Multiple Choice
Which statement regarding autonomic innervation of the heart is correct?
A) The release of norepinephrine (NE) and epinephrine (E) by the adrenal medulla decreases the force and degree of contraction.
B) Norepinephrine released by sympathetic neurons increases the heart rate.
C) Acetylcholine released by parasympathetic neurons results in increased heart rate.
D) Parasympathetic release of norepinephrine at synapses in the myocardium result in an increase in stroke volume.
E) Acetylcholine released by sympathetic neurons result in an increase in the force of cardiac contractions.
Correct Answer:

Verified
Correct Answer:
Verified
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