Week 14 Quizgecko .pdf

1. **Which nerve supplies the medial two-thirds of the sole of the foot?** - A) Saphenous nerve - B) Medial plantar nerve - C) Lateral plantar nerve - D) Sural nerve **Correct Answer: B** 2. **What structure does the plantar aponeurosis attach to posteriorly?** - A) Calcaneal tuberosity...

1. **Which nerve supplies the medial two-thirds of the sole of the foot?** - A) Saphenous nerve - B) Medial plantar nerve - C) Lateral plantar nerve - D) Sural nerve **Correct Answer: B** 2. **What structure does the plantar aponeurosis attach to posteriorly?** - A) Calcaneal tuberosity - B) Medial malleolus - C) Metatarsal heads - D) Cuboid bone **Correct Answer: A** 3. **Which muscle is located in the first layer of the sole of the foot?** - A) Quadratus plantae - B) Abductor hallucis - C) Flexor digitorum longus - D) Lumbricals **Correct Answer: B** 4. **The medial plantar artery is a terminal branch of which artery?** - A) Anterior tibial artery - B) Dorsalis pedis artery - C) Posterior tibial artery - D) Fibular artery **Correct Answer: C** 5. **Which muscle is NOT innervated by the medial plantar nerve?** - A) Flexor digitorum brevis - B) Abductor hallucis - C) Flexor hallucis brevis - D) Adductor hallucis **Correct Answer: D** 6. **What is the primary action of the plantar interossei?** - A) Abduction of the toes - B) Adduction of the toes - C) Flexion of the toes - D) Extension of the toes **Correct Answer: B** 7. **Which nerve provides cutaneous innervation to the lateral border of the foot?** - A) Sural nerve - B) Saphenous nerve - C) Medial plantar nerve - D) Superficial fibular nerve **Correct Answer: A** 8. **Which artery forms the deep plantar arch?** - A) Medial plantar artery - B) Lateral plantar artery - C) Arcuate artery - D) Dorsalis pedis artery **Correct Answer: B** 9. **What is the origin of the extensor digitorum brevis muscle?** - A) Calcaneus - B) Cuboid - C) Navicular - D) Medial cuneiform **Correct Answer: A** 10. **Which structure passes through the first interosseous space?** - A) Deep plantar artery - B) Deep fibular nerve - C) Plantar metatarsal artery - D) Medial plantar nerve **Correct Answer: A** 11. **Which muscle is involved in the abduction of the great toe?** - A) Flexor hallucis brevis - B) Adductor hallucis - C) Abductor hallucis - D) Flexor digitorum brevis **Correct Answer: C** 12. **Which nerve supplies the skin over the dorsum of the foot?** - A) Deep fibular nerve - B) Superficial fibular nerve - C) Sural nerve - D) Medial plantar nerve **Correct Answer: B** 13. **What is the action of the flexor digitorum brevis?** - A) Flexion of the distal phalanges of the lateral four toes - B) Extension of the distal phalanges of the lateral four toes - C) Flexion of the middle phalanges of the lateral four toes - D) Abduction of the lateral four toes **Correct Answer: C** 14. **Which nerve provides innervation to the adductor hallucis muscle?** - A) Medial plantar nerve - B) Lateral plantar nerve - C) Deep fibular nerve - D) Superficial fibular nerve **Correct Answer: B** 15. **Which structure does the lateral plantar nerve NOT innervate?** - A) Flexor digiti minimi brevis - B) Quadratus plantae - C) Abductor hallucis - D) Adductor hallucis **Correct Answer: C** 16. **The deep plantar arch is completed by an anastomosis between the lateral plantar artery and which other artery?** - A) Anterior tibial artery - B) Medial plantar artery - C) Arcuate artery - D) Deep plantar artery **Correct Answer: D** 17. **Which nerve innervates the flexor hallucis brevis muscle?** - A) Medial plantar nerve - B) Lateral plantar nerve - C) Sural nerve - D) Deep fibular nerve **Correct Answer: A** 18. **What is the origin of the quadratus plantae muscle?** - A) Cuboid - B) Calcaneus - C) Navicular - D) Talus **Correct Answer: B** 19. **Which tendon is located in the fourth layer of the sole of the foot?** - A) Flexor hallucis longus - B) Flexor digitorum longus - C) Fibularis longus - D) Extensor hallucis longus **Correct Answer: C** 20. **Which muscle assists the flexor digitorum longus in flexing the lateral four toes?** - A) Flexor hallucis brevis - B) Quadratus plantae - C) Lumbricals - D) Plantar interossei **Correct Answer: B** 21. **Which artery provides the main blood supply to the dorsum of the foot?** - A) Anterior tibial artery - B) Posterior tibial artery - C) Dorsalis pedis artery - D) Medial plantar artery **Correct Answer: C** 22. **What is the insertion of the abductor digiti minimi muscle?** - A) Base of the distal phalanx of the little toe - B) Base of the proximal phalanx of the little toe - C) Base of the middle phalanx of the little toe - D) Base of the fifth metatarsal **Correct Answer: B** 23. **The medial plantar nerve is similar in distribution to which nerve in the hand?** - A) Radial nerve - B) Ulnar nerve - C) Median nerve - D) Musculocutaneous nerve **Correct Answer: C** 24. **Which muscle in the sole of the foot has a medial and lateral head?** - A) Flexor digitorum brevis - B) Abductor hallucis - C) Adductor hallucis - D) Flexor hallucis brevis **Correct Answer: D** 25. **Which muscle is found in the second layer of the sole of the foot?** - A) Flexor hallucis brevis - B) Abductor hallucis - C) Lumbricals - D) Dorsal interossei **Correct Answer: C** 26. **Which nerve supplies the skin of the lateral heel?