Through what nerve does sensory innervation to the hypothenar region of the hand travel?
  1. radial nerve
  2. ulnar nerve
  3. musculocutaneous nerve
  4. median nerve
Explanation
Answer: B - The ulnar nerve innervates the hypothenar region of the hand. This nerve provides sensory innervations for the medial half digits (pinky finger), medial arm/forearm, and medial palm.
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