When Acetylcholine Binds to Its Receptors on the Motor End

question 134

Multiple Choice

When acetylcholine binds to its receptors on the motor end plate, it triggers a(n) _______ in the postsynaptic membrane.

• A) influx of acetylcholine
• B) influx of K⁺
• C) concentration gradient
• D) action potential
• E) graded potential

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Definitions:

Inflammation

A biological response to harmful stimuli, such as pathogens or damaged cells, involving immune cells, blood vessels, and molecular mediators to facilitate healing.

Tolerance

The process by which the response to a substance decreases with repeated exposure, leading to the need for increased amounts to achieve the same effect.

Antigens

Substances that provoke an immune response in the body, often foreign proteins or polysaccharides that are recognized by antibodies or immune cells.

Unresponsiveness

The state of not reacting to stimuli or not exhibiting any response.