmonary fibrosis. Scleritis, episcleritis and keratoconjunctivitis sicca are more common than uveitis. Early intervention with disease-modifying antirheumatic drugs (DMARDs) plays a decisive role in successful treatment.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
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  • Question 22 - An 82 year old man arrives at the clinic with painful right upper...

    Incorrect

    • An 82 year old man arrives at the clinic with painful right upper arm that he has been experiencing for the last few months. The pain is gradually worsening and often wakes him up at night. He is a known case of Paget's disease involving his lumbar spine and pelvis and is currently taking oral bisphosphonates. On examination, shoulder movements are intact. Which of the following is the most likely cause of his arm pain?

      Your Answer:

      Correct Answer: Osteosarcoma

      Explanation:

      Paget’s accelerates the remodelling process with old bone breaking down more quickly which disrupts the normal growth process. New bone development eventually adjusts to the faster pace and speeds up on its own. The pace is too fast for healthy bone growth, and the regrowth ends up softer and weaker than normal. The effect of this accelerated process causes bone pain, fractures, and deformities. Since osteosarcoma is a type of bone cancer linked to abnormal bone growth, this makes it a rare but possible complication of Paget’s disease although the chances of developing osteosarcoma are minimal. Fractures are painful and restrict movement whereas this patients pain is gradually developing. Pain associated with osteoarthritis is usually mild to moderate and worsens as the day progresses.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 23 - A 74 year old man presents with 12 kg weight loss and persistent...

    Incorrect

    • A 74 year old man presents with 12 kg weight loss and persistent back pain that is unrelated to activity for the past several months. Laboratory findings show :WCC: 6.7 x 109/l (5.4 neutrophils, 1.2 lymphocytes and 0.2 monocytes)Haemoglobin: 11.2 g/dlhaematocrit: 33.3%MCV: 88 flPlatelet count: 89 x 109/l.The biochemistry shows:sodium 144 mmol/lpotassium 4.5 mmol/lchloride 100 mmol/lbicarbonate 26 mmol/lurea 14 mmol/lcreatinine 90 μmol/la glucose of 5.4 mmol/l.A CT scan of the spine reveals scattered 0.4 to 1.2 cm bright lesions in the vertebral bodies.Which of the following additional laboratory test findings is he most likely to have?

      Your Answer:

      Correct Answer: Serum prostate specific antigen of 35 microgram/l

      Explanation:

      Old age, persistent backache, weight loss, and osteosclerotic lesions make prostatic adenocarcinoma the most likely diagnosis. The sequelae include severe pain, pathological fractures, hypercalcemia and cord compression. Prostatic adenocarcinoma is detected by elevated levels of prostate specific antigen. Positive serology for borrelia burgdorferi would hint at Lyme disease which does not cause osteosclerotic bone lesions, neither would Neisseria gonorrhoeae have such a presentation.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 24 - A 28 year old male arrives at the clinic complaining of fever, arthralgia...

    Incorrect

    • A 28 year old male arrives at the clinic complaining of fever, arthralgia and urethritis. On examination, the ankle is swollen and there is a pustular rash on the dorsal foot. What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Disseminated gonorrhoea

      Explanation:

      DGI presents as two syndromes: 1) a bacteremic form that includes a triad of tenosynovitis, dermatitis, and polyarthralgias without purulent arthritis and 2) a septic arthritis form characterized as a purulent arthritis without associated skin lesions. Many patients will have overlapping features of both syndromes. Time from infection to clinical manifestations may range from 1 day to 3 months. There is no travel history and the rash of Lyme disease is not purulent. Reactive arthritis presents with conjunctivitis, urethritis and arthritis usually with a red hot tender and swollen joint.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 25 - A 45 year old man presents with fever, malaise, weight loss and myalgias...

    Incorrect

    • A 45 year old man presents with fever, malaise, weight loss and myalgias that have been occurring for a month. You suspect polyarteritis nodosa and arrange for some lab investigations. Which of the following abnormality would most likely be present?

      Your Answer:

      Correct Answer: Elevated creatinine

      Explanation:

      People with polyarteritis nodosa often exhibit anaemia of chronic disease. Leucocytosis and eosinophilia may also be present. ANCA is only rarely positive. As polyarteritis nodosa affects the kidneys as well, the creatinine is elevated in most cases.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
      0
      Seconds
  • Question 26 - A 22 year old man is being evaluated for chronic lower backache. Which...

    Incorrect

    • A 22 year old man is being evaluated for chronic lower backache. Which of the following would most strongly point towards the diagnosis of ankylosing spondylitis?

