Under resting condition the cardiac output is _______ L/ min ?
Correct answer: C. 5.25
- A. 2.5
- B. 4.25
- C. 5.25
- D. 9.5
Explanation
Cardiac output equals heart rate multiplied by stroke volume and is about 5 L/min at rest; 5.25 L/min is the closest option. It rises during exercise to meet increased tissue demand.
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