Multiple Choice
Which is TRUE regarding the regulation of heart rate?
A) Stimulation of parasympathetic nerves to the heart causes a slowing of heart rate.
B) Stimulation of sympathetic nerves to the heart causes an increase in heart rate.
C) A person whose heart lacks autonomic innervation has a faster heart rate at rest than a person with a normally innervated heart.
D) The slope of diastolic depolarization in SA node cell action potentials determines the heart rate.
E) All of the choices are true.
Correct Answer:
Verified
Correct Answer:
Verified
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