单选题
Concerning the musculocutaneous nerve, which one is true?
A、
it arises from medial cord of brachial plexus
B、
it innervates triceps brachii
C、
it supplies posterior group of muscles of arm
D、
it innervates the coracobrachialis
E、
it acompanies with deep brachial vessels
【正确答案】
D
【答案解析】
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