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Question 1
Incorrect
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Which muscles are attached to the tibial tuberosity?
Your Answer: Pectineus
Correct Answer: Vastus intermedius
Explanation:The tuberosity of the tibia is the site of attachment to the ligamentum patella (the tendon of the quadriceps femoris muscle which include four heads: rectus femoris, vastus medialis, intermedius and lateralis).
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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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What is expected from complete transection of the inferior gluteal nerve when it emerges from the greater sciatic foramen?
Your Answer: Extension of the thigh would be the action most affected
Explanation:As the inferior gluteal nerve emerges from the greater sciatic foramen below the piriformis muscle, it divides into branches and enters the gluteus maximus muscle which extends the femur and bends the thigh in line with the body.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 3
Correct
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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: 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 patient who complained of pain on the lower left side of the back had an x-ray done which confirmed a hernia passing posterolaterally, just superior to the iliac crest. Where is this hernia passing through?
Your Answer: Greater sciatic foramen
Correct Answer: Lumbar triangle
Explanation:The lumber triangle is bound medially by the border of the latissimus dorsi, laterally by the external abdominal oblique and by the iliac crest inferiorly. This is exactly where the hernia that is described is located.
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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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Which is the correct order of tendons passing from medial to lateral-posterior to the medial malleolus?
Your Answer: Flexor hallucis longus, flexor digitorum longus, posterior tibial
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 6
Correct
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What is the nerve supply to the muscles of the lateral compartment of the leg ?
Your Answer: Superficial peroneal nerve
Explanation:The peroneus longus and peroneus brevis in the lateral compartment of the leg take nerve supply from the superficial peroneal nerve.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 7
Correct
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Gastrocnemius, semimembranosus and semitendinosus together with which other muscle form the boundaries of the popliteal fossa?
Your 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 8
Correct
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Regarding the long head of the biceps femoris, which of the following is correct?
Your 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.
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This question is part of the following fields:
- Anatomy
- Lower Limb
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Question 9
Correct
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What is the chief ligament preventing posterior sliding of the tibia on the femur ?
Your 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 10
Incorrect
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Due to a plantarflexion–inversion ankle sprain, which is the first ligament to rupture?
Your Answer:
Correct 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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