NUR 256

NUR 265 ADVANCED EXAM 1 REVIEW Anatomy of the Kidney: - The nephron is the functional unit of the kidney. - Normal GFR is 120-125. - If 75% of nephrons quit = renal insufficiency. - Kidneys are sensitive to changes in cardiac output. VOLUME DEPENDENT. A decrease in urine output indicates a decrease in cardiac output. - If the SBP is below 70 for over 40 minutes, the kidney will become hypo then ischemic. - If the SBP drops, the arterioles dilate. If the SBP elevate, arterioles constrict. ...