Objectives: Why can urine be used to diagnose some illnesses? What factors can affect water balance? How does diabetes insipidus affect water balance? How does drinking alcohol affect water balance? How does Ecstasy affect water balance?

Clinistix (Glucose test) Negative + ++ +++ Albustix (Protein test Negative Trace + ++ +++ ++++

Use these words to fill-in-the-blanks Reabsorbed Proteins Glucose Ultrafiltration

Why can urine be used to diagnose some illnesses ? In diabetes mellitus there is too much _________________ in the blood. This is all forced out of the blood during ____________________________, however, there is so much that it can not all be ______________________ so some stays in the urine and is excreted. In kidney disease _________________ are forced out of the blood during ultrafiltration and not reabsorbed.

Use these words to fill-in-the-blanks More Loose ADH Less Dilute Dehydration Increases

How does diabetes insipidus effect water balance? People with diabetes insipidus lack ______. This means that they ___________ lots of water from their blood and produce lots of ______________ urine. How does drinking alcohol effect water balance? Drinking alcohol suppresses ADH production. Less ADH means _________ water is lost from the blood and could lead to _____________________. How does Ecstasy effect water balance? Taking ecstasy _______________________ the production of ADH. More ADH means _________ water is lost from the body and this can lead to water balance problems