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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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get_it get_it
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10 years ago
Hello,

i have this question for a lab and i need some clarification.

5. Explain how a decrease in TPR will increase SV and subsequently CO.

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Staff Member
10 years ago
Mean arterial pressure is directly proportional to cardiac output (CO) and total peripheral resistance (TPR). A 50% increase in cardiac output whether by increased SV or heart rate (or both) will increase mean arterial pressure by 50% - provided that total peripheral resistance remains constant.

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- Master of Science in Biology
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