The Following Are the Main Steps in the Generation of an Action

question 65

Multiple Choice

The following are the main steps in the generation of an action potential.
1) Sodium channels are inactivated.
2) Voltage-gated potassium channels open and potassium moves out of the cell, initiating repolarization.
3) Sodium channels regain their normal properties.
4) A graded depolarization brings an area of an excitable membrane to threshold.
5) A temporary hyperpolarization occurs.
6) Sodium channel activation occurs.
7) Sodium ions enter the cell and depolarization occurs.
What is the proper sequence of these events?

• A) 4, 6, 7, 3, 2, 5, 1
• B) 4, 6, 7, 1, 2, 3, 5
• C) 6, 7, 4, 1, 2, 3, 5
• D) 2, 4, 6, 7, 1, 3, 5
• E) 4, 2, 5, 6, 7, 3, 1

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Definitions:

Internal Attributions

The inference that a person's behavior is due to their own internal characteristics, such as personality, beliefs, or efforts, rather than external circumstances.

External Attributions

The process of explaining one's own behavior or the behavior of others by pointing to causes outside the individual, such as situational factors.

Hope

A feeling of expectation and desire for a certain thing to happen.

Tempered View

A perspective or attitude that is made moderate or restrained by considering all factors and avoiding extreme positions.