One Type of Electrical Defect in the Heart Is a Delay

question 47

Multiple Choice

One type of electrical defect in the heart is a delay in the electrical signal from the sinoatrial node to the relay point. Predict the effect of this defect on the cardiac cycle.

• A)The atria relax for a shorter period of time.
• B)The atria relax for a longer period of time.
• C)The ventricles relax for a shorter period of time.
• D)The ventricles relax for a longer period of time.

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Definitions:

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