What decreases when hypovolemia reduces preload?
  1. Cardiac input
  2. Cardiac output
  3. Synapses input
  4. 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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