(PMLEXIS) EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2027
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1. Which bone is the largest tarsal bone in the human foot?
A. Talus
B. Calcaneus
C. Navicular
D. Cuboid
Correct Answer: B. Calcaneus
Rationale: The calcaneus is the largest tarsal bone and forms
the heel.
2. Which nerve provides the primary motor innervation to the
anterior compartment of the leg?
A. Tibial nerve
B. Sural nerve
C. Deep fibular nerve
D. Superficial fibular nerve
Correct Answer: C. Deep fibular nerve
Rationale: The deep fibular nerve supplies the anterior
compartment muscles responsible primarily for dorsiflexion
and toe extension.
,3. The Achilles tendon is primarily formed by the tendons of
which muscles?
A. Tibialis anterior and extensor hallucis longus
B. Gastrocnemius and soleus
C. Tibialis posterior and flexor hallucis longus
D. Peroneus longus and brevis
Correct Answer: B. Gastrocnemius and soleus
Rationale: The gastrocnemius and soleus unite to form the
calcaneal (Achilles) tendon.
4. Which artery is the continuation of the popliteal artery
after passing through the ankle region?
A. Dorsalis pedis artery
B. Posterior tibial artery
C. Femoral artery
D. Fibular artery
Correct Answer: B. Posterior tibial artery
Rationale: The posterior tibial artery continues distally behind
the medial malleolus and divides into plantar arteries.
5. Which structure is the major static support of the medial
longitudinal arch?
A. Plantar fascia
B. Extensor hallucis longus
C. Peroneus brevis
D. Anterior tibial artery
,Correct Answer: A. Plantar fascia
Rationale: The plantar fascia provides substantial passive
support to the longitudinal arch.
6. Which joint is commonly referred to as the ankle or
talocrural joint?
A. Talonavicular joint
B. Subtalar joint
C. Tibiotalar joint
D. Calcaneocuboid joint
Correct Answer: C. Tibiotalar joint
Rationale: The talocrural joint is formed by the tibia, fibula, and
talus.
7. Which muscle is the strongest invertor of the foot?
A. Tibialis posterior
B. Peroneus longus
C. Extensor digitorum longus
D. Peroneus brevis
Correct Answer: A. Tibialis posterior
Rationale: Tibialis posterior is a powerful inverter and
plantarflexor and is important in maintaining the medial arch.
8. Which muscle primarily dorsiflexes the ankle?
A. Tibialis anterior
B. Soleus
C. Gastrocnemius
D. Flexor hallucis longus
, Correct Answer: A. Tibialis anterior
Rationale: Tibialis anterior is the principal dorsiflexor of the
ankle.
9. Which nerve passes posterior to the medial malleolus?
A. Deep fibular nerve
B. Tibial nerve
C. Superficial fibular nerve
D. Saphenous nerve
Correct Answer: B. Tibial nerve
Rationale: The tibial nerve passes through the tarsal tunnel
posterior to the medial malleolus.
10. Which structure is most commonly compressed in tarsal
tunnel syndrome?
A. Tibial nerve
B. Common fibular nerve
C. Femoral nerve
D. Sural nerve
Correct Answer: A. Tibial nerve
Rationale: Tarsal tunnel syndrome results from compression of
the tibial nerve or its branches beneath the flexor retinaculum.
11. What is the primary function of insulin?
A. Increase blood glucose
B. Decrease blood glucose
C. Increase serum calcium
D. Increase blood pressure