Question 1
Question
Flow rate is how much [blank_start]urine[blank_end] you are [blank_start]producing[blank_end] per unit of [blank_start]time[blank_end]
Answer
-
urine
-
urea
-
time
-
distance
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producing
-
consuming
-
voiding
Question 2
Question
GFR is the amount of [blank_start]fluid[blank_end] going into [blank_start]bowmans capsule[blank_end] per unit of [blank_start]time[blank_end]
Answer
-
fluid
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blood
-
bowmans capsule
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the nephron
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time
-
flow
Question 3
Question
what is normal glomerular flow rate?
Answer
-
100-130ml/min
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500-600ml/min
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200-300ml/min
Question 4
Question
Filtered load is the same as
Question 5
Question
[blank_start]Filtered load[blank_end] / tubular load is the [blank_start]amount of a specific solute[blank_end] ([blank_start]electrolyte, glucose or amino acid[blank_end]) entering [blank_start]bowman's capsule[blank_end].
Answer
-
Filtered load
-
amount of a specific solute
-
electrolyte, glucose or amino acid
-
electrolyte, carbohydrate or protein
-
salt
-
bowman's capsule
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the kidney
-
the nephron
Question 6
Question
Filtered Load can be calculated from [blank_start]GFR[blank_end] and [blank_start]Plasma concentration of solute[blank_end]
Question 7
Answer
-
freely filtered
-
not metabolised
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not reabsorbed
-
not secreted
Question 8
Question
Inulin
The excretion rate = ...
Answer
-
excretion rate
-
filtration rate
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absorption rate
-
consumption rate
Question 9
Answer
-
freely filtered
-
not metabolised
-
not reabsorbed
-
freely secreted
Question 10
Question
What does clearance less than 125ml/min indicate?
Question 11
Question
What does clearance more than 125ml/min indicate?
Question 12
Question
What can be used to experimentally measure GFR?
Answer
-
Inulin
-
glucose
-
PAH
-
calcium
Question 13
Question
What is elevated Pcr an indicator of?
Answer
-
reduced GFR
-
increased GFR
-
non changing GFR
Question 14
Question
Threshold is....
Answer
-
appearance of solute in urine before you reach the overall Transport maximum of the kidney
-
the plasma concentration at which a substance begins to appear in the urine
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the tiny amount of solute appearing in urine when a single nephron reaches its maximum
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the total transport maximum through out all of the nephrons in the kidney
Question 15
Question
what is transport maximum?
Answer
-
the total transport maximum through out all of the nephrons in the kidney
-
The point at which an amount of solute appears in urine when nephrons reaches its maximum
-
the plasma concentration at which a substance begins to appear in the urine
-
appearance of solute in urine before you reach the overall threshold of the kidney
-
The maximum rate of the solute shuttling done by transporters
Question 16
Question
How can renal function be measured?
Answer
-
imaging techniques
-
renal clearance
Question 17
Question
The [blank_start]renal[blank_end] clearance value of a certain substance is the [blank_start]volume of plasma[blank_end] which is [blank_start]cleared of this substance[blank_end] by the kidney into urine [blank_start]/ min[blank_end].
Question 18
Question
What do we need to know to measure renal clearance?
Answer
-
volume of urine / min
-
concentration of the substance mg/ml urine
-
concentration of the substance mg/ml plasma
-
concentration of the substance mg/ml blood
-
volume of substrate / min
Question 19
Question
What properties does a substance used in a plasma clearance test have?
Answer
-
does not enter RBCs
-
does not affect normal renal function
-
should not be metabolized by the kidney
-
should be easily measured in plasma & urine
-
should be non toxic
-
should be easy to consume
Question 20
Question
What do we use renal clearance for?
Question 21
Question
What is the rate-limiting step in the tubular transport of glucose?
Answer
-
Na-glucose symport
-
glucose uniporter
-
glucose reabsorption
-
ca- glucose symport
Question 22
Question
The plasma leaving the kidney through the renal veins lacks .....
Question 23
Question
What is creatinine?
Answer
-
the end product of creatine metabolism
-
the end product of creatinine metabolism
-
a phospholipid
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dumped into the blood by smooth muscle
Question 24
Question
Creatinine is continuously dumped into the blood by....
Answer
-
smooth muscle
-
skeletal muscle
-
cardiac muscle
Question 25
Question
the rate of creatinine appearance in blood is proportional to a person's ....
Answer
-
muscle mass
-
fat mass
-
urine excretion
-
blood
Question 26
Question
Creatinine is....
Answer
-
freely filtered
-
not reabsorbed
-
reabsorbed
-
not freely filtered
Question 27
Question
how much creatinine is secreted by the proximal tubule?
Answer
-
10-20%
-
40-50%
-
70-80%
-
85-100%
Question 28
Question
There is a ______________ between plasma creatinine concentration and GFR.
Answer
-
inverse correlation
-
indirect correlation
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direct relationship
-
direct correlation
Question 29
Question
What is the most common method used for routine GFR assessments?
Answer
-
creatinine clearance
-
inulin clearance
-
PAH clearance
-
Plasma clearance
Question 30
Question
If there are more solutes present than can be transported, the solutes will end up...
Answer
-
In urine
-
Reabsorbed
-
In the blood stream
-
Excreted in faeces
Question 31
Question
Renal clearance is comparison of [blank_start]filtration[blank_end] rate of a substance to the rate of it's appearance in the [blank_start]urine[blank_end] i.e. Amount [blank_start]filtered[blank_end] vs amount [blank_start]excreted[blank_end]. It gives info on [blank_start]re-absorption[blank_end] and [blank_start]secretion[blank_end]
Answer
-
filtration
-
urine
-
urea
-
blood
-
filtered
-
excreted
-
re-absorption
-
secretion
Question 32
Question
What percentage of clearance?
Answer
-
A= ?% B=?% C=0% D=100%
-
A= 0% B=50% C=0% D=100%
-
A= 100% B=0% C=?% D=?%
-
A= 25% B=25% C=25% D=25%
Question 33
Question
Renal clearance principle is based on the principle of [blank_start]mass[blank_end] [blank_start]balance[blank_end]. Input of X is [blank_start]equal to[blank_end] output of X
Answer
-
mass
-
balance
-
equal to
-
more than
-
less than
-
pressure
Question 34
Question
fill in the formula
Question 35
Question
Tm for PAH secretory mechanism ~80mg/ml.
PPAH [blank_start]<[blank_end] 80mg/ml = good estimation of RPF
PPAH [blank_start]>[blank_end] 80mg/ml = poor estimation of RPF
At [blank_start]low[blank_end] [blank_start]PPAH[blank_end]: [blank_start]PAH[blank_end] clearance [blank_start]=[blank_end] RPF
Question 36
Question
Clearance units are [blank_start]volume[blank_end] per [blank_start]time[blank_end]
Answer
-
volume
-
time
-
distance
-
meter
-
second
-
pressure
-
flow
Question 37
Question
Clearance is not the amount of the [blank_start]substance removed[blank_end] but instead the volume of [blank_start]plasma from which it was removed[blank_end].
Question 38
Question
PAH is an abbreviation of ...
Answer
-
para-aminohippurate
-
pilo-acidic-hormone
-
pregacilohinutrate
-
primary acid hilute