Question 2 1 pts Review Question: A patient has sustained a gunshot wound to the

Question

Question 2 1 pts Review Question: A patient has sustained a gunshot wound to their axilla, damaging the lower trunk of their brachial plexus. Which of the following branches of the brachial plexus will be completely UNAFFECTED (i.e. undamaged) by this injury? O musculocutaneous nerve O median nerve O radial nerve O ulnar nerve Question 3 1 pts Review Question: In the above injury (damage to lower trunk of brachial plexus), where would the patient experience a complete lack of sensation (i.e. skin is completely numb)? O shoulder O medial arm, forearm, and hand O lateral forearm O posterior arm, forearm, and hand

Explanation / Answer

Ans 2-correct is musculocutaneous nerve which is branch of upper trunk(c5, c6)

Where as medial nerve, radial nerve, ulnar nerve are branches of lower trunk (c8, T1).

Ans3. Correct answer is medial arm, forearm, hand

Medial arm is supplied by medial cutaneous nerve of arm

Forearm is supplied by medial cutaneous nerve of forearm

Hand is supplied by radial, ulnar, median nerve

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