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Question 1
Incorrect
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The gluteus medius muscle:
Your Answer: Is completely covered by the gluteus maximus muscle
Correct Answer: Is supplied by the superior gluteal nerve
Explanation:The gluteus medius is situated on the outer surface of the pelvis. It arises from the outer surface of the ilium between the iliac crest and posterior gluteal line above and the anterior gluteal line below. The gluteus medius is supplied by the fourth and fifth lumbar and first sacral nerves through the superior gluteal nerve
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 2
Correct
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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.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 3
Incorrect
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A 16 year old girl fractured a bone in her left foot. Upon examination the clinician discovered that the fracture affected the insertion of the peroneus brevis muscle. Which of the following bones was most likely affected?
Your Answer: Calcaneus
Correct Answer: Base of the fifth metatarsal
Explanation:The peroneus brevis muscle originates from the lower two-thirds of the lateral body of the fibula and has inserts at the base of the fifth metatarsal. Fractures to this bone are common and can be due to infection, trauma, overuse and repetitive use.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 4
Incorrect
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A 25 year old male patient who had sustained a stab wound in the middle of the posterior aspect of the left thigh, was discharged from hospital after dressing and antibiotic prophylaxis. Later on the patient developed bleeding through the wound and upon review, the source was discovered to be an artery that is the direct source of the medial and lateral circumflex arteries. Which is this artery that was injured?
Your Answer:
Correct Answer: Profunda femoris artery
Explanation:The medial and lateral circumflex arteries are direct branches of the Profunda femoris artery otherwise also known as the deep artery of the thigh. The Profunda femoris artery arises from the femoral artery just below the inguinal ligament (approximately 2-5cm below it).
The following are the branches of the deep artery of the thigh:
Lateral circumflex femoral artery
Medial circumflex femoral artery
Perforating arteries
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 5
Incorrect
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What is the chief ligament preventing posterior sliding of the tibia on the femur ?
Your Answer:
Correct Answer: Posterior cruciate
Explanation:The posterior cruciate ligament is attached to the posterior intercondyloid fossa of the tibia and the lateral and front part of the medial condyle of the femur. It resists sliding of the tibia posteriorly.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 6
Incorrect
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Gastrocnemius, semimembranosus and semitendinosus together with which other muscle form the boundaries of the popliteal fossa?
Your Answer:
Correct Answer: Biceps femoris
Explanation:The popliteal fossa is located at the back of the knee. It is bounded laterally by the biceps femoris above and the plantaris and lateral head of the gastrocnemius below and medially by the semitendinosus and semimembranosus above and by the medial head of the gastrocnemius below.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 7
Incorrect
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A 40 year old patient with an history of obesity has been diagnosed with meralgia parasthetica. The condition was discovered to be caused by the pinching of the lateral femoral cutaneous nerve. Injuries at what spinal levels usually affect this nerve?
Your Answer:
Correct Answer: L2, L3
Explanation:The lateral femoral cutaneous nerve of the thigh arises from the dorsal division of the lumbar plexus of the second and the third lumbar nerves (L2 – L3). Spinal injuries at this level are likely to affect the lateral femoral cutaneous nerve. The lateral femoral cutaneous nerve innervates the skin on the lateral aspect of the thigh.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 8
Incorrect
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Which of these structures does NOT pass posterior to the medial malleolus?
Your Answer:
Correct Answer: Saphenous vein
Explanation:The saphenous vein passes anterior to the medial malleolus. The structures passing posterior, from nearest to furthest include: tibial, posterior tendon, flexor digitorum longus tendon, posterior tibial artery, posterior tibial vein, posterior tibial nerve and the flexor hallucis longus tendon.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 9
Incorrect
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Which is the correct order of tendons passing from medial to lateral-posterior to the medial malleolus?
Your Answer:
Correct Answer: Posterior tibial, flexor digitorum longus, flexor hallucis longus
Explanation:The correct order of structures is the tendon of tibialis posterior, tendon of flexor digitorum longus, posterior tibial artery (and vein), tibial nerve and tendon of flexor hallucis longus.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 10
Incorrect
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Which of the following statements regarding the femoral artery is CORRECT?
Your Answer:
Correct Answer: It has the femoral nerve lying lateral to it
Explanation:The femoral artery begins immediately behind the inguinal ligament, midway between the anterior superior spine of the ilium and the symphysis pubis. The first 4 cm of the vessel is enclosed, together with the femoral vein, in a fibrous sheath (the femoral sheath). The femoral nerve lies lateral to this.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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