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  • Question 1 - What is formed when the ductus deferens unites with the duct of the...

    Correct

    • What is formed when the ductus deferens unites with the duct of the seminal vesicle?

      Your Answer: Ejaculatory duct

      Explanation:

      The deferens is a cylindrical structure​ with dense walls and an extremely small lumen It is joined at an acute angle by the duct of the seminal vesicles to form the ejaculatory duct, which traverses the prostate behind it’s middle lobe and opens into the prostatic portion of the urethra, close to the orifice of the prostatic utricle.

    • This question is part of the following fields:

      • Anatomy
      • Pelvis
      49.2
      Seconds
  • Question 2 - A 40-year old woman with portal hypertension has impaired venous drainage of the...

    Correct

    • A 40-year old woman with portal hypertension has impaired venous drainage of the anal canal above the pectinate line. Thus, there might be an increase in blood flow downward to the systemic venous system via anastomoses with the inferior rectal vein. This is a tributary of?

      Your Answer: Internal pudendal vein

      Explanation:

      The inferior rectal vein drains into the internal pudendal vein. In addition the external iliac vein is one of the two branches of the common iliac vein however the internal iliac vein and it’s tributaries (including the pudendal vein) are much more important in draining the pelvic structures.

    • This question is part of the following fields:

      • Anatomy
      • Pelvis
      41.7
      Seconds
  • Question 3 - The gastrosplenic ligament also known as the gastrolienal ligament is the structure that...

    Incorrect

    • The gastrosplenic ligament also known as the gastrolienal ligament is the structure that connects the greater curvature of the stomach to the hilum of the spleen. Which of the following arteries would most likely be injured if a surgeon accidentally tore this ligament?

      Your Answer: Splenic

      Correct Answer: Short gastric

      Explanation:

      The short gastric arteries arise from the end of the splenic arteries and form five to seven branches. The short gastric arteries inside the gastrosplenic ligament from the left to the right, supply the greater curvature of the stomach. The hepatic artery proper runs inside the hepatoduodenal ligament. The right gastric artery and the left gastric artery are contained in the hepatogastric ligament. The caudal pancreatic artery branches off from the splenic artery and supplies the tail of the pancreas. The middle colic artery supplies the transverse colon. The splenic artery does not travel in the gastrosplenic ligament and so it would not be damaged by a tear to this ligament.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      43.9
      Seconds
  • Question 4 - Which among the following vertebrae marks the lowest extent of the superior mediastinum?...

    Incorrect

    • Which among the following vertebrae marks the lowest extent of the superior mediastinum?

      Your Answer: Fifth thoracic

      Correct Answer: Fourth thoracic

      Explanation:

      The superior mediastinum lies between the manubrium anteriorly and the upper vertebrae of the thorax posteriorly. Below, it is bound by a slightly oblique plane that passes backward from the sternal angle to the lower part of the body of T4 and laterally by the pleura.

    • This question is part of the following fields:

      • Anatomy
      • Thorax
      22.8
      Seconds
  • Question 5 - What is the action of the muscle of the orbit that originates on...

    Incorrect

    • What is the action of the muscle of the orbit that originates on the lesser wing of the sphenoid bone, just above the optic foramen?

      Your Answer: Temporal rotation of the eyeball

      Correct Answer: Elevation of the upper eyelid

      Explanation:

      The levator palpebrae superioris is the muscle in the orbit that elevates the superior (upper) eyelid. The levator palpebrae superioris originates on the lesser wing of the sphenoid bone, just above the optic foramen and receives somatic motor input from the ipsilateral superior division of the oculomotor nerve.

    • This question is part of the following fields:

      • Anatomy
      • Head & Neck
      87.3
      Seconds
  • Question 6 - Which statement is true about the inferior sagittal sinus? ...

    Incorrect

    • Which statement is true about the inferior sagittal sinus?

      Your Answer: Is found in the falx cerebelli

      Correct Answer: Is formed between two layers of meningeal dura

      Explanation:

      The inferior sagittal sinus is also known as the inferior longitudinal sinus. It courses along the inferior border of the falx cerebri, superior to the corpus callosum. It is cylindrical in shape and increases in size as it passes backward ending in the straight sinus. It receives blood from the deep and medial aspects of the cerebral hemispheres and drains into the straight sinus.

