MCQ – 81967

Healthy adult cardiac reserve is ‑

A.	50 – 100 %
B.	100 – 200 %
C.	200 – 250 %
D.	300 – 400 %

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Correct Answer � D Explanation

Ans, D. 300 – 400 %

Cardiac reserve

• The maximum percentage that the cardiac output can increase above normal is called is the cardiac reserve.
• Thus, in the healthy adult the cardiac reserve is 300-400 % percent.