NURS 115 EXAM 4 Questions and
Answers 100% Solved | Rated A+
function of glomerulus - producing an "ultrafiltrate of urine" - final copy
-pressure is 2-3x higher than other capillaries
function of loop of henle - controls concentration of water.
reabsorbs water, solutes, necessities via osmosi...
-unlike creatinine, levels can be affected by protein intake, GI bleed, and
dehydration
how much of the renal function must be gone before BUN is increased? -
✔✔2/3
normal range for BUN - ✔✔8.0-20.0 mg/dL
creatinine clearance rate - ✔✔two ways
1) 24 hr urine - choose a timeframe. keep it over ice or fridge if done at
home. draw blood after.
2) two 1-hr urine are collected with blood drawing in between
normal: 100-125 ml/min
cytoscopy - ✔✔direct visualization of the internal structures
-can show stone formation, biopsies, lesion.
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