    • This question is part of the following fields:

      • Anatomy
      • Head & Neck
      34.5
      Seconds
  • Question 7 - Injury to which of the following arteries is likely to affect the blood...

    Incorrect

    • Injury to which of the following arteries is likely to affect the blood supply to the seminal vesicles?

      Your Answer: Inferior rectal

      Correct Answer: Middle rectal

      Explanation:

      Ligation of middle rectal artery is most likely to affect the blood supply of seminal vesicles since arteries supplying the seminal vesicles are derived from the middle and inferior vesical and middle rectal arteries.

    • This question is part of the following fields:

      • Anatomy
      • Pelvis
      30.2
      Seconds
  • Question 8 - Where does the ejaculatory duct open into? ...

    Correct

    • Where does the ejaculatory duct open into?

      Your Answer: Prostatic urethra

      Explanation:

      There are two ejaculatory ducts, one on either side of the midline. Each ejaculatory duct is formed by the union of the duct from the seminal vesicles with the ductus deferens. They start at the base of the prostate and run forward and downward between the middle and lateral lobes and along the side of the prostatic utricle to end in the prostatic urethra.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      11.2
      Seconds
  • Question 9 - During an exploratory laparotomy a herniation of bowel is identified between the lateral...

    Correct

    • During an exploratory laparotomy a herniation of bowel is identified between the lateral edge of the rectus abdominis, the inguinal ligament and the inferior epigastric vessels. These boundaries define the hernia as being a:

      Your Answer: Direct inguinal hernia

      Explanation:

      The boundaries given define the inguinal triangle which is the site for direct inguinal hernias. Indirect inguinal hernias occur lateral to the inferior epigastric vessels.

      Femoral hernias protrude through the femoral ring, into the femoral canal.

      Umbilical hernias protrude through a defect in the umbilical area.

      Obturator hernias, occur through the obturator foramen. These are very rare.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      17.6
      Seconds
  • Question 10 - During hysterectomy, the ureter is most likely to be ligated when a surgeon...

    Incorrect

    • During hysterectomy, the ureter is most likely to be ligated when a surgeon is clamping the?

      Your Answer: Ovarian ligaments

      Correct Answer: Uterine arteries

      Explanation:

      The ureter forms the posterior boundary of a shallow depression which lodges the ovary and then runs medially and forward on the lateral aspect of the uterine cervix and upper part of the vagina to reach the fundus of the bladder. It is also situated about 2cm from the side of the cervix of the uterus. The relationship of the ureters and uterine arteries is of clinical significance because the arteries are at risk of iatrogenic injury during hysterectomy.

    • This question is part of the following fields:

      • Anatomy
      • Pelvis
      21.2
      Seconds
  • Question 11 - A young man in a motor vehicle accident sustained a spinal injury at...

    Incorrect

    • A young man in a motor vehicle accident sustained a spinal injury at C8 level. What would likely be seen in this patient?

      Your Answer: The muscles innervated by the radial nerve that would most likely be affected would be the most proximal ones

      Correct Answer: The hypothenar muscles would be completely paralysed

      Explanation:

      The eighth cervical nerve is one of the contributors of the ulnar nerve. The ulnar nerve supplies the hypothenar muscles which include the opponens digiti minimi, abductor digiti minimi, flexor digiti minimi brevis, and palmaris brevis.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      73.1
      Seconds
  • Question 12 - Which of these structures is most likely to be damaged if a patient...

    Correct

    • Which of these structures is most likely to be damaged if a patient loses consciousness days or weeks after an otherwise insignificant head trauma, especially in elderly patients?

      Your Answer: Dural bridging vein

      Explanation:

      A subdural haematoma is a type of hematoma, usually associated with traumatic brain injury, in which blood collects between the dura mater and the pia-arachnoid mater. Symptoms of subdural haemorrhage have a slower onset than those of epidural haemorrhages because the lower pressure veins bleed more slowly than arteries. These injuries are more common in elderly patients, especially those taking antiplatelet or anticoagulant drugs. Oedema and increased intracranial pressure are unusual.

    • This question is part of the following fields:

      • Neurology
      • Pathology
      25.7
      Seconds
  • Question 13 - Blood supply to the posterior compartment of the thigh is supplied by which...

    Incorrect

    • Blood supply to the posterior compartment of the thigh is supplied by which artery?

