Following an injury to his arm,a patient complains that he has lost the ability to flex his elbow and supinate his forearm.You suspect that he has damaged the
A)median nerve.
B)radial nerve.
C)musculocutaneous nerve.
D)ulnar nerve.
E)axillary nerve.

Question

Quizplus · Accepted Answer

The musculocutaneous nerve is responsible for the flexion of the elbow joint as well as supination of the forearm. The median nerve affects flexion of the wrist and fingers. The radial nerve is responsible for extension of the elbow, wrist, and fingers. The ulnar nerve controls the flexion of the wrist and fingers. The axillary nerve controls the abductor muscles of the shoulder joint.

Following an Injury to His Arm,a Patient Complains That He