The blood that flows through the kidneys is
a. normally about 20 to 25 percent of the total cardiac output
b. all filtered through the glomeruli
c. all used to supply the renal tissue with O2 and nutrients
d. all of the above
e. only a and b
A
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A) filamentous B) extracellular C) interstitial D) membranous E) bound
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Fill in the blank(s) with correct word
Which answer places the following events in proper order for pulmonary ventilation?a: Thoracic cavity volume changes.b: Brainstem nuclei stimulate skeletal muscles to contract.c: Air flows down its pressure gradient.d: Dimensional changes in the thorax lead to pressure changes within the lung.
A. a, c, d, b B. c, a, d, b C. b, a, d, c D. b, d, c, a E. d, c, b, a
Marfan syndrome is a hereditary defect of elastin fibers. People with this syndrome have ________
A) a small cranium B) stronger bones C) viscous blood D) hyperextensible joints E) elastic bones