SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Counter current mechanism helps to maintain a concentration gradient. This gradient help in

a)

Easy passage of water from medulla to collecting tubule and thereby concentrating urine

b)

Easy passage of water from collecting tubule to interstitial fluid and thereby concentrating urine

c)

Easy passage of water from medullary interstitial fluid to collecting tubule and thereby diluting urine

d)

Inhibition of passage of water between the collecting tubule and medulla and so isotonic urine is formed


Question ID - 4031 :-

Counter current mechanism helps to maintain a concentration gradient. This gradient help in

a)

Easy passage of water from medulla to collecting tubule and thereby concentrating urine

b)

Easy passage of water from collecting tubule to interstitial fluid and thereby concentrating urine

c)

Easy passage of water from medullary interstitial fluid to collecting tubule and thereby diluting urine

d)

Inhibition of passage of water between the collecting tubule and medulla and so isotonic urine is formed

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

When blood from cortex goes through the descending loop, it loses water and gain salts and salutes. As blood ascends, the reverse occurs and it gains water and gradually loses salts and solutes



Next Question :

Choose the correct statement

I. Renal artery transport blood to kidney

II. Loop of Henle concentrate urine

III. Podocytes occur in inner wall of Bowman’s capsule

IV. Ultrafiltrate is blood plasma minus protein

a)

I, II and III

b)

I, II and IV

c)

I, II and IV

d)

None of these


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