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NREMT Advanced EMT

Category - Cardiology

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What do preload, cardiac contractility and afterload reflect?

Heart volume
Stroke count
Blood volume
Stroke volume

Explanation

Answer - D - Preload, cardiac contractility, and afterload reflect stroke volume. The average stroke volume is 60-100 milliliters. The stroke volume is the amount of blood ejected by the heart on contraction, is measured in milliliters, and can increase significantly in a healthy heart.

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