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Assertion: Renal threshold of glucose is...

Assertion: Renal threshold of glucose is said to be 180 mg/100 mL
Reason: Glucose starts appearing in the urine when its blood level exceeds 180 mg/100 mL of blood

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A

The proximal tubule can only reabsorb a limited amount of glucose. When blood glucose level exceed about 160 -180mg/ dL, the proximal tubule begins to excrete glucose in urine. This point is called renal threshold for glucose.
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