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AHN 447 Exam 1 (Renal) Questions With
Verified Answers
What are the functions of the renal system? - Answers✔- 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? - Answers✔- 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 -
Answers✔glomerulus
What is one of the most important factors of GFR? - Answers✔blood volume
formed and release when there is decreased blood flow, volume, or pressure - Answers✔renin
What does renin stimulate the production of? - Answers✔angiotensin I and angiotensin II
causes vasoconstriction and the release of aldosterone - Answers✔angiotensin II
increases the reabsorption of Na++ - Answers✔aldosterone
produced in the kidney and regulates GFR, renal vascular resistance, and renin production -
Answers✔prostaglandins
dilates renal vasculature to maintain renal blood flow - released after Angiotensin II -
Answers✔bradykinin
triggers RBC formation in marrow - Answers✔erythropoietin
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converted to active form in the kidney - Answers✔vitamin D
What is the normal value of creatinine? - Answers✔0.6-1.2 mg/dl
What is the best indication of renal failure and why? - Answers✔serum creatinine; no other
pathologic condition other than renal disease increases the serum Creatinine level
What is the normal value for BUN? - Answers✔10-20 mg/dl
indirect measure of overall hydration - Answers✔BUN
Who is the highest risk group of renal cell carcinoma? - Answers✔african american men
What are the clinical manifestations of renal cell carcinoma? - Answers✔- Often asymptomatic
until late in disease course
- CVA tenderness
- hematuria (late sign)
- palpable abdominal mass
- Bone pain, SOB, chest pain from metastatic disease (late)
What is the treatment for renal cell carcinoma? What is a major concern of this? -
Answers✔surgical removal (nephrectomy); blood loss
How long does it take for the second kidney to compensate when the first is removed? -
Answers✔may take days or weeks
Which RCC stage in the tumor within the capsule? - Answers✔stage I
Which RCC stage does the tumor extend into the renal vein or regional lymphatics? -
Answers✔stage III
Which RCC stage does the tumor invade in the perineal fat? - Answers✔stage II
Which RCC stage does metastasis to common areas occur? - Answers✔stage IV
How does hydrostatic pressure increase in relation of the obstruction? - Answers✔proximal
During obstruction, dilation follows with ____? - Answers✔reduction in GFR
What are the clinical manifestations of obstruction? - Answers✔hydroureter and hydronephrosis
obstruction in or below the ureter - Answers✔hydroureter
enlarged kidney due to dilation - Answers✔hydronephrosis
What are the potential treatments of obstruction? - Answers✔- surgical intervention to remove
calculi