When the Cardiac Output Decreases, the Body Compensates by Which

Multiple Choice

When the cardiac output decreases, the body compensates by which of the following mechanisms?

A) The Frank-Starling mechanism decreases the preload to sustain cardiac performance
B) Myocardial atrophy
C) Epinephrine and norepinephrine cause vasoconstriction
D) Activation of the RAAS to retain water and excrete sodium