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  • Question 1 - A 40-year old woman with portal hypertension has impaired venous drainage of the...

    Incorrect

    • 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: External iliac vein

      Correct 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
      • Basic Sciences
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      Seconds
  • Question 2 - 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:

      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
      • Basic Sciences
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      Seconds
  • Question 3 - Which is the correct statement regarding gonadal venous drainage: ...

    Incorrect

    • Which is the correct statement regarding gonadal venous drainage:

      Your Answer:

      Correct Answer: The left ovarian vein drains into the left renal vein

      Explanation:

      Spermatic or testicular veins arise from the posterior aspect of the testis and receive tributaries from the epididymis. Upon uniting, they form the pampiniform plexus that makes up the greater mass of the spermatic cord. The vessels that make up this plexus rise up the spermatic cord in front of the ductus deferens. They then unite, below the superficial ring, to form three or four veins that traverse the inguinal canal and enter the abdomen through the deep inguinal ring. They further unite to form 2 veins that ascend up the psoas major muscle behind the peritoneum each lying on either side of the testicular artery. These further unite to form one vein that empties on the right side of the inferior vena cava at an acute angle and on the left side into the renal vein, at a right angle. The left testicular vein courses behind the iliac colon and is thus exposed to pressure from the contents of this part of the bowel. The ovarian vein is the equivalent of the testicular vein in women. They form a plexus in the broad ligament near the ovary and uterine tube and communicate with the uterine plexus. They drain into similar vessels as in a man.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 4 - A man was stabbed in the thigh following a bar brawl. A superficial...

    Incorrect

    • A man was stabbed in the thigh following a bar brawl. A superficial vein was injured which terminates in the femoral vein. This superficial vein is?

      Your Answer:

      Correct Answer: Great saphenous

      Explanation:

      The great saphenous vein is considered the longest vein in the body. It terminates in the femoral vein nearly 3cm below the inguinal ligament. It begins at the dorsum of the foot in the medial marginal vein and ascends at the medial side of the leg in relation with the saphenous nerve.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 5 - Which foramen contains the vertebral artery? ...

    Incorrect

    • Which foramen contains the vertebral artery?

      Your Answer:

      Correct Answer: Foramen magnum

      Explanation:

      The foramen magnum is found in the most inferior part of the posterior cranial fossa. It is traversed by vital structures including the medulla oblongata. Its contents include the following: medulla oblongata, meninges, spinal root of the accessory nerve, vertebral arteries, anterior and posterior spinal arteries, tectorial membrane and alar ligaments.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 6 - Regarding innervation to the peroneus brevis muscle: ...

    Incorrect

    • Regarding innervation to the peroneus brevis muscle:

      Your Answer:

      Correct Answer: Could be damaged by a fracture of the neck of the fibula

      Explanation:

      The peroneus brevis is supplied by the fourth and fifth lumbar and first sacral nerves through the superficial peroneal nerve which is one of the two terminal branches of the common peroneal nerve. The common peroneal nerve winds around the neck of the fibula and can be injured in cases of fractured neck of fibula.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 7 - A 45 years old women was diagnosed with breast cancer. After a radical...

    Incorrect

    • A 45 years old women was diagnosed with breast cancer. After a radical mastectomy to remove all axillary lymph nodes from her right breast, it was noticed that she had a winged scapula. Which nerve injury would explain this?

      Your Answer:

      Correct Answer: Long thoracic nerve

      Explanation:

      The long thoracic nerve supplies the serratus anterior muscle. When this nerve is injured the muscle undergoes paralysis, which is seen clinically as winging of the scapula most apparent when the arm is lifted forward. The long thoracic nerve is greatly susceptible to injury during breast surgery because of its long and superficial course along the thorax from its origin, the brachial plexus, to the lower border of the serratus anterior muscle.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 8 - The circle of Willis is one of the cerebrovascular safeguards comprised of the...

    Incorrect

    • The circle of Willis is one of the cerebrovascular safeguards comprised of the left and the right posterior communicating artery. Which of the following arteries in the brain is connected to the posterior cerebral artery by these posterior communicating arteries?

      Your Answer:

      Correct Answer: Internal carotid artery

      Explanation:

      The Circle of Willis is an anastomosis of cerebral arteries that are located at the base of the brain. The Circle of Willis is one of the important safeguards that ensure back up of blood supply to parts of the brain in case of any cerebrovascular accident. The Circle of Willis is made up of an anterior portion of arteries including; the anterior cerebral arteries. The anterior cerebral arteries are connected to the posterior portion of the circle of Willis by the anterior communicating artery. The posterior portion is made up of the posterior cerebral artery which branch off from the basilar artery. The posterior cerebral artery are connected to the anterior portion of the circle of Willis by the posterior communicating artery. The posterior communicating artery connects the posterior cerebral artery to the internal carotid artery. The circle of Willis receives blood supply from the left and right internal carotid arteries that continues as the middle cerebral artery and posteriorly from the two vertebral arteries that join to form the basilar artery.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 9 - Regarding the long head of the biceps femoris, which of the following is...

    Incorrect

    • Regarding the long head of the biceps femoris, which of the following is correct?

      Your Answer:

      Correct Answer: It crosses two joints

      Explanation:

      The long head of the biceps femoris arises from the lower and inner impression on the back of the tuberosity of the ischium. It inserts with the short head in an aponeurosis which becomes a tendon and this tendon is inserted into the lateral side of the head of the fibula and the lateral condyle of the tibia, thus crossing two joints.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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  • Question 10 - The tympanic membrane is a thin semi-transparent membrane that separates the tympanic cavity...

    Incorrect

    • The tympanic membrane is a thin semi-transparent membrane that separates the tympanic cavity from the bottom of the external acoustic meatus. The interior of the tympanic membrane is innervated by which of the following cranial nerves?

      Your Answer:

      Correct Answer: Glossopharyngeal

      Explanation:

      The glossopharyngeal nerve, known as the ninth cranial nerve (CN IX), is a mixed nerve that carries afferent sensory and efferent motor information. The glossopharyngeal nerve has five distinct general functions:
      – The branchial motor (special visceral efferent), supplies the stylopharyngeus muscle.
      – The visceral motor (general visceral efferent), provides parasympathetic innervation of the parotid gland via the otic ganglion.
      – The visceral sensory (general visceral afferent), carries visceral sensory information from the carotid sinus and carotid body.
      – The general sensory (general somatic afferent), provides general sensory information from the inner surface of the tympanic membrane, upper pharynx (GVA), and the posterior one-third of the tongue.
      – The visceral afferent (special visceral afferent), provides taste sensation from the posterior one-third of the tongue, including the circumvallate papillae.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
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