What Causes Potassium Ions to Leave the Axon Just After

question 40

Multiple Choice

What causes potassium ions to leave the axon just after the peak of the action potential?​

• A)a continuing concentration gradient and the opening of the potassium gates
• B)​an increase in the concentration gradient across the membrane
• C)​an increased tendency of the sodium-potassium pump to push potassium out
• D)binding of potassium ions to proteins that leave at this time

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Definitions:

Gray Matter

Refers to the darker-colored regions of the brain and spinal cord, primarily made up of nerve cell bodies and branching dendrites, involved in muscle control and sensory perception such as seeing and hearing.

Intelligence Scores

Numerical measures obtained from cognitive tests aimed at assessing an individual's mental capacity and abilities compared to an average score.

Impulsivity

A tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences.

Attentional Capabilities

The ability to focus and maintain concentration on specific stimuli or tasks, often varying in capacity among individuals.