The blood constituents that remain unchanged in quantity, after circulating through the kidney are

Urea and glucose.

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Glucose and proteins.

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Urea and proteins.

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Urea and uric acid.

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Solution

The correct option is B Glucose and proteins.
Urine filtration takes place in nephrons of the kidney. The glomerulus is the part of the nephron that filters waste products from the blood. The waste products contain urea, uric acid, salts, etc. Proteins and blood cells are large molecules that cannot be filtered So they are completely retained in the blood plasma. Though the glucose in the filtrate is completely (100%) reabsorbed in the proximal convoluted tubule and is transported back to the blood.
So, the correct answer is option B.

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Similar questions

Q. Following are four statements. Find out the correct combination.
1. Glucose has high threshold value.
2. Urine is concentrated in Henles loop.
3. Haemodialyser removes urea, uric acid, glucose and proteins.
4. In glomerulus, urea, uric acid, water, glucose and plasma proteins are filtered out

The blood constituents that remain unchanged in quantity after being circulated through the kidneys are _______.

Dialysing unit (artificial kidney) contains a fluid which is almost the same as plasma except that it has
(a) high glucose (b) high urea (c) no urea (d) high uric acid

Q. Blood fraction remaining unchanged after circulation through kidney is _____________.

The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel mentioned in each case.

(a) Several hours after a meal containing a lot of protein, which vessel will contain the highest concentration of urea?
(b) Which vessel would contain the highest concentration of amino acids and glucose soon after a meal?

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