When a Neuron's Membrane Is at Rest, the Concentration Gradient

question 11

Multiple Choice

 When a neuron's membrane is at rest, the concentration gradient tends to move potassium ____ the cell and the electrical gradient tends to move it ____ the cell.

• A) into; into
• B) into; out of
• C) out of; into
• D) out of; out of

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Definitions:

Hunger-Arousing Hormone

A hormone, such as ghrelin, that regulates hunger signals and stimulates appetite.

Hierarchy Of Needs

A theory in psychology proposed by Abraham Maslow that posits a five-tier model of human needs, ranging from basic (physiological) to more complex (self-actualization) needs.

Abraham Maslow

An American psychologist known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs.

Arousal Theory

A theory of motivation that suggests people seek to maintain an optimal level of arousal, not too high or too low, for optimal performance.