What Causes Potassium Ions to Leave the Axon Just After

question 27

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:

Variation

The measure of dispersion in a dataset, showing how much individual data points differ from the mean.

Special Causes

Unusual, non-random factors that cause variability in a process, distinct from common causes.

Common Causes

Natural variations in a process, which are constant and inherent in the system over time, as opposed to special causes that are unusual or not part of the process.

Special Causes

Unusual events or circumstances that can cause variations in a process or system, distinguishing them from common, everyday variations.