Within a physiologic range, an increase in left ventricular end-diastolic volume (preload) leads to a(n):
A)increased force of contraction.
B)decrease in refractory time.
C)increase in afterload.
D)decrease in repolarization.

Question

Quizplus · Accepted Answer

This is a concept expressed in Frank-Starling law; cardiac muscle, like other muscle, increases its strength of contraction when it is stretched.

Within a Physiologic Range, an Increase in Left Ventricular End-Diastolic