Physiology MCQs

Page No. 31

Formation of a small volume of concentrated urine in dehydration is associated with____________?


aMore reabsorption in the PCT


bMore concentration in loop of Henle


cMore reabsorption of DCT and collecting ducts


dAll of these


View Answer All of these

Amount of glucose absorbed in proximal convoluted tubule_______________?


a100%


b0%


c60%


d50%


View Answer 100%

The normal adult value of urine output________________?


a1.5 l/day


b3 l/day


c0.5 l/day


d2 l/day


View Answer 1.5 l/day

Each kidney contains about ______ nephrons ?


aOne million


bTwo million


cFour million


d½ million


View Answer One million

GFR is increased when________________?


aPlasma oncotic pressure is increased


bGlomerular hydrostatic pressure is decreased


cTubular hydrostatic pressure is increased


dIncreased renal blood flow



Major portion of glomerular filtrate is absorbed in__________________?


aLoop of Henle


bDistal convoluted tubule


cCollecting duct


dProximal segment


View Answer Proximal segment

Proximal renal tubule is most permeable to _______________?


aSodium


bPotassium


cBicarbonate


dAmmonia


View Answer Sodium

In renal glycosuria, the renal threshold for glucose is_______________?


aLow


bHigh


cSame


dGreatly increased


View Answer Low

Two substances that can probably be used to determine filtration fraction are_______________?


aInulin and mannitol


bUrea and diodrast


cPAH and Phenol red


dInulin and PAH


View Answer Inulin and PAH

Which one of the following is not responsible for concentration of urine in the kidneys______________?


aAldosterone


bAngiotensin II


cVasopressin


dEpinephrine


View Answer Epinephrine

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