The Nurse Has Reviewed Information About the Cardiovascular System Before

question 23

Multiple Choice

The nurse has reviewed information about the cardiovascular system before caring for a patient with heart disease.The nurse knows that which of the following statements is true concerning the physiology of the cardiovascular system?

• A) Stimulating the parasympathetic system would cause the heart rate to increase.
• B) When a person has heart muscle disease, the heart muscles stretch as far as is necessary to maintain function.
• C) The QRS interval on the electrocardiogram represents the electrical impulses passing through the ventricles.
• D) When stroke volume decreases, a resultant decrease in heart rate occurs.

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Definitions:

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