Because fluid loss as sweat is isoosmotic, the baroreceptor reflexes are more important than osmoreceptor activity in restoring extracellular fluid volume after sweating.
Answer the following statement true (T) or false (F)
False
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Nucleolus
What will be an ideal response?
An incompetent mitral valve may cause blood to back up into the
A. aorta. B. left atrium. C. left ventricle. D. coronary circulation. E. right atrium.
Why is the skin capable of repair, even after serious damage?
A) All layers of the skin have an excellent blood supply. B) Stem cells persist in both the epidermis and dermis. C) Individual skin cells have a high metabolic rate. D) There are abundant fibroblasts in the epidermis. E) Construction of scar tissue is easier than making normal skin.
Which of the following will cause local adjustments in an arteriole's radius and hence vessel diameter?
a. decreased O2 b. increased K+ c. increased O2 d. increased acid e. all of these.