MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Practice
Ch 18 Quiz
«
Multiple Choice Questions
»
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
The clearance of what substance provides the best estimate of renal blood flow rate?
0%
INULIN
0%
glucose
0%
OSMOLARITY
0%
PAH
Changes in mean arterial pressure have the potential to alter glomerular filtration rate by directlyaltering which of the following?
0%
glomerular capillary hydrostatic pressure
0%
detrusor and the internal urethral sphincter
0%
glomerular filtration pressure
0%
Bowman's capsule oncotic pressure
Located entirely within the cortex, reabsorption of water and certain solutes from which region isunder hormonal control?
0%
detrusor muscle only.
0%
basement membrane
0%
distal tubule
0%
antidiuretic hormone
Which of the following pressures across the glomerular capillaries approaches zero?
0%
Bowman's capsule
0%
left the filtrate iso-osmotic
0%
glomerular filtration rate × plasma concentration of solute
0%
Bowman's capsule oncotic pressure
Which cells of the distal tubule secrete a paracrine in response to changes in the filtrate flow rate? 8
0%
C) (PGC +ȱΔBC) - (PBC +ȱΔGC)
0%
macula densa
0%
basement membrane
0%
macula densa cells
What is the brush border?
0%
filtration fraction
0%
apical membrane of renal tubule epithelial cells
0%
microvilli on the apical membrane of the proximal tubule
0%
glomerular filtration rate × plasma concentration of solute
The clearance of which of the following substances is normally zero?
0%
PAH
0%
clearance
0%
glucose
0%
kidneys
How does the sympathetic nervous system decrease glomerular filtration rate?
0%
glomerular filtration rate × plasma concentration of solute
0%
reabsorption
0%
stimulates constriction of both the afferent and efferent arterioles
0%
glomerular capillary osmotic pressure : filtration
In terms of controlling micturition, the somatic nervous system innervates the ________, theparasympathetic nervous system innervates the ________, and the sympathetic nervous systeminnervates the ________.
0%
external urethral sphincter : detrusor muscle : internal urethral sphincter
0%
ureter : urethra
0%
secretion into the renal tubules
0%
flow of tubular fluid : constrict the afferent arteriole
Tubular epithelial cells of the collecting duct and distal tubule contain receptors for what hormonethat stimulates water reabsorption?
0%
antidiuretic hormone
0%
ureter : urethra
0%
distal tubule
0%
stretch receptors
Within the kidneys, what membrane has microvilli?
0%
FILTER LOAD
0%
apical membrane of renal tubule epithelial cells
0%
microvilli on the apical membrane of the proximal tubule
0%
glomerular filtration rate × plasma concentration of solute
What are the specialized cells of the juxtaglomerular apparatus in the distal tubule called?
0%
macula densa
0%
Bowman's capsule
0%
macula densa cells
0%
clearance
If the amount of solute excreted per minute is greater than the filtered load, then the NET effect onthe solute is
0%
C) (PGC +ȱΔBC) - (PBC +ȱΔGC)
0%
glomerular filtration pressure
0%
decrease in surface area of capillaries available for filtration
0%
secretion into the renal tubules
Where does blood leaving the glomerulus go next?
0%
FILTER LOAD
0%
basement membrane
0%
efferent arteriole
0%
Bowman's capsule
Which of the following equations is correct for calculating the filtered load?
0%
microvilli on the apical membrane of the proximal tubule
0%
glomerular filtration rate × plasma concentration of solute
0%
detrusor and the internal urethral sphincter
0%
peritubular and vasa recta, respectively
What is the (urine concentration × urine flow rate)/plasma concentration equal to?
0%
clearance
0%
nephron
0%
macula densa
0%
FILTER LOAD
Which of the following conditions would increase glomerular filtration pressure?
0%
renal artery, segmental arteries, interlobar arteries, arcuate arteries, interlobular arteries,afferent arteriole, glomerulus, efferent arteriole (R.S.I.A.I.A.G)
0%
Which of the following conditions would increase glomerular filtration pressure?
0%
macula densa
0%
The detrusor muscles contract, muscles of the internal urethral sphincter relax, and muscles ofthe external urethral sphincter relax
The diffusion of water across a tubule is driven by differences in ________ across the membrane.
0%
glucose
0%
distal tubule
0%
stretch receptors
0%
OSMOLARITY
Substance X is freely filtered at the glomerulus. 3 mmole X is filtered, 2 mmole X is reabsorbed, and2 mmole X is secreted per minute. How much X is excreted per minute?
0%
basement membrane
0%
INULIN
0%
2 MMOLE
0%
distal tubule
Which of the four Starling forces for glomerular filtration is incorrectly paired with the direction itfavors (filtration or absorption)?
