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16 Cards in this Set

  • Front
  • Back
Which of these statements about the renal pyramids is false

a)They are located in teh medulla b)they contain glomeruli c)they contain collecting ducts d) they empty urine into calyces
b) They contain glomeruli
Matching:
Active transport of sodium;water follows passively
proximal tubule
Matching:
Active transport sodium;water impermeable
ascending limb of loop
Matching:
Passively permeable to water only
decending limb of loop
Matching:
Passively permeable to water and urea
medullary collecting duct
Antidiuretic hormone promotes the retention of water by stimulating the

a)active transport of water b)active transport of chloride c)active transport of sodium d)permeability of the collecting duct of water
d) the permeability of the collecting duct to water
Aldosterone stimulates sodium reabsorption and potassium secretion in the

a)proximal convoluted tubule b)descending limb of the loop c)ascending limb of the loop d)cortical collecting duct
d)cortical collecting duct
Substance X has a clearance greater than zero but less thatn that of insulin. What can you conclude about substance X

a)It's not filtered b)It's filtered but neither reabsorbed or secreted c)it's filtered and partially reabsorbed d)it's filter and secreted
c)it's filtered and partially reabsorbed
Substance Y has a clearance greater than insulin. what can you conclude of sub.Y

a)it's not filtered b)it's filtered but not reabsorbed or secreted c)it's filtered and partially reabsorbed d)it's filtered and secreted
d)it's filtered and secreted
About 65% of the glomerular ultrafiltrateis reabsorbed in the

a)proximal tubule b)distal tubule c)loop of Henle d)collecting duct
a) the proximal duct
Diuretic drugs that act in th eloop of Henle

a)inhibit active soduium transport b)cause an increased flow of filtrate to the distal convoluted tubule c)causes an increased secretion of potasium into the tubule d)promote the excretion of salt and water e)all
e) all
The appearence of glucose in the urine

a)occurs normally b)indicates the presence of kidney disease c)occurs only when the transport carriers for glucose become saturated d)is a result of hypoglycemia
c)occurs only when the carriers for glucose become saturated
Reabsoption of water thru the tubules occurs by

a)osmosis b)active transport c)facillitated diffusion d)all
a)osmosis
Which of the following factors oppose(s) filtration from the glomerulus

a)plasma onclotic pressure b)hydrostatic pressure in glomerular (Bowman's) capsule c)plasma hydrostatic pressure d)A&B e)B&C
d)A&B
The countercurrent exchange in the vasa recta

a)remove Na+from th eextracellular fluid b)maintains high concentrations of NaCl in the extracellular fluid c)raises the concentration of Na+ in the blood leaving the kidneys e)does all
b)maintains high concentrations of NaCl in th eextracellular fluids
The kidneys help to maintain acid-base balance by

a)the secretion of H+ in th edistal regions of the nephron b)th eaction of carbonic anhydrase w/in the apical cell membranes c)the action of carboni anhydrase w/in the cytoplasm of the tubule cells d)the buffering action of phosphates and ammonia in the urine e)all
e) all