Card 6 / 52: Which of the following is NOT true?
A)
In the absence of neural input, the heart beats automatically at a rate set by its "Pace Maker"
B)
The heart receives both sympathetic and parasympathetic innervation
C)
Norepinephrine increases heart rate
D)
Acetylcholine will slow heart rate
E)
None of the above (all statements are true)
Answer:
A) In the absence of neural input, the heart beats automatically at a rate set by its "Pace Maker"
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