Final answer:
Numbness and tingling on the anterior side of the left arm, distal to the wrist, refers to the front part of the arm down to the fingers. This could indicate a nervous system issue, such as carpal tunnel syndrome.
Step-by-step explanation:
Mr. X is experiencing a sensation of numbness and tingling on the anterior side of his left arm, distal to the wrist. This area refers to the front part of the arm (the side facing towards the body), from the wrist to the fingertips. Numbness and tingling in this region could be related to a nerve compression or issue in the nervous system, such as median nerve compression in carpal tunnel syndrome, where pain, numbness, and tingling are felt in the thumb and first two fingers. A health care provider would likely assess reflexes, sensory responses, and motor control to determine the cause of these symptoms.