Question

an athletes resting heart rate is 60 bpm and stroke volume is 70 ml. what is the cardiac output of the athlete? 150 ml min⁻¹ 1300 ml min⁻¹ 4200 ml min⁻¹ 420 ml min⁻¹

Explanation:

Step1: Recall the formula

Cardiac output = Heart rate × Stroke volume

Step2: Substitute values

Heart rate = 60 bpm, Stroke volume = 70 ml. So, Cardiac output = 60×70

Step3: Calculate result

60×70 = 4200 ml/min

Answer:

4200 ml min⁻¹