What Is the Name of the First Phase of the Action

question 44

Multiple Choice

What is the name of the first phase of the action potential that is caused by the inward movement of sodium?

• A) repolarization
• B) refractory period
• C) depolarization
• D) saltatory conduction

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Definitions:

Entrained Circadian Rhythm

The synchronization of the body's natural circadian rhythms (sleep-wake cycle and other biological processes) with the environment, such as the light-dark cycle.

Blind

Blindness is the condition of lacking visual perception due to physiological or neurological factors.

Faster

Operating or moving at high speed or more quickly than is usual, often used to compare the speed or efficiency of processes, objects, or people.

Light Pollution

Exposure to artificial light that changes activity patterns and so disrupts circadian rhythms.