      Your Answer: Peroneal

      Correct Answer: Perforating

      Explanation:

      There are usually 3 perforating arteries:

      The first gives branches to the adductor brevis and magnus, biceps femoris and gluteus maximus and anastomoses with the inferior gluteal, medial and lateral femoral circumflex.

      The second artery supplies the posterior femoral muscles and anastomose with the first and third perforating vessels.

      The third supplies the posterior femoral muscles.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      18.5
      Seconds
  • Question 14 - A patients sciatic nerve has been severed following a stab injury. What would...

    Incorrect

    • A patients sciatic nerve has been severed following a stab injury. What would be affected?

      Your Answer: The muscles in the anterior compartment of the leg would still be functional

      Correct Answer: There would still be cutaneous sensation over the anteromedial surface of the thigh

      Explanation:

      The sciatic nerve supplies nearly all of the sensation of the skin of the leg and the muscles of the back of the thigh, leg and foot. A transection of the sciatic nerve at its exit from the pelvis will affect all the above-mentioned functions except cutaneous sensation over the anteromedial surface of the thigh, which comes from the femoral nerve.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      42.2
      Seconds
  • Question 15 - A lady presents to the out patient clinic with a painful boil on...

    Incorrect

    • A lady presents to the out patient clinic with a painful boil on the skin of her mons pubis. Which nerve supplies the skin of the mons pubis?

      Your Answer: Iliohypogastric

      Correct Answer: Anterior labial

      Explanation:

      Anterior labial branch is the terminal branch of the ilioinguinal nerve that innervates the skin of the mons pubis in women and the skin of the anterior scrotum in men.

      The femoral branch of genitofemoral nerve innervates the upper medial thigh.

      The iliohypogastric innervates muscles of the abdominal wall.

      The subcostal nerve innervates muscles of the abdominal wall and the skin of the lower abdominal wall.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      77.5
      Seconds
  • Question 16 - Whipple's procedure involves mobilizing the head of the pancreas. As the surgeon does...

    Correct

    • Whipple's procedure involves mobilizing the head of the pancreas. As the surgeon does this, he must be careful to avoid injury to a key structure that is found lying behind the head of the pancreas. Which vital structure is this?

      Your Answer: Common bile duct

      Explanation:

      The posterior relations of the head of the pancreas include: the inferior vena cava, the common bile duct, the renal veins, the right crus of the diaphragm and the aorta.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      34.6
      Seconds
  • Question 17 - A 55-year old patient with signs and symptoms of internal haemorrhage was brought...

    Correct

    • A 55-year old patient with signs and symptoms of internal haemorrhage was brought in for emergency surgery to control the bleeding. Angiography results revealed an advanced duodenal tumour that had perforated the blood vessel immediately behind the first part of the duodenum. Which of the following is the most likely blood vessel that was ruptured by the cancer?

      Your Answer: Gastroduodenal artery

      Explanation:

      The gastroduodenal artery is the artery that lies just behind the first portion of the duodenum. The gastroduodenal artery would be the most likely artery to be perforated by a cancer in this area. The perforation is as a result of the spillage of the acidic content of the chyme in the duodenum. All the other blood vessels in the list would less likely be affected by the gastric expellant from the duodenum. The coronary vein is located in the lesser curvature of the stomach. The inferior pancreaticoduodenal arcade is located inferiorly to the first part of the duodenum on the head of the pancreas. The hepatic artery proper is a branch of the common hepatic artery that is located superior to the first portion of the duodenum. The splenic vein arises from the spleen; it forms the portal vein by joining the superior mesenteric vein. It is laterally detached from the duodenum. Both the left gastric vein and the splenic vein are located superior to the first portion of the duodenum.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      50.9
      Seconds
  • Question 18 - During an appendicectomy in a 16 year old girl, the registrar initially did...

    Incorrect

    • During an appendicectomy in a 16 year old girl, the registrar initially did not find the appendix on entering the peritoneal cavity. She, however, remained calm as she knew she could find it by:

      Your Answer: Palpating the ileocaecal valve and looking just above it

      Correct Answer: Looking at the confluence of the taenia coli

      Explanation:

      The vermiform appendix arises from the apex of the caecum. Although it has a constant base, it can pass in one of several directions such as upward behind the caecum, to the left behind the ileum and mesentery or downward into the lesser pelvis. It is retained in place by a peritoneal fold, the mesoenteriole derived from the left leaf of the mesentery. Taenia coli meet at the appendix which is the terminal portion of the caecum. The appendix is below the ileocecal valve, not above. It is not near the right colic artery (which supplies the ascending colon). It would not be found by removing a layer of the jejuno-ileum and is not in the pelvic brim.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      30.5
      Seconds
  • Question 19 - Which of the following muscles is innervated by the inferior branch of the...

