An animal has a cardiac output of 40 mL/min (milliliters per minute) and a stroke volume of 5 mL. What is its heart rate?
A) 8 beats/minute
B) 200 beats/minute
C) 12.5 beats/minute
D) Heart rate cannot be determined with only these two variables.

Question

Quizplus · Accepted Answer

Heart rate can be calculated using the formula: Heart Rate = Cardiac Output / Stroke Volume. Here, Heart Rate = 40 mL/min / 5 mL = 8 beats/minute.

An Animal Has a Cardiac Output of 40 ML/min (Milliliters