Action Potentials in Muscle Fibers

question 3

Multiple Choice

 Action potentials in muscle fibers

• A) do not occur.
• B) spread out in two directions on either side of a receptor site.
• C) travel in only one direction, from one end of a muscle fiber to the other.
• D) lead to multiple twitches in that fiber.

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Definitions:

Unconscious Processes

Cognitive activities that happen outside of conscious recognition, affecting how we perceive, think, and act.

Electrooculograph

An instrument used to measure the resting potential of the retina through electrodes placed around the eyes, commonly used in eye movement research.

REM Sleep

A phase of sleep characterized by rapid eye movements, heightened brain activity, and vivid dreaming.

Electromyograph

A diagnostic tool that records the electrical activity produced by skeletal muscles to evaluate muscle function and health.