SKin 6). A healthy average sized male is running a marathon. After running ten m

Question

SKin 6). A healthy average sized male is running a marathon. After running ten miles his heart rate is 85 beats/min, his blood oxygen level is 90% saturated, his stroke volume is 95 ml/beat, the oxygen carrying capacity of his hemoglobin is 5 mm Hg beat. What is this runners cardiac output? Write the formula and then solve the equation for cardiac output. (You must also include the correct units for cardiac output to get full credit) n (path'o-jen), may cause an infec- as the skin and mucous mes nclude viruses, bacteria, fungi, and pathogens are unable to penetrate them infectious agents associated with the skin and mucous

Explanation / Answer

The formula for Cardiac output is

Cardiac Output = Stroke Volume x Heart Rate, which is written as CO = SV x HR

In this question the given values are

Stroke Volume = 95 ml/ beat

Heart Rate = 85 beats per min

Put all the values in the formula:-

CO = SV x HR

CO = 95 X 85

CO = 8075 ml/min

Then

CO = 8.075 Liter/min

Unit of cardic output is Liter per Minute

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