At the Beginning of an Action Potential, Sodium Moves

question 72

Multiple Choice

 At the beginning of an action potential, sodium moves

• A) slowly into the cell, because electrostatic pressure is offset by diffusion.
• B) rapidly into the cell, because both electrostatic pressure and diffusion operate at the same time.
• C) slowly out of the cell, because as a positive ion, sodium remains attracted to the relatively negative intracellular environment.
• D) rapidly out of the cell, because the sodium-potassium pumps are very active.

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Definitions:

Utilitarian

Pertaining to the ethical theory that the best action is the one that maximizes utility, generally defined as that which produces the greatest well-being of the greatest number of people.

Amoral

Lacking a moral sense; unconcerned with the rightness or wrongness of something.

Autonomous

Having the freedom to act independently, making decisions and actions based on one's own authority and principles.

Rational Human Agents

Individuals who are believed to make decisions based on logic, reason, and their own best interests.