(AMPLE) PART II QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2027
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1. Which nerve provides the primary motor innervation to the
anterior compartment of the leg?
A. Tibial nerve
B. Deep fibular nerve
C. Superficial fibular nerve
D. Sural nerve
Correct answer: B. Deep fibular nerve
Rationale: The deep fibular nerve innervates the anterior
compartment muscles responsible primarily for ankle
dorsiflexion and toe extension.
2. Which muscle is the strongest ankle dorsiflexor?
A. Tibialis anterior
B. Gastrocnemius
C. Soleus
D. Tibialis posterior
Correct answer: A. Tibialis anterior
Rationale: Tibialis anterior is the primary dorsiflexor and also
contributes to inversion of the foot.
,3. Which artery is the continuation of the popliteal artery
after it passes through the interosseous membrane?
A. Posterior tibial artery
B. Dorsalis pedis artery
C. Anterior tibial artery
D. Fibular artery
Correct answer: C. Anterior tibial artery
Rationale: The anterior tibial artery passes through the
proximal interosseous membrane and descends in the anterior
compartment.
4. Which structure forms the lateral longitudinal arch of the
foot?
A. Talus and navicular
B. Calcaneus and cuboid
C. Talus and first metatarsal
D. Navicular and cuneiforms
Correct answer: B. Calcaneus and cuboid
Rationale: The lateral arch is relatively low and is primarily
formed by the calcaneus and cuboid with associated metatarsal
structures.
5. Which ligament is most commonly injured in an inversion
ankle sprain?
A. Deltoid ligament
B. Anterior talofibular ligament
C. Posterior talofibular ligament
D. Spring ligament
,Correct answer: B. Anterior talofibular ligament
Rationale: The anterior talofibular ligament is the most
frequently injured lateral ankle ligament.
6. Which tendon inserts primarily on the navicular tuberosity?
A. Tibialis anterior
B. Tibialis posterior
C. Peroneus longus
D. Flexor hallucis longus
Correct answer: B. Tibialis posterior
Rationale: Tibialis posterior inserts primarily on the navicular
tuberosity and sends expansions to several adjacent tarsal
bones.
7. What is the most common mechanism of an Achilles tendon
rupture?
A. Direct penetrating trauma
B. Sudden forced dorsiflexion against a contracting
gastrocnemius-soleus complex
C. Chronic inversion
D. Repetitive toe flexion
Correct answer: B. Sudden forced dorsiflexion against a
contracting gastrocnemius-soleus complex
Rationale: Achilles rupture commonly occurs during sudden
eccentric loading of the plantarflexors.
8. Which test is commonly used to assess Achilles tendon
rupture?
, A. Lachman test
B. Thompson test
C. Drawer test
D. McMurray test
Correct answer: B. Thompson test
Rationale: Absence or marked reduction of plantarflexion when
the calf is squeezed suggests Achilles tendon disruption.
9. Which bone is most commonly fractured in a Lisfranc
injury?
A. Talus
B. Navicular
C. Metatarsal base region
D. Calcaneus
Correct answer: C. Metatarsal base region
Rationale: Lisfranc injuries involve the tarsometatarsal complex,
particularly the second metatarsal base and Lisfranc ligament.
10. Which tendon passes posterior to the medial malleolus?
A. Tibialis anterior
B. Extensor hallucis longus
C. Tibialis posterior
D. Peroneus brevis
Correct answer: C. Tibialis posterior
Rationale: Tibialis posterior travels behind the medial malleolus
as part of the structures within the tarsal tunnel.