Platelets are normally attracted to a
a. collection of white blood cells
b. disrupted surface of a blood vessel
c. smooth surface
d. source of ATP production
e. surface where the blood meets the air
B
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Which type of fluid resistance is likely to be greatest on a swimmer in the ocean at a fast speed?
A. skin friction B. profile drag C. wave drag D. none of the above
In renal compensation of acidosis,
A. H+ secretion decreases; bicarbonate reabsorption increases. B. H+ secretion decreases; bicarbonate excretion increases. C. H+ secretion decreases; bicarbonate excretion decreases. D. H+ secretion increases; bicarbonate excretion increases. E. H+ secretion increases; bicarbonate reabsorption increases.
What do the white rami communicantes contain?
A) postganglionic sympathetic neurons B) preganglionic parasympathetic neurons C) sympathetic chain ganglia D) preganglionic sympathetic neurons
High-quality ________ proteins are those that provide all the essential amino acids.
A. incomplete B. globular C. complete D. net E. fibrous