    Incorrect

    • Which of the following muscles is innervated by the inferior branch of the right recurrent laryngeal nerve?

      Your Answer: Cricothyroid

      Correct Answer: Posterior cricoarytenoid

      Explanation:

      The posterior cricoarytenoid muscle, which is the sole abductor of the vocal folds, receives its innervation from the inferior laryngeal nerve which is a continuation of the recurrent laryngeal nerve.

    • This question is part of the following fields:

      • Anatomy
      • Head & Neck
      35.2
      Seconds
  • Question 20 - A 45 year old lady has been diagnosed with Friedreich's ataxia that has...

    Correct

    • A 45 year old lady has been diagnosed with Friedreich's ataxia that has affected her medial group of nuclei in the anterior horn of the spinal cord. Which of the following structures will have their muscles affected?

      Your Answer: Axial muscles

      Explanation:

      The cells in the anterior horn can be arranged in the following three main groups: medial, lateral and central. The medial group of nuclei in the anterior horn of the spinal cord are located along the entire length of the spinal cord and are responsible for the innervation of the axial muscles of the body ( muscles of the head and neck region). Thus this disease will most likely affect the functioning of the muscles of the head and neck.

    • This question is part of the following fields:

      • Anatomy
      • Neurology
      37.5
      Seconds
  • Question 21 - A victim of mob justice was brought to the A & E with...

    Incorrect

    • A victim of mob justice was brought to the A & E with a stab wound in the anterior chest 2 cm lateral to the left sternal border. He underwent an emergency thoracotomy that revealed clots in the pericardium, with a puncture wound in the right ventricle. To evacuate the clots from the pericardial cavity the surgeon slipped his hand behind the heart at its apex. He extended his finger upwards until its tip was stopped by a line of pericardial reflection which forms the:

      Your Answer: Sulcus terminalis

      Correct Answer: Oblique pericardial sinus

      Explanation:

      Transverse sinus: part of pericardial cavity that is behind the aorta and pulmonary trunk and in front of the superior vena cava separating the outflow vessels from the inflow vessels.

      Oblique pericardial sinus: is behind the left atrium where the visceral pericardium reflects onto the pulmonary veins and the inferior vena cava. Sliding a finger under the heart will take you to this space.

      Cardiac notch: indentation of the ‘of the heart’ on the superior lobe of the left lung.

      Hilar reflection: the reflection of the pleura onto the root of the lung to continue as mediastinal pleura.

      Costomediastinal recess: part of the pleural sac where the costal pleura transitions to become the mediastinal pleura.

      Sulcus terminalis: a groove between the right atrium and the vena cava

    • This question is part of the following fields:

      • Anatomy
      • Thorax
      67.6
      Seconds
  • Question 22 - A patient with a long standing lower motor neuron lesion will have: ...

    Incorrect

    • A patient with a long standing lower motor neuron lesion will have:

      Your Answer: Hyper-reflexia

      Correct Answer: Muscle wasting

      Explanation:

      Lower motor neurons (LMNs) connect the brainstem and spinal cord to muscle fibres. Damage to lower motor neurons is indicated by abnormal electromyographic potentials, fasciculations, paralysis, weakening and wasting of skeletal muscles.

    • This question is part of the following fields:

      • Neurology
      • Physiology
      24.1
      Seconds
  • Question 23 - A young girl injured her arm following a fall down the steps On...

    Correct

    • A young girl injured her arm following a fall down the steps On examination, it was found that her left proximal radioulnar joint had dislocated and the annular ligament was stretched. This will make which movement extremely painful?

      Your Answer: Supination

      Explanation:

      Supination is the rotation of the forearm so that the palm of the hand faces anteriorly. This is performed by the biceps brachii and supinator of the extensor muscles of the thumb. The opposite action of moving the palm from an anterior-facing position to a posterior-facing position is called pronation. Pronation is performed by the pronator teres and pronator quadratus.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      49.5
      Seconds
  • Question 24 - A patient gives a history of dull discomfort in her abdomen associated with...

