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Lab 4 Study Questions.docx

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Department
Biology
Course
BIOL 373L
Professor
Heidi Engelhardt
Semester
Winter

Description
Lab 4 Study Questions Kidney Function and Urinalysis1If you were to analyze samples of urine provided by 2 patients one suffering from diabetes mellitus the other from diabetes insipidus what major differences would you expect to find between the 2 samplesDiabetes mellitus abnormally high levels of blood glucose resulting in glucose presence in urineoThe patients plasma glucose level will exceed the renal threshold 300 mg100 mL therefore glucose will present and excreted in the urine because glucose will be filtered faster than carriers in the proximal tubule can reabsorb it carriers become saturated oUrine will taste sweet due to glucose present in the urineDiabetes insipidus lack of vasopressin resulting in excretion of large amounts of very dilute urine and excessive thirstoThere will be large amounts of urine and it will be almost tasteless due to its severe dilutionoDue to the lack of vasopressin which normally causes the body to retain water water is not reabsorbed from t
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