Question
39) Contraction of mesangial cells results ina ________,
which decreases glomerularfiltration.
A) decrease in surface area of capillariesavailable for
filtration
B) increase in surface area of capillariesavailable for
filtration
C) constriction of the afferent arterioles
D) dilation of the afferent arteriolesE) dilation of the
efferent arterioles
CH 18
40) Which of the following is NOT amechanism whereby
glomerular filtrationrate is regulated?
CH 18
41) A hemorrhage-induced decrease in meanarterial pressure
will decrease glomerularfiltration rate by intrinsic and
extrinsicmechanisms; the extrinsic mechanisms actthrough ________.
CH 18
42) How does the sympathetic nervoussystem decrease
glomerular filtration rate?
CH 18
43) What is the primary barrier toreabsorption in the renal
tubules?
A) capillary endothelial cell
B) tubule epithelial cell
C) capillary basement membrane
D) tubule basement membrane
E) peritubular space
CH 18
44) What condition(s) must exist for a soluteto be passively
reabsorbed from the renaltubules?
CH 18
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