If one says that the clearance value of glucose is zero, what does this mean? a. most of the glucose is filtered out of the blood and is not reabsorbed in the convoluted tubules. b. the clearance value of glucose is relatively high in a healthy adult. c. normally all the glucose is reabsorbed. d. the glucose molecule is too large to be filtered out of the blood.

C. Normally all the glucose is reabsorbed.

Explanation:

The renal plasma clearance value of a substance indicates how efficiently it is removed from the blood by kidneys. The higher renal plasma clearance value indicates that the substance is efficiently removed from the blood and is excreted via urine.

On the other hand, the lower clearance value indicates lesser excretion of the substance in urine and higher reabsorption into the blood. Glucose is used as a raw material for cellular respiration to produce energy.

So, the clearance value for glucose is zero which means that glucose is completely reabsorbed from the filtrate and is not present in urine. Symporters and facilitated diffusion allow 100% reabsorption of glucose from filtrate as it passes through proximal convoluted tubule.

answer: c.

explanation:

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