What Is the Importance of the Delay in the Action

question 147

Multiple Choice

What is the importance of the delay in the action potential in the AV node?

• A) It allows the action potential to reach both ventricles at the same time.
• B) It allows an action potential to reach the left atrium so both atria contract together.
• C) It allows an action potential to reach the left atrium so both atria contract together, before the ventricles contract.
• D) It allows time for the atria to fill with blood.

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Definitions:

Research Hypothesis

A statement made by a researcher predicting a relationship between two variables in a study.

Differences

A term referring to the distinctions or disparities between two or more entities or values.

One-tailed Test

A statistical test that determines the direction of a relationship or difference, testing for either a positive or negative effect only.

Directional Research Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between the variables being studied.