AHN 447 Exam 1 (Renal) Questions and Correct Verified Answers
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Course
AHN 447
Institution
AHN 447
What are the functions of the renal system?
- fluid & electrolyte balance/acid-base balance
- rid the body of water soluble waste products
- maintain normal blood volume and osmolarity
- production of erythropoietin
- activation of vitamin D to facilitate absorption of calcium
What are t...
AHN 447 Exam 1 (Renal) Questions and
Correct Verified Answers
What are the functions of the renal system?
✓ - fluid & electrolyte balance/acid-base balance
✓ - rid the body of water soluble waste products
✓ - maintain normal blood volume and osmolarity
✓ - production of erythropoietin
✓ - activation of vitamin D to facilitate absorption of calcium
What are the 3 major function of the nephron?
✓ - filtration of water soluble substances
✓ - reabsorption of filtered nutrients, water, and electrolytes
✓ - secretion of waste products
prevents transport of bleed cells and proteins; more permeable than other capillaries in
the body
✓ glomerulus
What is one of the most important factors of GFR?
✓ blood volume
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formed and release when there is decreased blood flow, volume, or pressure
✓ renin
What does renin stimulate the production of?
✓ angiotensin I and angiotensin II
causes vasoconstriction and the release of aldosterone
✓ angiotensin II
increases the reabsorption of Na++
✓ aldosterone
produced in the kidney and regulates GFR, renal vascular resistance, and renin
production
✓ prostaglandins
dilates renal vasculature to maintain renal blood flow - released after Angiotensin II
✓ bradykinin
triggers RBC formation in marrow
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✓ erythropoietin
converted to active form in the kidney
✓ vitamin D
What is the normal value of creatinine?
✓ 0.6-1.2 mg/dl
What is the best indication of renal failure and why?
✓ serum creatinine; no other pathologic condition other than renal disease
increases the serum Creatinine level
What is the normal value for BUN?
✓ 10-20 mg/dl
indirect measure of overall hydration
✓ BUN
Who is the highest risk group of renal cell carcinoma?
✓ african american men
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