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December 20, 2014

Homework Help: Biochem - Diabetes

Posted by Lena on Sunday, February 27, 2011 at 3:03pm.

Type 1 diabetic injected insufficient insulin so her body canít use glucose in blood. Blood glucose is 38 mM (normal value = 3.3-5.8 mM). To adjust osmolality, she increased urine output = dehydration. Should she be treated with water?

The answer is NO and my teacher said the following:
NO b/c water will dilute everything in body, and your gonna give insulin which will cause glucose to come out then all of the sudden not enough solutes in blood and it will come out of the blood = edema ; she would be given saline .9 soution of nacl = isotonic same osmality of blood; reason for this is because once you give insulin and glucose is taken up by cell, you wanan make sure everything is in the right compartments

This makes no sense to me at all. What does she mean it will dilute everything? Since she has polyuria Im thinking there are more solutes in her blood in comparison to water. Actually that's all I'm understanding here. To compensate would the cells release water? I'm confused.

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