MCAT Biology Question 96: Answer and Explanation
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Question: 96
6. A patient's chart reveals that he has a cardiac output of 7500 mL per minute and a stroke volume of 50 mL. What is his pulse, in beats per minute?
- A. 50
- B. 100
- C. 150
- D. 400
Correct Answer: C
Explanation:
The first step in solving this problem is to define cardiac output: cardiac output = heart rate × stroke volume. We can therefore divide the cardiac output by the stroke volume to determine heart rate:
