Renal Disorders

Renal Disorders Overview Activity

Function of the Kidneys and Urinary System (starting on p 1551)

1. What are the main functions of the kidneys?

2. During urine formation, which two substances should be reabsorbed and not excreted in the urine?

3. What two major electrolytes do the kidneys help regulate?

4. What is the role of the kidneys in maintaining serum pH through bicarbonate?

5. Explain the renin-angiotensin system in regulating blood pressure, including the aldosterone in this system.

6. How do the kidneys contribute to RBC production?

7. How do the kidneys contribute to Vitamin D synthesis?


Gerontologic Considerations for Renal Function (p 1554)

The GFR decreases, starting between ____ and ___ years of age with a decline of about

_________ every _______ thereafter.

Decreasing GFR + polypharmacy (metabolites cleared by kidneys) results in:



Decreased thirst sensation + not drinking water due to incontinence and/or limitations in mobility results in:



Nursing interventions:




Renal Function Tests (Table 53-5, p 1562)

Test Normal Range Purpose
Specific gravity  



24-hour creatinine clearance  



Serum creatinine  



Blood/Urea/Nitrogen (BUN)  



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