lower limb anatomy questions PDF

Preview

Summary

some source of a lower limb answered MSCs question for basic medical students...

Description

MCQs of Lower Limb 1. Which of the following nerves innervates at least one muscle that acts on both the hip and knee joints? (a) Ilioinguinal nerve (b) Femoral nerve √ (c) Saphenous nerve (d) Common peroneal nerve (e) Superficial peroneal nerve 2. In walking, the hip bone of the suspended leg is raised by which of the following muscles acting on the supported side of the body? (a) Gluteus maximus (b) Obturator internus (c) Gluteus medius √ (d) Obturator externus (e) Quadratus femoris 3. Which of the following muscles is a flexor of the thigh? (a) Superior gemellus (b) Adductor longus (c) Gracilis (d) Psoas √ (e) Obturator internus 4. Which of the following muscles dorsiflexes the foot at the ankle joint? (a) Peroneus longus (b) Extensor digitorum brevis (c) Tibialis posterior (d) Extensor hallucis brevis (e) Tibialis anterior √ 5. A femoral hernia descends through the femoral canal, and the neck of the sac lies (a) below and lateral to the pubic tubercle. √ (b) above and medial to the pubic tubercle. (c) at the saphenous opening. (d) in the obturator canal. (e) lateral to the iliacus muscle. 6. The peroneal artery is a branch of the (a) anterior tibial artery. (b) popliteal artery. (c) posterior tibial artery. √ (d) arcuate artery. (e) lateral plantar artery. 7. Unlocking of the knee joint to permit flexion is caused by the action of the (a) vastus medialis muscle. (b) articularis genu muscle. (c) gastrocnemius muscle. (d) biceps femoris muscle. (e) popliteus muscle. √

8. In the adult, the chief arterial supply to the head of the femur is from the (a) superior circumflex iliac artery. (b) obturator artery. (c) branches from the medial and lateral circumflex femoral arteries. √ (d) deep external pudendal artery. (e) inferior gluteal artery. 9. The lymph drainage of the skin covering the ball of the big toe is into the (a) vertical group of superficial inguinal nodes. √ (b) popliteal nodes. (c) horizontal group of superficial inguinal nodes. (d) axillary nodes. (e) internal iliac nodes. 10. The lymph drainage of the skin covering the medial side of the knee joint is into the (a) popliteal nodes. (b) internal iliac nodes. (c) vertical group of superficial inguinal nodes. √ (d) horizontal group of superficial inguinal nodes. (e) obturator nodes. 11. The lymph drainage of the skin of the buttock is into the (a) axillary nodes. (b) superior gluteal nodes. (c) vertical group of superficial inguinal nodes. (d) horizontal group of superficial inguinal nodes. √ (e) internal iliac nodes. 12. The lymph drainage of the skin of the calf is into the (a) vertical group of superficial inguinal nodes. (b) internal iliac nodes. (c) horizontal group of superficial inguinal nodes. (d) popliteal nodes. √ (e) obturator nodes. 13. Hyperextension of the hip joint is prevented by the (a) obturator internus tendon. (b) ischiofemoral ligament. √ (c) tensor fascia latae muscle. (d) iliotibial tract. (e) ligamentum teres. 14. The ________ prevents dislocation of the femur backward at the knee joint. (a) posterior cruciate ligament (b) anterior cruciate ligament √ (c) medial collateral ligament (d) lateral collateral ligament (e) tendon of the popliteus muscle 15. The ________ prevents abduction of the tibia at the knee joint. (a) posterior cruciate ligament (b) anterior cruciate ligament (c) lateral collateral ligament (d) lateral meniscus (e) medial collateral ligament √

16. The ________ is attached to the head of the fibula. (a) lateral meniscus (b) lateral collateral ligament √ (c) anterior cruciate ligament (d) posterior cruciate ligament (e) medial meniscus 17. The calcaneum participates in the formation of which arch(es) of the foot? (a) Medial longitudinal arch only (b) Medial and lateral longitudinal arches √ (c) Transverse arch only (d) Medial longitudinal and transverse arches (e) Lateral longitudinal and transverse arches 18. The talus participates in the formation of which arch(es) of the foot? (a) Transverse arch only (b) Lateral longitudinal arch only (c) Medial longitudinal arch only √ (d) Medial and lateral longitudinal arches (e) Transverse and medial longitudinal arches 19. The cuboid participates in the formation of which arch(es) of the foot? (a) Medial longitudinal arch only (b) Lateral longitudinal arch only (c) Transverse arch only (d) Medial longitudinal and transverse arches (e) Lateral longitudinal and transverse arches √ 20. The sesamoid bones under the head of the first metatarsal bone participate in the formation of which arch(es) of the foot? (a) Lateral longitudinal arch only (b) Medial longitudinal arch only √ (c) Medial longitudinal and transverse arches (d) Transverse arch only (e) Lateral longitudinal and transverse arches 21. The following statements concerning the dorsalis pedis artery are correct except which? (a) It is a continuation of the anterior tibial artery. (b) It enters the sole of the foot by passing between the two heads of the first dorsal interosseous muscle. (c) It can be palpated on the foot between the tendons of tibialis anterior and the extensor hallucis longus muscles. √ (d) It joins the lateral plantar artery. (e) On its lateral side lies the terminal part of the deep peroneal nerve. 22. The following structures contribute to the boundaries of the popliteal fossa except which? (a) The semimembranosus muscle (b) The plantaris (c) The biceps femoris muscle (d) The medial head of the gastrocnemius muscle (e) The soleus √ 23. The following structures pass through the greater sciatic foramen except which? (a) The superior gluteal artery (b) The sciatic nerve (c) The obturator internus tendon √ (d) The pudendal nerve (e) The inferior gluteal vein

24. The femoral ring is bounded by the following structures except which? (a) The femoral vein (b) The lacunar ligament (c) The superior ramus of the pubis (d) The femoral artery √ (e) The inguinal ligament 25. The following structures pass through the subsartorial canal except which? (a) The posterior division of the obturator nerve (b) The nerve to vastus lateralis √ (c) The femoral artery (d) The saphenous nerve (e) The femoral vein 26. The floor of the femoral triangle is formed by the following muscles except which? (a) The pectineus (b) The adductor longus (c) The iliacus (d) The psoas (e) The adductor brevis √ 27. The following statements concerning the ankle joint are correct except which? (a) It is strengthened by the deltoid (medial collateral) ligament. (b) It is a hinge joint. (c) It is formed by the articulation of the talus and the distal ends of the tibia and the fibula. (d) It is most stable in the fully plantar-flexed position. √ (e) It is a synovial joint. 28. The foot is inverted by the following muscles except which? (a) The tibialis anterior (b) The extensor hallucis longus (c) The extensor digitorum longus (d) The peroneus tertius √ (e) The tibialis posterior...