    Correct

    • A patient gives a history of dull discomfort in her abdomen associated with pain that she points to be on her right shoulder and right scapula. The following organs are most likely to be source of her pain:

      Your Answer: Liver, duodenum and gallbladder

      Explanation:

      Referred pain is felt at a point away from the source of the pain or the unpleasant sensation. It arises when a nerve is damaged or compressed at a point but the pain is felt at another site that is the territory of that nerve. Common abdominal causes of referred pain to the shoulder and the shoulder blade are the liver, duodenum and gall bladder.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      52.9
      Seconds
  • Question 25 - During clinic, a medical student conducts a physical examination on a teenage boy...

    Incorrect

    • During clinic, a medical student conducts a physical examination on a teenage boy with a lump in the inguinal region. The lump is protruding from the superficial inguinal ring. The student correctly concluded that it was:

      Your Answer: Definitely a direct inguinal hernia

      Correct Answer: Either a direct or an indirect inguinal hernia

      Explanation:

      It is not possible to tell if an inguinal hernia is direct or indirect just by palpating it. Despite the fact that indirect inguinal hernias commonly come out of the superficial inguinal ring to enter the scrotum, direct inguinal hernia might still do this.

      Femoral hernia goes through the femoral ring into the femoral canal (has nothing to do with the superficial inguinal ring).

      Superficial inguinal lymph nodes lie in the superficial fascia parallel to the inguinal ligament; it would therefore feel more superficial and would not be mistaken for a hernia protruding through the inguinal ring.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      33.6
      Seconds
  • Question 26 - A patient who following 20 years of working in the asbestos industry develops...

    Incorrect

    • A patient who following 20 years of working in the asbestos industry develops malignant mesothelioma and is scheduled for pleuropneumonectomy to remove the entire pleura and lung on the affected side. Which layer would provide a natural cleavage plane for surgical separation of the costal pleura from the thoracic wall?

      Your Answer: Parietal pleura

      Correct Answer: Endothoracic fascia

      Explanation:

      The endothoracic fascia is connective tissue that is between the costal parietal pleura and the inner aspect of the chest wall. Removing this layer of connective tissue would make it easy to separate the costal pleura from the thoracic wall.

      Deep fascia: is not found around the lungs. It is a layer of connective tissue that invests a muscle or a group of muscles.

      Parietal pleura: part of the pleura that lines the inner surface of the chest/thoracic cavity.

      Visceral pleura: is the serous membrane that lines the surface of the lungs.

      Transversus thoracis muscle fascia is associated only with the muscle transversus thoracis.

      Peritracheal fascia: a layer of connective tissue that invests the trachea. It is not associated with the thoracic wall or the costal pleura.

    • This question is part of the following fields:

      • Anatomy
      • Thorax
      44.9
      Seconds
  • Question 27 - Which of the following will be affected by a lesion in the posterior...

    Correct

    • Which of the following will be affected by a lesion in the posterior column-medial lemniscus system?

      Your Answer: Fine touch

      Explanation:

      The posterior column–medial lemniscus (PCML) pathway is a sensory pathway that transmits fine touch and conscious proprioceptive information from the body to the brain. As the posterior columns are also known as dorsal columns, the pathway is also called the dorsal column–medial lemniscus system or DCML.

    • This question is part of the following fields:

      • Neurology
      • Physiology
      22.6
      Seconds
  • Question 28 - Due to a plantarflexion–inversion ankle sprain, which is the first ligament to rupture?...

    Correct

    • Due to a plantarflexion–inversion ankle sprain, which is the first ligament to rupture?

      Your Answer: Anterior talofibular ligament

      Explanation:

      The anterior talofibular ligament passes from the anterior margin of the fibular malleolus. It is the most commonly injured ligament, as part of the lateral ligament of the ankle.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      298.2
      Seconds
  • Question 29 - A lesion involving the lateral geniculate nucleus of the thalamus is likely to...

    Incorrect

    • A lesion involving the lateral geniculate nucleus of the thalamus is likely to affect:

      Your Answer: Smell

      Correct Answer: Vision

      Explanation:

      The lateral geniculate nucleus (LGN) of the thalamus is the primary processor of visual information in the central nervous system. The LGN receives information directly from the retina and sends projections directly to the primary visual cortex. The LGN likely helps the visual system focus its attention on the most important information.

