Each of the following factors will increase cardiac output except:
A) increased venous return.
B) secretion of acetylcholine onto the SA node
C) increased EDV
D) increased heart rate.
E) increased force of ventricular contraction.

Question

Quizplus · Accepted Answer

Secretion of acetylcholine onto the SA node will decrease heart rate, and therefore decrease cardiac output. All of the other factors listed will increase cardiac output.

Each of the Following Factors Will Increase Cardiac Output Except