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...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamArsenal. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
