A patient has an end-diastolic volume of 160 mL and an end-systolic volume of 120 mL. What is the ejection fraction?
Answer and explanation
Correct answer: C. 25 %
- Step 1: Stroke volume mL.
- Step 2: EF .
Answer
25 %.
Why not the others: 75 %: The fraction remaining in the ventricle was given. 40 %: The stroke volume was given as a percentage. 33.33 %: The stroke volume was divided by the end-systolic volume.
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