      Your Answer:

      Correct Answer: Reduced lateral flexion of the lumbar spine

      Explanation:

      Ankylosing spondylitis (spondylarthritis) is a chronic inflammatory disease of the axial skeleton that leads to partial or even complete fusion and rigidity of the spine. Males are disproportionately affected and upwards of 90% of patients are positive for the HLA-B27 genotype, which predisposes to the disease. The most characteristic early finding is pain and stiffness in the neck and lower back, caused by inflammation of the vertebral column and the sacroiliac joints. The pain typically improves with activity and is especially prominent at night. Other articular findings include tenderness to percussion and displacement of the sacroiliac joints (Mennell’s sign), as well as limited spine mobility, which can progress to restrictive pulmonary disease. The most common extra-articular manifestation is acute, unilateral anterior uveitis. Diagnosis is primarily based on symptoms and x-ray of the sacroiliac joints, with HLA-B27 testing and MRI reserved for inconclusive cases. There is no curative treatment, but regular physiotherapy can slow progression of the disease. Additionally, NSAIDs and/or tumour necrosis factor-α inhibitors may improve symptoms. In severe cases, surgery may be considered to improve quality of life. The spine adopts a bamboo shape, not lordosis. The pain usually improves as the day progresses. leg raise test causes pain in cases of meningitis etc not in this case.

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      • Connective Tissue
      • Medicine
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  • Question 27 - A 24 year old man presents to the clinic complaining of lower limb...

    Incorrect

    • A 24 year old man presents to the clinic complaining of lower limb joint pain and lower backache for the past 2 weeks. He remembers getting a mild gastrointestinal infection while in Spain 6 weeks ago that settled spontaneously. There has been eye irritation that has now settled. Past surgical history includes an appendectomy 3 years back. Vital examination shows a temperature of 37.5 C. Lab results reveal a normal WBC and raised ESR. Which of the following is true?

      Your Answer:

      Correct Answer: Rheumatoid factor is likely to be negative

      Explanation:

      Reactive arthritis, (formerly known as Reiter’s syndrome), is an autoimmune condition that occurs after a bacterial infection of the gastrointestinal or urinary tract. It is categorized as a seronegative spondylarthritis because of its association with HLA-B27. Reactive arthritis primarily affects young men and usually presents with musculoskeletal or extra‑articular symptoms. The characteristic triad consists of arthritis, conjunctivitis, and urethritis. The diagnosis is based on clinical features such as patient history and physical examination; there are no specific tests for reactive arthritis. Treatment is primarily symptomatic and consists of the administration of NSAIDs, as most patients recover spontaneously. extraarticular dermatologic manifestations include skin lesions of the glans resembling psoriasis (balanitis circinata); hyperkeratinisation of the palms and soles (keratoderma blenorrhagicum), oral ulcers. There usually is no rash and the diagnosis is unrelated to the presence of rheumatoid factor. This is a clinical diagnosis.

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      • Connective Tissue
      • Medicine
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  • Question 28 - High titre of which of the following antibodies is not considered diagnostic for...

    Incorrect

    • High titre of which of the following antibodies is not considered diagnostic for the mentioned disease?

      Your Answer:

      Correct Answer: Rheumatoid factor in rheumatoid arthritis (RA)

      Explanation:

      Diagnosis of RA is mainly based on clinical features (e.g., morning stiffness, symmetrical joint swelling) and laboratory tests (e.g., anti-CCP). Rheumatoid factor is not very specific for this disease and hence has low reliability. X-ray findings (e.g., soft tissue swelling or joint space narrowing) occur late in the disease and are therefore not typically used for diagnosis.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
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  • Question 29 - A 62 year old man arrives at the clinic with a history of...

    Incorrect

    • A 62 year old man arrives at the clinic with a history of cough and intermittent haemoptysis for the last 3 months. He has a 50 pack year smoking history and is currently waiting for bronchoscopy to assess a left lower lobe collapse. The patient also has a marked muscle weakness and wasting of proximal muscles of his shoulders and pelvic girdle. His wife states that lately he has been unable to eat solids. Which of the following statements would be true regarding this scenario?

      Your Answer:

      Correct Answer: He may have a photosensitive facial rash

      Explanation:

      The patient has presented with signs of small cell lung cancer. The associated proximal muscle weakness is most probably due to dermatomyositis which occurs as a paraneoplastic syndrome associated with lung carcinoma. In most cases, the first symptom is a distinctive skin rash on the face, eyelids, chest, nail cuticle areas, knuckles, knees or elbows. The rash is patchy and usually a bluish-purple colour. Corticosteroids are helpful in the management of the cutaneous changes and muscle weakness.

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      • Connective Tissue
      • Medicine
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  • Question 30 - A 39 year old woman with a history of rheumatoid arthritis has recently...

    Incorrect

    • A 39 year old woman with a history of rheumatoid arthritis has recently been switched from methotrexate to leflunomide. Monitoring of full blood count and LFTs has been carried out. Which of the following parameters should also be monitored in this case?

      Your Answer:

      Correct Answer: Blood pressure

      Explanation:

      Blood pressure should be routinely measured as leflunomide may cause hypertension and thus an increase in BP. It doesn’t cause changes in blood sugar levels, peak expiratory flow rate or haematuria.

    • This question is part of the following fields:

      • Connective Tissue
      • Medicine
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