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NREMT Advanced EMT Practice Test #4

Category - EMT-I/99

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What decreases when hypovolemia reduces preload?

Cardiac input
Cardiac output
Synapses input
Synapses output

Explanation

Answer - B - Cardiac output is decreased when hypovolemia reduces preload, the blood available to the pump. Adequate tissue perfusion is dependent on a functional and well-oxygenated pump, adequate volume, and an intact container. The fluid-container-volume ratio must match.

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