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NUR 612 - EXAM 5 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions $13.48   Add to cart

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NUR 612 - EXAM 5 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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NUR 612 - EXAM 5 | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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  • August 5, 2024
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NUR 612 - EXAM 5 | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions


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

[T/F]: blood flows IN the Afferent arteriole and OUT of the Efferent arteriole - TRUE
"A comes before E"

Efferent arteriole --> peritubular capillaries is a low pressure system adapted for
______________ - Reabsorption

[SATA]: Which of the following PASSIVELY diffuses in the nephron tubules?
a. sodium
b. glucose
c. water
d. potassium
e. chloride
f. urea
g. phosphate
h. calcium
i. amino acids - c, f
water and urea

[SATA]: Which of the following ACTIVELY diffuses in the nephron tubules?
a. sodium
b. glucose
c. water
d. potassium
e. chloride
f. urea

, g. phosphate
h. calcium
i. amino acids - a, b, d, e, g, h, i
sodium (Na+), glucose, potassium (K+), chloride (Cl-), phosphate (PO4+), calcium
(Ca2+), amino acids

Describe how normal UOP (60 mL urine/ hr) is calculated? - GFR = 125 mL/ min
Reabsorption of H2O = 124 mL/ min

Which of these drains the Bowman's capsule?
a. proximal convoluted tubule
b. ascending loop of henle
c. distal convoluted tubule
d. collecting tubule - a. proximal convoluted tubule

Where does 65% of glucose, amino acids and electrolytes get absorbed?
a. proximal convoluted tubule
b. ascending loop of henle
c. distal convoluted tubule
d. collecting tubule - a. proximal convoluted tubule

Define transport maximum - MAX amount of substance that the system can
REABSORB

Define renal threshold - Amount of substance filtered EXCEEDS transport maximum
- plasma level at which substance appears in urine
(ex: uncontrolled DM --> glucosuria)

The Loop of Henle ALWAYS absorbs more ____ + ______ than water - Na and Cl

Which Loop of Henle is called the "concentrating segment"?
a. thin descending limb
b. thin ascending limb
c. thick ascending limb - a. thin descending limb

{T/F}: The thin descending limb is NOT permeable to water? - False! The thin
descending limb is VERY permeable to water

Which way does water move through the thin descending limb? - Water moves OUT of
the filtrate into the interstitum

[T/F]: The thin ascending limb is VERY permeable to water - False! The thin ascending
limb is NOT very permeable to water

The "diluting segment" is another name for this part of the Loop of Henle
a. thin descending limb

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