Which of the following is the correct definition of a stroke volume? - ProProfs Discuss
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Which of the following is the correct definition of a stroke volume?



A. The volume of blood stretching the left ventricle at the end of diastole
B. The volume of blood ejected by the left ventricle during each contraction
C. The pressure against which the ventricles has to eject blood through the semilunar valves
D. The volume of blood pumped from the left ventricle in one minute

This question is part of Medical Surgical Nursing: Cardiovascular Care
Asked by Caroline, Last updated: Jul 09, 2020

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4 Answers

A. Daniels

A. Daniels, Professor, San Diego

Answered Oct 24, 2018

The answer to this is letter B. This is the amount of blood that is released by the left ventricle for each contraction. The normal range of the stroke volume is about 50-100 ml for every beat but this may change depending on the person’s condition.

There are some people who are in the ICU who are constantly being monitored to know what their stroke volume is. A pulmonary artery catheter is normally used for this. Do take note that the cardiac output is different from the stroke volume. The cardiac output is the total number of blood pumped from the whole heart and not just for one ventricle like the stroke volume.

 

John Adney

John Adney

Answered Jan 31, 2017

The volume of blood ejected by the letf ventricle during each heart beat
 

Dadoue

Dadoue

Answered Jan 31, 2017

The volume of blood ejected by the letf ventricle during each heart beat
 

John Smith

John Smith

Answered Sep 14, 2016

The volume of blood ejected by the left ventricle during each contraction

Choice B is correct
 

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