As H+ increases, K+ secretion also increases because of the intimate relationship between H+ secretion and K+ secretion by the kidneys
Indicate whether the statement is true or false
F
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Blood acidity results in depression of the CNS, whereas blood alkalosis results in overexcitement of the CNS
Indicate whether the statement is true or false
A person's blood type is determined by ________.
A) the presence or absence of specific glycoprotein molecules on their cell membrane. B) the shape of the red blood cells. C) the chemical character of the hemoglobin. D) the size of the red blood cells. E) the number of specific molecules on the cell membrane.
Veins are much more easily distended under pressure than are arteries
A) only in a few specialized cases. B) because their walls are thinner and contain a lower proportion of smooth muscle fibers. C) because their walls are thicker, and veins contain a greater proportion of elastic fibers and collagen. D) because of vasoconstriction. E) None of the answers are correct.
Single-unit smooth muscle is ______ rather than requiring nervous stimulation
Fill in the blank(s) with correct word