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Human Physiology, 7/e
Stuart I Fox, Pierce College
Cardiac Output, Blood Flow, and Blood Pressure

Critical Thinking Exercises

Please answer all questions



1

Why is a distended, edemous abdomen characteristic of the protein deficiency disease kwashiorkor?
2

Your car breaks down in the middle of the desert in the summer and you have no water or juice. What may happen to your blood flow if you do not get some water soon?
3

There is significant superficial vasodilation in a person's facial skin during emotional excitement. How is this different from other areas of the skin? How would you explain the mechanism behind this difference?
4

How is it that severe diarrhea might cause hypovolemic shock?
5

Nitroglycerine will reduce venous muscle tone such that the veins will dilate (although there is some arterial dilation as well). What effect will that have on stroke volume?








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