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Questions and Answers
What physiological changes are observed in the hemolytic system by days 4 to 7 of bed rest?
What physiological changes are observed in the hemolytic system by days 4 to 7 of bed rest?
- Increase in lean body mass
- Increase in cardiac output and stroke volume
- Increase in fibrinogen and fibrinolytic activity, and prolonged clotting time (correct)
- Decrease in serum osmolality and hematocrit
What effect does bed rest have on the metabolic rate?
What effect does bed rest have on the metabolic rate?
- It causes a temporary spike in the metabolic rate
- It increases the metabolic rate
- It decreases the metabolic rate (correct)
- It has no effect on the metabolic rate
What are the observed effects on the hemolytic system by days 8 to 14 of bed rest?
What are the observed effects on the hemolytic system by days 8 to 14 of bed rest?
- Increase in serum osmolality and hematocrit
- Decrease in red blood cell number and reduced phagocytic ability of leukocytes (correct)
- Increase in venous compliance and urinary sodium and chloride excretion
- Increase in lean body mass and bone density
What physiological changes occur after 15 days of bed rest?
What physiological changes occur after 15 days of bed rest?
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What is the primary effect on the cardiovascular system by days 4 to 7 of bed rest?
What is the primary effect on the cardiovascular system by days 4 to 7 of bed rest?
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