Multiple Choice
An increase in heart rate can be mediated through which of the following?
A) a decrease in parasympathetic nervous activity only
B) a decrease in sympathetic activity only
C) an increase in sympathetic activity only
D) an increase in parasympathetic activity and a decrease in sympathetic activity
E) a decrease in parasympathetic activity and an increase in sympathetic activity
Correct Answer:

Verified
Correct Answer:
Verified
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