Lab 4 - Lab 4: Cardiovascular System Meghan Hughes...

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Lab 4: Cardiovascular System Meghan Hughes 3343-8468 2057
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The purpose of this lab is to show how the baroreceptor reflex helps BP stabilize after a change in physiological situations. When BP decreases, the baroreceptor reflex signals the body to increase HR and TPR to cause an increase in BP so the body can overcome the decrease in BP. It was also to measure subjects HR and BP in response to the static and dynamic exercises. In this lab we demonstrate how the baroreceptor reflex works at rest, immediately after standing, one minute after standing; it was also demonstrated during dynamic exercises and static exercises. For the dynamic exercises we used two subjects, a male and a female, and incrementally measured their BP and HR. This data is collected while they perform two different workloads on the cycle ergometer. The static exercises were similar in that we used two different subjects, a male and a female, and measure their HR and BP incrementally while they performed wall-sits. Female Calculations: Female Amanda Weight(kg): 58 SBP DBP HR Est. VO2 Est. Q SV MAP TPR mmHg mmHg beat/min mL/min L/min mL/beat mmHg mmHg/L/min est 120 60 63 1 MET* 3.5mL/kg/min*58kg=203 mL/min 2ml*(120- 60)*63]/1000= 7.56 L/min 7560 mL/min/63 beats/min= 120 mL/beat 120mmHg +(2*60mmHg) /3= 80 mmHg 80mm Hg/75.6 L/min= 1.05 mmHg/L/min
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Lab 4 - Lab 4: Cardiovascular System Meghan Hughes...

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