If the EDV were held constant, increased cardiac output could be accomplished by
A)decreased sympathetic stimulation of the heart
B)decreased parasympathetic stimulation of the heart
C)decreased contractility
D)increased length of isovolumetric contraction
E)increased arterial blood pressure

Question

Quizplus · Accepted Answer

Decreased parasympathetic stimulation of the heart would lead to an increased heart rate, thereby increasing cardiac output if the end-diastolic volume (EDV) is held constant.

If the EDV Were Held Constant, Increased Cardiac Output Could