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poizon [28]
1 year ago
8

Doctors have injected a patient with a freely filtered substance that can be neither reabsorbed nor secreted. What is an example

of such a substance
Medicine
1 answer:
julsineya [31]1 year ago
5 0

Inulin is an illustration of material of this type that cannot be reabsorbed or secreted.

How does inulin avoid being both reabsorbed and secreted?

  • Due to its special characteristics, inulin is the only chemical whose clearance is precisely equal to the glomerular filtration rate (GFR).
  • Although inulin is readily passed across the glomerular capillaries, neither is absorbed into the body nor released after filtering.
  • As a result, the volume of inulin filtered and excreted will be the same. Because of these factors, inulin is referred to as a glomerular marker.
  • The clearance ratio, which is the comparison between the clearance of any drug (x) and the clearance of inulin, is used to express this comparison. Thus,

                           Clearance ratio = C_{X} / C_{inulin}

Therefore it can be concluded that inulin cannot be released or reabsorbed after being injected into a patient.

Learn more about inulin here:

brainly.com/question/9172459

#SPJ4

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