What Happens to the Rate of Firing in Motor Neurons

question 127

Multiple Choice

What happens to the rate of firing in motor neurons as we age?

• A) No changes occur.
• B) Firing rates decrease,leading to slower and weaker muscle contractions.
• C) Firing rates increase,leading to uncomfortable cramping.
• D) Firing rates decrease,but muscle fibers are able to compensate for these changes.

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Definitions:

Venous Insufficiency

A condition characterized by inadequate blood flow in the veins, leading to symptoms such as swelling, varicose veins, and leg discomfort.

Brachial

Pertaining to the arm, specifically the area from the shoulder to the elbow.

Ulnar

Pertaining to the ulna, one of the two long bones in the forearm, or structures adjacent to it.

Deep Palmar

Pertaining to the deep structures within the palm of the hand, often referring to the area beneath the tendons that impact hand movement and grip.