Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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
|