During heart failure,
A) The Frank-Starling curve is shifted to the left.
B) The heart pumps out a smaller stroke volume than normal for a given EDV.
C) A compensatory increase in sympathetic activity increases the contractility of the heart to normal in the early stages of the disease.
D) All of these.
E) The heart pumps out a smaller stroke volume than normal for a given EDV, and a compensatory increase in sympathetic activity increases the contractility of the heart to normal in the early stages of the disease.
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