In a motorcycle accident, a man suffers an arm and shoulder injury. Which nerve is most likely damaged if he can extend his elbow but can't flex his wrist?
A)Radial
B)Musculocutaneous
C)Axillary
D)Median

Question

Quizplus · Accepted Answer

The radial nerve innervates the triceps brachii, which extends the elbow, and the brachioradialis, which flexes the forearm at the elbow. If the radial nerve is damaged, the patient would be unable to extend the elbow and flex the wrist.

In a Motorcycle Accident, a Man Suffers an Arm and Shoulder