Question

In high vs. low lesions, which nerves are commonly affected?

A) Radial and ulnar nerves
B) Median and radial nerves
C) Ulnar and median nerves
D) Ulnar and radial nerves

Answer 1

In high vs. low lesions, the ulnar and median nerves are commonly affected. High lesions refer to nerve injuries that occur at or above the elbow, while low lesions occur below the elbow. In carpal tunnel syndrome, the median nerve in the wrist becomes compressed, leading to symptoms in the hand and fingers.

Step-by-step explanation:

In high vs. low lesions, the ulnar and median nerves are commonly affected.

High lesions refer to nerve injuries that occur at or above the elbow, while low lesions occur below the elbow. Depending on the location and severity of the lesion, different nerves can be affected. In high lesions, both the ulnar and median nerves can be affected, whereas in low lesions, primarily the ulnar nerve is affected.

For example, carpal tunnel syndrome, which is a type of low lesion, occurs when the median nerve in the wrist becomes compressed due to the narrowing of the carpal tunnel caused by the carpal ligament. This compression can result in pain, numbness, and tingling in the hand and fingers.