Which heart component is influence by NE but not by ACh?
A) ventricular.
B) AV node.
C) heart rate.
D) SA node.
E) none of the above

Name: Which heart component is influence by NE but not by ACh? A) ventricular. B) AV node. C) heart rate. D) SA node. E) none of the above
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Question

Quizplus · Accepted Answer

Norepinephrine (NE) influences the ventricular myocardium by increasing contractility, while acetylcholine (ACh) primarily affects the SA node and AV node by decreasing heart rate and conduction velocity, respectively.

Which Heart Component Is Influence by NE but Not by ACh