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1. What causes cardiac output to increase with exercise? (0.5 pt), 2. What two mechanisms cause cardiac muscle cells to
Posted: Wed Jun 01, 2022 6:01 am
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- 1 What Causes Cardiac Output To Increase With Exercise 0 5 Pt 2 What Two Mechanisms Cause Cardiac Muscle Cells To 1 (98.79 KiB) Viewed 27 times
1. What causes cardiac output to increase with exercise? (0.5 pt), 2. What two mechanisms cause cardiac muscle cells to contract more forcefully during exercise? (0.5 pt) a) b) 3. Describe how stroke volume is regulated during exercise by answering the following
questions. Preload: a) What is Preload? (1 pt) b) What determines the preload on the heart? (0.5 pt) c) How does an increase in preload affect SV and CO? (0.5 pt) Contractility: a) What is contractility? (1 pt) b) What is the effect of increased contractility on SV and CO? (0.5 pt) a) What causes an increase in contractility of the heart? Describe the cellular mechanism. (1 pt) 4. What information is obtained by measuring the hematocrit of a blood sample? (0.5 pt)