Identify an Accurate Statement About the Nerve Supply of the Heart

question 35

Multiple Choice

Identify an accurate statement about the nerve supply of the heart.

• A) The heart receives its nerve supply from only one division of the autonomic nervous system, the sympathetic division.
• B) The autonomic nervous system regulates the rate and force of the contractions of the heart.
• C) The norepinephrine released by the sympathetic nerves in the heart act on the sinoatrial (SA) node to decrease heart rate.
• D) The sympathetic nerves that innervate the heart become active when the body needs to rest and conserve energy.

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Definitions:

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Cyanotic

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Labored Breathing

Breathing that requires significantly more effort; may be due to conditions such as asthma, pneumonia, or heart failure.

Medicare Funds

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