    • This question is part of the following fields:

      • Neurology
      • Physiology
      27.7
      Seconds
  • Question 30 - To reach the oral vestibule, the parotid duct must pierce this muscle: ...

    Correct

    • To reach the oral vestibule, the parotid duct must pierce this muscle:

      Your Answer: Buccinator muscle

      Explanation:

      The parotid duct or Stensen duct is a duct and the route that saliva takes from the major salivary gland, the parotid gland into the mouth. The parotid duct is formed when several interlobular ducts—the largest ducts inside the parotid gland join. It emerges from the gland and runs forward along the lateral side of the masseter muscle. In this course, the duct is surrounded by the buccal fat pad. It takes a steep turn at the border of the masseter and passes through the buccinator muscle, opening into the vestibule of the mouth, between the cheek and the gums, at the parotid papilla, which lies across the second superior molar tooth.

    • This question is part of the following fields:

      • Anatomy
      • Head & Neck
      23.5
      Seconds
  • Question 31 - Following a fracture in the fibula, an artery contained in a fibrous canal...

    Incorrect

    • Following a fracture in the fibula, an artery contained in a fibrous canal between tibialis posterior and flexor hallucis longus was lacerated. Which of the following arteries was injured?

      Your Answer: Anterior tibial

      Correct Answer: Peroneal

      Explanation:

      The peroneal artery is deeply seated at the back of the fibular side of the leg, contained in a fibrous canal between the tibialis posterior and the flexor hallucis longus.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      34.8
      Seconds
  • Question 32 - After a car accident, a 30-year-old woman is alert and only has minor,...

    Incorrect

    • After a car accident, a 30-year-old woman is alert and only has minor, superficial injuries. 2 hours later, she becomes unconscious and a CT scan reveals a convex, lens-shaped haemorrhage over the right parietal region. The most likely diagnosis is:

      Your Answer: Subdural haematoma

      Correct Answer: Epidural haematoma

      Explanation:

      Epidural haematomas are usually caused by arterial bleeding, classically due to damage to the middle meningeal artery by a temporal bone fracture. Symptoms develop within minutes to several hours after the injury and consist of increasing headache, decreased level of consciousness, hemiparesis and pupillary dilation with loss of light reactivity. Around 15–20% of epidural hematomas are fatal.

    • This question is part of the following fields:

      • Neurology
      • Pathology
      36.7
      Seconds
  • Question 33 - Where is the mental foramen located? ...

    Incorrect

    • Where is the mental foramen located?

      Your Answer: In the infratemporal fossa

      Correct Answer: In the mandible

      Explanation:

      The mental foramen is found bilaterally on the anterior surface of the mandible adjacent to the second premolar tooth. The mental nerve and terminal branches of the inferior alveolar nerve and mental artery leave the mandibular canal through it.

    • This question is part of the following fields:

      • Anatomy
      • Head & Neck
      14.9
      Seconds
  • Question 34 - What forms the pelvic diaphragm? ...

    Incorrect

    • What forms the pelvic diaphragm?

      Your Answer: Levator ani and piriformis muscles

      Correct Answer: Levator ani and coccygeus muscles

      Explanation:

      The pelvic diaphragm is formed by the levator ani and the coccygeus muscles. The levator ani forms the greater part of the pelvic floor supporting the viscera in the pelvic cavity.

    • This question is part of the following fields:

      • Anatomy
      • Pelvis
      18.1
      Seconds
  • Question 35 - The superior rectal artery is a continuation of the: ...

    Incorrect

    • The superior rectal artery is a continuation of the:

      Your Answer: Superior mesenteric artery

      Correct Answer: Inferior mesenteric artery

      Explanation:

      The superior rectal artery or superior haemorrhoidal artery is the continuation of the inferior mesenteric artery. It descends into the pelvis between the layers of the mesentery of the sigmoid colon, crossing the left common iliac artery and vein.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      10.5
      Seconds
  • Question 36 - An episiotomy is indicated for a woman during a difficult vaginal delivery. Whilst...

    Correct

    • An episiotomy is indicated for a woman during a difficult vaginal delivery. Whilst the registrar was performing this procedure she made a median cut too far through the perineal body cutting the structure immediately posterior. Which structure is this?

