(AMPLE) PART III 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 muscles of the
anterior compartment, including tibialis anterior, extensor
hallucis longus, and extensor digitorum longus.
2. Which artery is the principal continuation of the popliteal
artery below the knee?
A. Femoral artery
B. Dorsalis pedis artery
C. Anterior tibial artery
D. Posterior tibial artery
,Correct Answer: D. Posterior tibial artery
Rationale: The popliteal artery divides into the anterior tibial
and tibioperoneal trunk; the posterior tibial artery continues
through the posterior compartment.
3. A patient with diabetes has a plantar ulcer beneath the first
metatarsal head. Which factor most directly contributes to
ulcer formation?
A. Increased venous pressure
B. Loss of protective sensation
C. Increased bone density
D. Reduced sweating only
Correct Answer: B. Loss of protective sensation
Rationale: Peripheral neuropathy reduces protective sensation,
allowing repetitive trauma and pressure to cause tissue
breakdown.
4. Which test is commonly used to assess protective sensation
in a patient with diabetic neuropathy?
A. Tuning fork only
B. Monofilament testing
C. Thompson test
D. Lachman test
Correct Answer: B. Monofilament testing
,Rationale: A 10-g monofilament is commonly used to evaluate
loss of protective sensation in the diabetic foot.
5. Which bone is the largest tarsal bone?
A. Talus
B. Navicular
C. Calcaneus
D. Cuboid
Correct Answer: C. Calcaneus
Rationale: The calcaneus is the largest bone of the foot and
forms the heel.
6. Which tendon inserts primarily on the base of the fifth
metatarsal?
A. Tibialis anterior
B. Fibularis brevis
C. Tibialis posterior
D. Flexor hallucis longus
Correct Answer: B. Fibularis brevis
Rationale: Fibularis brevis inserts on the tuberosity at the base
of the fifth metatarsal.
7. Which muscle is the primary dorsiflexor of the ankle?
, A. Gastrocnemius
B. Soleus
C. Tibialis anterior
D. Flexor digitorum longus
Correct Answer: C. Tibialis anterior
Rationale: Tibialis anterior is the major dorsiflexor and also
contributes to inversion of the foot.
8. 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 ligament during an inversion ankle sprain.
9. Which clinical test is commonly used to assess the integrity
of the Achilles tendon?
A. Drawer test
B. Thompson test
C. Tinel test
D. Mulder test