Impulses Carried to the Heart by Means of Fibers That

question 72

Multiple Choice

Impulses carried to the heart by means of fibers that secrete acetylcholine are

• A) parasympathetic impulses and cause the heart rate to increase.
• B) parasympathetic impulses and cause the heart rate to decrease.
• C) sympathetic impulses and cause the heart rate to increase.
• D) sympathetic impulses and cause the heart rate to decrease.
• E) somatic impulses and cause the heart rate to decrease.

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