Test
Lect 4 -Concepts and terminology
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Preguntas del test (38)
1Flow rate is how much [blank_start]urine[blank_end] you are [blank_start]producing[blank_end] per unit of [blank_start]time[blank_end]
- Aurine
- Burea
- Ctime
- Ddistance
- Eproducing
- Fconsuming
- Gvoiding
2GFR 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]
- Afluid
- Bblood
- Cbowmans capsule
- Dthe nephron
- Etime
- Fflow
3what is normal glomerular flow rate?
- A100-130ml/min
- B500-600ml/min
- C200-300ml/min
4Filtered load is the same as
- Atubular load
- BGFR
- CPlasma concentration of a solute
- Delectrolytes
5[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].
- AFiltered load
- Bamount of a specific solute
- Celectrolyte, glucose or amino acid
- Delectrolyte, carbohydrate or protein
- Esalt
- Fbowman's capsule
- Gthe kidney
- Hthe nephron
6Filtered Load can be calculated from [blank_start]GFR[blank_end] and [blank_start]Plasma concentration of solute[blank_end]
- AGFR
- Bblood flow
- CPlasma concentration of solute
- Dblood concentration of solute
- Eamount of urine produced
7Inulin is....
- Afreely filtered
- Bnot metabolised
- Cnot reabsorbed
- Dnot secreted
8Inulin
The excretion rate = ...- Aexcretion rate
- Bfiltration rate
- Cabsorption rate
- Dconsumption rate
9PAH is ...
- Afreely filtered
- Bnot metabolised
- Cnot reabsorbed
- Dfreely secreted
10What does clearance less than 125ml/min indicate?
- Areabsorption
- Bsecretion
11What does clearance more than 125ml/min indicate?
- Asecretion
- Babsorption
12What can be used to experimentally measure GFR?
- AInulin
- Bglucose
- CPAH
- Dcalcium
13What is elevated Pcr an indicator of?
- Areduced GFR
- Bincreased GFR
- Cnon changing GFR
14Threshold is....
- Aappearance of solute in urine before you reach the overall Transport maximum of the kidney
- Bthe plasma concentration at which a substance begins to appear in the urine
- Cthe tiny amount of solute appearing in urine when a single nephron reaches its maximum
- Dthe total transport maximum through out all of the nephrons in the kidney
15what is transport maximum?
- Athe total transport maximum through out all of the nephrons in the kidney
- BThe point at which an amount of solute appears in urine when nephrons reaches its maximum
- Cthe plasma concentration at which a substance begins to appear in the urine
- Dappearance of solute in urine before you reach the overall threshold of the kidney
- EThe maximum rate of the solute shuttling done by transporters
16How can renal function be measured?
- Aimaging techniques
- Brenal clearance
17The [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].
- Arenal
- Bvolume of plasma
- Cvolume of urine
- Dcleared of this substance
- E/ min
18What do we need to know to measure renal clearance?
- Avolume of urine / min
- Bconcentration of the substance mg/ml urine
- Cconcentration of the substance mg/ml plasma
- Dconcentration of the substance mg/ml blood
- Evolume of substrate / min
19What properties does a substance used in a plasma clearance test have?
- Adoes not enter RBCs
- Bdoes not affect normal renal function
- Cshould not be metabolized by the kidney
- Dshould be easily measured in plasma & urine
- Eshould be non toxic
- Fshould be easy to consume
20What do we use renal clearance for?
- Ameasurement of GFR
- Bmeasurement of the renal plasma flow rate
- Cdetermining the renal handling of the different substances; whether or not the substance is reabsorbed or secreted by the renal tubules
21What is the rate-limiting step in the tubular transport of glucose?
- ANa-glucose symport
- Bglucose uniporter
- Cglucose reabsorption
- Dca- glucose symport
22The plasma leaving the kidney through the renal veins lacks .....
- Athe substances that are eliminated in the urine
- Bproteins
- Cplasma
- Dthe substances that are not eliminated in the urine
23What is creatinine?
- Athe end product of creatine metabolism
- Bthe end product of creatinine metabolism
- Ca phospholipid
- Ddumped into the blood by smooth muscle
24Creatinine is continuously dumped into the blood by....
- Asmooth muscle
- Bskeletal muscle
- Ccardiac muscle
25the rate of creatinine appearance in blood is proportional to a person's ....
- Amuscle mass
- Bfat mass
- Curine excretion
- Dblood
26Creatinine is....
- Afreely filtered
- Bnot reabsorbed
- Creabsorbed
- Dnot freely filtered
27how much creatinine is secreted by the proximal tubule?
- A10-20%
- B40-50%
- C70-80%
- D85-100%
28There is a ______________ between plasma creatinine concentration and GFR.
- Ainverse correlation
- Bindirect correlation
- Cdirect relationship
- Ddirect correlation
29What is the most common method used for routine GFR assessments?
- Acreatinine clearance
- Binulin clearance
- CPAH clearance
- DPlasma clearance
30If there are more solutes present than can be transported, the solutes will end up...
- AIn urine
- BReabsorbed
- CIn the blood stream
- DExcreted in faeces
31Renal 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]
- Afiltration
- Burine
- Curea
- Dblood
- Efiltered
- Fexcreted
- Gre-absorption
- Hsecretion
32What percentage of clearance?
- AA= ?% B=?% C=0% D=100%
- BA= 0% B=50% C=0% D=100%
- CA= 100% B=0% C=?% D=?%
- DA= 25% B=25% C=25% D=25%
33Renal 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
- Amass
- Bbalance
- Cequal to
- Dmore than
- Eless than
- Fpressure
34fill in the formula
- AC
- BU
- CV
- DP
35Tm 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- A<
- B>
- C=
- Dlow
- Ehigh
- FPPAH
- GPAH
36Clearance units are [blank_start]volume[blank_end] per [blank_start]time[blank_end]
- Avolume
- Btime
- Cdistance
- Dmeter
- Esecond
- Fpressure
- Gflow
37Clearance 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].
- Asubstance removed
- Bplasma from which it was removed
38PAH is an abbreviation of ...
- Apara-aminohippurate
- Bpilo-acidic-hormone
- Cpregacilohinutrate
- Dprimary acid hilute
Información
- Descripción
- Quiz on Concepts and terminology, created by Alannah McDonnell on 22/03/2018.
- Autor
- Alannah McDonnell
- Idioma
- English
- Visitas
- 27
- Etiquetas
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