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NREMT EMT

Category - Medical

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What is the proper term for the resistance against which the heart must pump?

Path-anastomoses
Preload
Afterload
Blood volume

Explanation

Answer: C - After load is the resistance against which the heart must pump; the greater the resistance, or after load, the smaller the stroke volume. Preload influences the force of the next contraction. The pressure in the ventricle at the end of diastole is referred to as preload.

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