0%
reabsorption
0%
Bowman's capsule oncotic pressure
0%
glomerular filtration rate × plasma concentration of solute
0%
glomerular capillary osmotic pressure : filtration
If the glomerular filtration rate is 150 mL/min, renal blood flow is 750 mL/min, and the plasmaconcentration of solute X is 10 ng/mL, then what is the filtration fraction?
0%
reabsorption
0%
juxtamedullary nephrons
0%
PAH
0%
20%
What is the excretion rate/plasma concentration equal to?
0%
macula densa
0%
renal blood flow
0%
clearance
0%
filtration fraction
In tubuloglomerular feedback, an increase in glomerular filtration rate would increase the________, thereby stimulating the release of a paracrine factor from the macula densa that would________.
0%
peritubular and vasa recta, respectively
0%
decrease in surface area of capillaries available for filtration
0%
flow of tubular fluid : constrict the afferent arteriole
0%
Which of the following conditions would increase glomerular filtration pressure?
If the glomerular filtration rate is 150 mL/min, renal blood flow is 750 mL/min, and the plasmaconcentration of solute X is 10 ng/mL, then what is the filtered load of X?
0%
INULIN
0%
1500 ng/min
0%
secretion into the renal tubules
0%
20%
Which layer of the filtration barrier in Bowman's capsule is the primary barrier to the movement ofprotein from the capillary?
0%
detrusor muscle only.
0%
basement membrane
0%
macula densa
0%
C) (PGC +ȱΔBC) - (PBC +ȱΔGC)
Most reabsorption occurs in the ________ and is ________.
0%
apical membrane of renal tubule epithelial cells
0%
Bowman's capsule
0%
secretion into the renal tubules
0%
proximal tubule : not regulated
What is the sum of Starling's forces within the renal corpuscle called?
0%
glomerular filtration pressure
0%
left the filtrate iso-osmotic
0%
glomerular filtration rate × plasma concentration of solute
0%
Bowman's capsule oncotic pressure
Which equation describes the calculation of glomerular filtration pressure (BC = Bowman's capsuleand GC = glomerular capillary)?
0%
macula densa cells
0%
C) (PGC +ȱΔBC) - (PBC +ȱΔGC)
0%
secretion into the renal tubules
0%
peritubular and vasa recta, respectively
What are a small percentage of the nephrons in the kidneys that function in the maintenance of theosmotic gradient in the medullary region of the kidney called?
0%
juxtamedullary nephrons
0%
macula densa
0%
glomerular capillary hydrostatic pressure
0%
glomerular filtration pressure
Which capillaries branch from efferent arterioles of cortical nephrons and which branch fromefferent arterioles of juxtamedullary nephrons?
0%
glomerular capillary hydrostatic pressure
0%
glomerular filtration pressure
0%
peritubular and vasa recta, respectively
0%
glomerular filtration rate × plasma concentration of solute
Which muscle(s) that regulate(s) micturition is/are under involuntary control?
0%
detrusor and the internal urethral sphincter
0%
renal artery, segmental arteries, interlobar arteries, arcuate arteries, interlobular arteries,afferent arteriole, glomerulus, efferent arteriole (R.S.I.A.I.A.G)
0%
glomerular filtration pressure
0%
Bowman's capsule oncotic pressure
In older children and adults, the cerebral cortex is able to block micturition by inhibiting nerveactivity to the
0%
distal tubule
0%
detrusor muscle only.
0%
basement membrane
0%
antidiuretic hormone
In diabetes mellitus, why does polyuria occur?
0%
apical membrane of renal tubule epithelial cells
0%
The detrusor muscles contract, muscles of the internal urethral sphincter relax, and muscles ofthe external urethral sphincter relax
0%
Hyperglycemia causes some glucose to remain in the renal tubules which pulls water with itby osmosis
0%
FILTER LOAD
Contraction of mesangial cells results in a(n) ________, which decreases glomerular filtration
0%
Which of the following conditions would increase glomerular filtration pressure?
0%
external urethral sphincter : detrusor muscle : internal urethral sphincter
0%
decrease in surface area of capillaries available for filtration
0%
glomerular capillary hydrostatic pressure
What is the GFR × plasma concentration equal to?
0%
filtration fraction
0%
renal blood flow
0%
nephron
0%
FILTER LOAD
What is the GFR/renal plasma flow equal to?
0%
renal blood flow
0%
filtration fraction
0%
FILTER LOAD
0%
Bowman's capsule
Filtration occurs across which capillary bed?
0%
clearance
0%
nephron
0%
FILTER LOAD
0%
glomerulus
0 h : 0 m : 1 s
«
Multiple Choice Questions
»
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
0
Answered
0
Not Answered
0
Not Visited
Correct : 0
Incorrect : 0
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page