USMLE

USMLE practice questions, page 22 of 25, with answer review and explanations.

Question 106

Which of the following nerves innervates the deltoid?

  1. Radial
  2. Cranial nerve XI
  3. Subscapular
  4. Axillary

Question 107

Wrist extensors are primarily controlled by what nerve?

  1. Radial
  2. Ulnar
  3. Median
  4. Tibial

Question 108

Adductor pollicis in the hand is controlled by which nerve?

  1. Radial
  2. Ulnar
  3. Median
  4. Tibial

Question 109

Which of the following arteries is the most frequent site of coronary artery stenosis?

  1. LCA
  2. RCA
  3. LAD
  4. PD

Question 110

Which of the following nerves is not directly linked to the L2`"L3 spinal level?

  1. Tibial
  2. Obturator
  3. Femoral