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In a qualification test for the swimming world finals, the following data is recorded for a...

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Medical Sciences

In a qualification test for the swimming world finals, thefollowing data is recorded for a swimmer. In resting condition:heart rate (HR) of 60 beats / min, a stroke volume (VS) of 85 mL /min. During maximum effort in a test race on a slope: HR of 170beats / min and a VS of 135 mL / beats. This swimmer weighs 68 kgand measures 178 cm.
a) Calculate cardiac output (CO)
b) Calculate the body surface area according to the Dubois-Duboisequation
c) Calculate the cardiac index for the swimmer
d) This athlete has been diagnosed with attention deficithyperactivity disorder ADHD, and in her case the sympatheticnervous system is very active. Briefly explain how this influencesthe Starling effect and stroke volume.

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