While Jogging, a Person Has a Stroke Volume of 130

question 64

Multiple Choice

While jogging, a person has a stroke volume of 130 ml/beat and a heart rate of 120 beats per minute. If their resting stroke volume was 70 ml/beat and resting heart rate was 60 beats per minute, how did this person's cardiac output change?

• A) Their cardiac output did not change. Only their respiratory rate changed.
• B) During exercise, their cardiac output decreased by 11,400 ml/minute.
• C) During exercise, their cardiac output increased by 60 ml/beat.
• D) Their cardiac output increased from 4,200 ml/minute to 15,600 ml/minute after jogging.

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