Physiology MCQs

Page No. 31

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


aMore reabsorption in the PCT

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bMore concentration in loop of Henle

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cMore reabsorption of DCT and collecting ducts

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dAll of these

✓


View Answer All of these

Amount of glucose absorbed in proximal convoluted tubule_______________?


a100%

✓


b0%

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c60%

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d50%

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View Answer 100%

The normal adult value of urine output________________?


a1.5 l/day

✓


b3 l/day

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c0.5 l/day

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d2 l/day

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View Answer 1.5 l/day

Each kidney contains about ______ nephrons ?


aOne million

✓


bTwo million

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cFour million

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d½ million

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View Answer One million

GFR is increased when________________?


aPlasma oncotic pressure is increased

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bGlomerular hydrostatic pressure is decreased

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cTubular hydrostatic pressure is increased

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dIncreased renal blood flow

✓



Major portion of glomerular filtrate is absorbed in__________________?


aLoop of Henle

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bDistal convoluted tubule

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cCollecting duct

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dProximal segment

✓


View Answer Proximal segment

Proximal renal tubule is most permeable to _______________?


aSodium

✓


bPotassium

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cBicarbonate

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dAmmonia

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View Answer Sodium

In renal glycosuria, the renal threshold for glucose is_______________?


aLow

✓


bHigh

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cSame

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dGreatly increased

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View Answer Low

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


aInulin and mannitol

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bUrea and diodrast

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cPAH and Phenol red

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dInulin and PAH

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View Answer Inulin and PAH

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


aAldosterone

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bAngiotensin II

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cVasopressin

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dEpinephrine

✓


View Answer Epinephrine

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