A 54-year-old woman is found unconscious in her car. She is admitted to the hospital, and during physical examination she has absent biceps brachii reflex. What is the spinal level of the afferent component of this reflex?
Correct Answer: C6
Description: The biceps brachii reflex involves C5 and C6 spinal nerves. C5 provides the motor component; C6 the afferent side of the reflex arc.
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Anatomy
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