Which Statement Is True About the Development of an Action

question 11

Multiple Choice

Which statement is true about the development of an action potential?

• A) Depolarization continues until a potential of +15 mV is reached.
• B) It requires three types of gated channels.
• C) The action potential ends when the polarity across the membrane reaches +40 mV.
• D) Depolarization occurs when sodium gates open and allow sodium ions to enter the axon.
• E) Potassium gates open before the sodium gates and allow potassium ions to leave the axon.

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Definitions:

Somatic

Relating to or affecting the body, distinct from the mind or emotions.

Severity

The degree of intensity or seriousness of a condition, situation, or symptom.

Frequency

The rate at which something occurs or is repeated over a particular period of time or in a given sample.

Duration

The length of time that an event or condition lasts or continues.