** - A) Medial plantar nerve - B) Lateral plantar nerve - C) Saphenous nerve - D) Sural nerve **Correct Answer: D** 27. **What is the main function of the plantar aponeurosis?** - A) Flexion of the toes - B) Support of the longitudinal arches of the foot - C) Extension of the toes - D) Eversion of the foot **Correct Answer: B** 28. **The dorsal venous arch drains into which vein on the medial side of the foot?** - A) Small saphenous vein - B) Great saphenous vein - C) Posterior tibial vein - D) Anterior tibial vein **Correct Answer: B** 29. **Which muscle's tendons are located within the fibrous flexor sheaths of the lateral four toes?** - A) Flexor digitorum longus - B) Flexor hallucis longus - C) Flexor digitorum brevis - D) Extensor digitorum longus **Correct Answer: A** 30. **Which muscle abducts the toes?** - A) Plantar interossei - B) Lumbricals - C) Dorsal interossei - D) Quadratus plantae **Correct Answer: C** 31. **Which artery is a continuation of the anterior tibial artery on the dorsum of the foot?** - A) Posterior tibial artery - B) Medial plantar artery - C) Lateral plantar artery - D) Dorsalis pedis artery **Correct Answer: D** 32. **What is the main action of the abductor hallucis muscle?** - A) Flexion of the great toe - B) Abduction of the great toe - C) Extension of the great toe - D) Adduction of the great toe **Correct Answer: B** 33. **Which nerve supplies the extensor digitorum brevis muscle?** - A) Superficial fibular nerve - B) Deep fibular nerve - C) Lateral plantar nerve - D) Medial plantar nerve **Correct Answer: B** 34. **Which muscle flexes the proximal phalanx of the little toe?** - A) Abductor digiti minimi - B) Flexor digiti minimi brevis - C) Flexor digitorum brevis - D) Lumbricals **Correct Answer: B** 35. **Which muscle has an oblique and transverse head?** - A) Adductor hallucis - B) Abductor hallucis - C) Flexor hallucis brevis - D) Flexor digiti minimi brevis **Correct Answer: A** 36. **What is the insertion of the dorsal interossei?** - A) Bases of proximal phalanges and extensor expansions of corresponding toes - B) Bases of distal phalanges of lateral four toes - C) Heads of metatarsals - D) Sides of metatarsals **Correct Answer: A** 37. **Which nerve provides cutaneous innervation to the medial side of the foot up to the first metatarsophalangeal joint?** - A) Saphenous nerve - B) Sural nerve - C) Deep fibular nerve - D) Medial plantar nerve **Correct Answer: A** 38. **Which muscle is primarily responsible for extending the toes?** - A) Flexor digitorum brevis - B) Extensor digitorum brevis - C) Lumbricals - D) Plantar interossei **Correct Answer: B** 39. **Which muscle originates from the lateral cuneiform and cuboid bones?** - A) Abductor hallucis - B) Flexor digiti minimi brevis - C) Flexor hallucis brevis - D) Flexor digitorum brevis **Correct Answer: C** 40. **The deep plantar artery completes the plantar arch on which side of the foot?** - A) Lateral - B) Medial - C) Anterior - D) Posterior **Correct Answer: B** 41. **What structure does the saphenous nerve NOT innervate?** - A) Skin of the medial side of the foot - B) Skin of the medial side of the leg - C) Skin of the lateral heel - D) Skin of the ball of the great toe **Correct Answer: C** 42. **Which muscle is located in the fourth layer of the sole of the foot?** - A) Abductor digiti minimi - B) Dorsal interossei - C) Flexor digitorum brevis - D) Flexor hallucis longus **Correct Answer: B** 43. **What is the main function of the quadratus plantae?** - A) Flexion of the great toe - B) Extension of the great toe - C) Assisting the flexor digitorum longus - D) Abduction of the great toe **Correct Answer: C** 44. **Which muscle is NOT involved in maintaining the arches of the foot?** - A) Abductor hallucis - B) Quadratus plantae - C) Lumbricals - D) Flexor digitorum brevis **Correct Answer: C** 45. **The dorsalis pedis artery runs between which two tendons on the dorsum of the foot?** - A) Extensor hallucis longus and extensor digitorum longus - B) Tibialis anterior and extensor hallucis longus - C) Extensor digitorum brevis and extensor hallucis brevis - D) Fibularis longus and tibialis posterior **Correct Answer: A** 46. **Which muscle's tendon passes between the medial and lateral heads of the flexor hallucis brevis?** - A) Flexor digitorum longus - B) Flexor digitorum brevis - C) Flexor hallucis longus - D) Extensor hallucis brevis **Correct Answer: C** 47. **Which nerve supplies the majority of the muscles in the sole of the foot?** - A) Saphenous nerve - B) Deep fibular nerve - C) Medial plantar nerve - D) Lateral plantar nerve **Correct Answer: D** 48. **The fibrous flexor sheaths of the toes contain tendons and what other structure?** - A) Arteries - B) Veins - C) Nerves - D) Synovial sheaths **Correct Answer: D** 49. **Which nerve supplies the skin between the great toe and the second toe?** - A) Superficial fibular nerve - B) Deep fibular nerve - C) Sural nerve - D) Saphenous nerve **Correct Answer: B** 50. **What is the insertion of the flexor digitorum brevis?** - A) Base of proximal phalanges - B) Base of middle phalanges - C) Base of distal phalanges - D) Base of metatarsals **Correct Answer: B**