The renal function is approximately what percent of the cardiac output?
a) 21
b) 1
c) 5
d) 83
a) 21
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The chemical behavior of an atom is determined by the
A) number of protons. B) number of neutrons. C) outermost electron shell. D) size of the atom. E) mass of the nucleus.
Acid-base balance exists when
A) there is a balance between the rates of absorption across the digestive tract with rates of loss at the kidneys. B) the amount of water gain equals the amount of water loss. C) protein intake equals protein excretion. D) the net gain in sodium ions equals its net loss. E) the production of hydrogen ions is equal to their loss.
When starch is digested by amylase what is the first breakdown product?
A) dextrin B) glucose C) amylose D) sucrose
Which of the following is not a function of lipids?
A. They form skeletal muscle fibers. B. They form the plasma membrane structure. C. They provide cushioning around soft organs. D. They form myelin around nerve fibers. E. They form the structure of some hormones.