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NUR 612 EXAM 5 Questions and Answers

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A WT1 mutation of Cr11 describes what urinary disorder? ~ Wilm's tumor 3 y/o patient with mother presents to the office. Mother voices concerns over a large abdominal mass. Mother notes that he was born with congenital GU abnormalities and without an iris. You notice that one side of this pa...

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  • 5 de agosto de 2024
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  • NUR 612
  • NUR 612
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NUR 612 EXAM 5
Questions and Answers
How much % CO do the kidneys recieve?


✓~ 20-25%




"filters essential substances and reabsorbs substances needed to maintain normal

composition" describes what organ?


✓~ the KIDNEY!




SATA: Which of the following mechanisms controls RBF?

a. intrinsic

b. autoregulation

c. extrinsic

d. protein & glucose

e. sympathetic controls


✓~ a, c, d

Intrinsic, extrinsic and protein and glucose

,Of the intrinsic regulation of RBF, the juxtaglomerular complex contains _________

necessary to convert angiotensinogen to angiotensin I


✓~ Renin




What RBF intrinsic regulation mechanism has this function:

"plays essential feedback role in linking ABP and RBF to GFR"


✓~ Juxtaglomerular complex




How does a sympathetic NS stimulating event like shock or trauma affect RBF?


✓~ Afferent and Efferent arteriole constriction --> decreased RBF, GFR --> decreased

UOP




What affect do blood borne hormones angiotensin II, ADH, endothelins have on

RBF?


✓~ vasoCONSTRICTION




What affect do blood borne hormones dopamine, nitric oxide, prostaglandinds have

on RBF?


✓~ vasoDILATION




[T/F]: NSAIDS INCREASE RBF

,✓~ False!

NSAIDS inhibit prostaglandin synthesis --> decreased RBF and GFR




How does a decreased GFR affect Na + Cl?


✓~ increased Na + Cl reabsorption --> decreased Na + Cl to the macula densa




What are the results of decreased Na + Cl to the macula densa?


✓~ 1. decreased resistance in afferent arterioles --> increased GFR

2. increased renin release from JG cells




Describe how protein and glucose affects RBF


✓~ amino acids and Na absorbed together --> decreased Na to macula densa --> JG cell

activation --> increased RBF




Where are the glomeruli and convoluted tubules located?


✓~ in the cortex




Renal pyramids, loop of henle, renal pelvis and collecting system are located

________


✓~ in the medulla

, Afferent arteriole is supplied by ________


✓~ interlobar ARTERY




Efferent arteriole is supplied by ________


✓~ interlobar VEIN




Where are most nephrons located?


✓~ 85% are cortical

(short distance)




The juxtamedullary nephrons are the primary site of __________

__________________


✓~ urine concentration




[T/F]: the glomerulus is a low pressure capillary filtration system


✓~ FALSE - it is HIGH pressure

due to the hydrostatic pressure




_________ is protein free plasma


✓~ Filtrate

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