51) The renal clearance of this byproduct of amino acidcatabolism is used as a rough measure the glomerular filtrationrate.
uric acid
azotemia
cretine
ammonia
urea
52.) The actions of the kidney include regulation of
blood plasma pH
All of the choices are correct
blood plasma volume
blood plasma electrolyte concentration
blood pressure
53) Which structures are primarily responsible for maintainingthe salinity gradient of the renal medulla?
collecting ducts
cortical nephrons
distal convoluted tubules
proximal convoluted tubules
juxtamedullary nephrons
54) The____ is a ball of capillaries that lies between anafferent arteriole and an efferent arteriole.
minor calyx
juxtaglomerular apparatus
glomerulus
renal corpuscle
peritubular capillary
55.) In a healthy kidney,___ should not passthrough the glomerlular filtration membrane into the proximal renaltubules.
amino acids
electrolytes
proteins
vitamins
glucose