      Your Answer: External anal sphincter

      Explanation:

      An episiotomy is an incision that is made whenever there is a risk of a tear during vaginal deliver. A posterolateral incision, as opposed to a median incision is preferred. Of the options given, the external anal sphincter lies right posterior to the perineal body. The sacrospinous and the sacrotuberous ligaments are deep in the perineum that they should not be involved in this.

    • This question is part of the following fields:

      • Anatomy
      • Pelvis
      19.2
      Seconds
  • Question 37 - The collaborative effort of the lateral pterygoid muscles produces which action on the...

    Incorrect

    • The collaborative effort of the lateral pterygoid muscles produces which action on the jaw?

      Your Answer: Retract the mandible

      Correct Answer: Protrude the mandible

      Explanation:

      The combined effort of the lateral pterygoid muscles results in the protrusion of the mandible. The lateral pterygoid muscle is a muscle of mastication located superiorly to the medial pterygoid muscle and has two heads. The superior head originates on the infratemporal surface and infratemporal crest of the greater wing of the sphenoid bone, and the inferior head on the lateral surface of the lateral pterygoid plate. The insertion of this muscle is on the front margin of the articular disc of the temporomandibular joint. The unilateral contraction of the pterygoid muscle results in the laterotrusion of the mandible. It is important to note that the lateral pterygoid muscle is the only muscle of mastication that can open the jaw.

    • This question is part of the following fields:

      • Anatomy
      • Head & Neck
      16.3
      Seconds
  • Question 38 - During an exploratory laparotomy in a 22 year-old man shot in the abdomen,...

    Incorrect

    • During an exploratory laparotomy in a 22 year-old man shot in the abdomen, the operating doctor discovers the large bowel is perforated. Which of the following characteristics of the bowel enabled the surgeon to identify it as the large bowel?

      Your Answer: Circular folds

      Correct Answer: Epiploic appendages

      Explanation:

      The large intestine doesn’t have a continuous layer of longitudinal muscle. Instead, it has three strips of longitudinal muscle called taenia coli. The large intestine is covered with omental appendages that are fat filled. It is also folded into sacculations called haustrations. Serosa is a general term for the outermost coat or serous layer of a visceral structure that lies in the body cavities of the abdomen or thorax.

      Complete circular folds are only found in the small intestine.

      Valvulae conniventes or valves of Kerckring are the circular folds which are large valvular flaps projecting into the lumen of the small bowel.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      38.8
      Seconds
  • Question 39 - Below which level of the spinal cord will the inferior gluteal nerve be...

    Incorrect

    • Below which level of the spinal cord will the inferior gluteal nerve be unaffected?

      Your Answer: L4

      Correct Answer: S3

      Explanation:

      The inferior gluteal nerve arises from the dorsal divisions of the fifth lumbar and first and second sacral nerves. According to this fact any lesion at or below the S3 will not affect the inferior gluteal nerve.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      16.3
      Seconds
  • Question 40 - The operating surgeon notices a structure lying alongside a herniated mass whilst repairing...

    Incorrect

    • The operating surgeon notices a structure lying alongside a herniated mass whilst repairing an indirect inguinal hernia in a female patient. Which structure could this be?

      Your Answer: Inferior epigastric artery

      Correct Answer: Round ligament of the uterus

      Explanation:

      The main structure traversing the inguinal canal in women is the round ligament. In men, it is the spermatic cord.

      The iliohypogastric nerve innervates the abdominal wall and runs between the transversus abdominis and internal oblique muscles before piercing the internal oblique at the anterior superior iliac spine to run between the internal and external obliques.

      The inferior epigastric artery is between the peritoneum and the transversus abdominis creating the lateral umbilical fold.

      The ovarian artery and the ovarian vein are branches from the descending aorta and inferior vena cava that supply the ovary in the pelvic cavity.

      The pectineal ligament is a thick fascial layer over the pectineal line of the pubis. It doesn’t traverse the canal.

      The broad ligament if found on the lateral sides of the uterus.

    • This question is part of the following fields:

      • Abdomen
      • Anatomy
      40.9
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Anatomy (12/35) 34%
Pelvis (3/6) 50%
Abdomen (5/12) 42%
Thorax (0/3) 0%
Head & Neck (1/6) 17%
Upper Limb (1/2) 50%
Neurology (3/6) 50%
Pathology (1/2) 50%
Lower Limb (1/5) 20%
Physiology (1/3) 33%
Passmed