Autonomic Regulation of the Heart Is Dependent on Which One

question 3

Multiple Choice

Autonomic regulation of the heart is dependent on which one of the following?

• A)Parasympathetic fibers of the vagus nerve
• B)Sympathetic fibers from the thoracic level
• C)Periaqueductal gray
• D)Both A and B
• E)A,B,and C

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