Multiple Choice
Under resting conditions, heart rate is primarily under the control of what control system?
A) the parasympathetic nervous system
B) the somatic nervous system
C) epinephrine
D) intrinsic mechanisms
E) the sympathetic nervous system
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q52: What structure separates the thoracic cavity from
Q53: Cardiac output is in part determined by
Q54: A decrease in afterload will lead to
Q55: Which of the following is responsible for
Q56: What causes the rapid depolarization phase of
Q58: Atrial fibrillation is usually fatal if not
Q59: The P wave of the electrocardiogram is
Q60: Arteries have a high compliance compared to
Q61: Why do AV nodal cells NOT determine
Q62: Closure of the atrioventricular valve occurs when<br>A)