Repeated USMLE Questions Step 1- Anatomy MCQs- 5

Q- During development, hypothalamus arises from which one of the following structures?

A- Diencephalon

B- Mesencephalon

C- Metencephalon

D- Telencephalon

A-Diencephalon- Hypothalamus along with thalamus and epithalamus arise from diencephalon. B- Gives rise to midbrain. C- Gives rise to pons and cerebellum. D- Gives rise to cerebral hemispheres.

Q- Which one of the following muscles is most likely at risk due to injury of the pelvic floor during delivery of a large-size baby?

A- Coccygeus

B- Iliococcygeus

C- Pubococcygeus

C- Pubococcygeus- It is the main portion of levator ani which forms a large part of the pelvic floor.

Q- Which one of the following structures is involved in a case of tarsal tunnel syndrome?

A- Anterior tibial artery

B- Deep peroneal nerve

C- Peroneal artery

D- Tibial nerve

D- Tibial nerve- Tarsal tunnel syndrome is caused by compression of the tibial nerve as it passes between medial malleolus and calcaneus deep to the flexor retinaculum.

More Repeated USMLE Questions Step 1

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