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CCHT PRACTICE EXAM| study guide verified A+

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CCHT PRACTICE EXAM| study guide verified A+CCHT PRACTICE EXAM| study guide verified A+ True or False: Peritoneal dialysis (PD) differs from hemodialysis in that PD access is by an intra-abdominal catheter - correct answer-TRUE The term :sieving coefficient of a membrane" refers to the: a. fraction of solute that passes through the membrane by convection b. amount of water required for solute drag through the membrane c. concentration of pores in the membrane d. seize of the pores in the membrane - correct answer-a. fraction of solute that passes through the membrane by convection Water moves from one body compartment to another by: a. ultrafiltration b. active transport c. osmotic forces d. all of the above - correct answer-c. osmotic forces Which of the following will set off the prepump high-pressure alarm? a. an increase in the blood pump speed b. kinking of the arterial bloodline c. a decrease in the blood pump speed d. infiltration of the arterial needle - correct answer-c. a decrease in the blood pump speed A low-pressure alarm in the venous (postdialyzer) line is likely to be set off by: a. a blockage in the blood tubing between the monitoring site and the venous needle b. an infiltration of the venous needle c. a clot in the venous access d. a blockage in the blood tubing before the monitoring site - correct answer-d. a blockage in the blood tubing before the monitoring site Which of the following statements about an air detector is correct? a. it is present in the predialyzer blood tubing b. it uses an ultrasonic device to detect air in the blood path c. it sets off an alarm and clamps the predialyzer blood tubing d. all of the above statements are correct - correct answer-b. it uses an ultrasonic device to detect air in the blood path How is the anticoagulant heparin given during the dialysis treatment? a. intermittently b. as a single bolus c. by continuous infusion d. by all of the above ways - correct answer-d. by all of the fabove ways The main difference between an arteriovenous shunt (AVS) and an arteriovenous fistula (AVF) is... - correct answer-AVF is entirely within the arm Biocompatibility is best illustrated by: a. synthetic membranes that do not absorb blood proteins as well as cellulose membranes b. independence from protein adsorption of the membrane c. reprocessed dialyzers that have a lower biocompatibility than new ones d. reprocessed dialyzers that have a better biocompatibility than new ones - correct answer-d. reprocessed dialyzers that have a better biocompatibility than new ones The amount of fluid to be taken from the patient during hemodialysis: a. is independent of the filtration pressure b. requires the dialysate to have a higher pressure than the blood c. may be calculated by subtracting the patient's estimated dry weight from the predialysis weight and adding any fluid the patient receives during treatment d. may be calculated by adding the patient's predialysis weight and the amount of fluid the patient receives during treatment - correct answer-c. may be calculated by subtracting the patient's estimated dry weight from the predialysis weight and adding any fluid the patient receives during treatment The ultra filtration coefficient of a dialyzer refers to the: a. fluid that passes through the membrane in 1 hour b. pressure in the blood compartment needed to force fluid through the membrane c. pressure difference across the membrane d. fluid that passes through the membrane in 1 minute - correct answer-a fluid that passes through the membrane in 1 hour A sorbent is best described as a: a. material th

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CCHT PRACTICE EXAM| study guide veri
os os os os os




fied A+ os




TrueosorosFalse:osPeritonealosdialysisos(PD)osdiffersosfromoshemodialysisosinosthatosPDosaccessosisosbyosanosintra-
abdominaloscatheteros-oscorrectosanswer-TRUE

Theostermos:sievingoscoefficientosofosaosmembrane"osrefersostoosthe:os

a.osfractionosofossoluteosthatospassesosthroughostheosmembraneosbyosconvection

b.osamountosofoswaterosrequiredosforossoluteosdragosthroughostheosmembrane

c.osconcentrationosofosporesosinostheosmembrane

d.osseizeosofostheosporesosinostheosmembraneos-oscorrectosanswer-
a.osfractionosofossoluteosthatospassesosthroughostheosmembraneosbyosconvection

Waterosmovesosfromosoneosbodyoscompartmentostoosanotherosby:

a.osultrafiltration

b.osactiveostransport

c.ososmoticosforces

d.osallosofostheosaboveos-oscorrectosanswer-c.ososmoticosforces

Whichosofostheosfollowingoswillossetosoffostheosprepumposhigh-pressureosalarm?

a.osanosincreaseosinostheosbloodospumposspeed

b.oskinkingosofostheosarterialosbloodline

c.osaosdecreaseosinostheosbloodospumposspeed

d.osinfiltrationosofostheosarterialosneedleos-oscorrectosanswer-c.osaosdecreaseosinostheosbloodospumposspeed

Aoslow-pressureosalarmosinostheosvenousos(postdialyzer)oslineosisoslikelyostoosbeossetosoffosby:

a.osaosblockageosinostheosbloodostubingosbetweenostheosmonitoringossiteosandostheosvenousosneedle

b.osanosinfiltrationosofostheosvenousosneedle

c.osaosclotosinostheosvenousosaccess

d.osaosblockageosinostheosbloodostubingosbeforeostheosmonitoringossiteos-oscorrectosanswer-
d.osaosblockageosinostheosbloodostubingosbeforeostheosmonitoringossite

Whichosofostheosfollowingosstatementsosaboutosanosairosdetectorosisoscorrect?

,a.ositosisospresentosinostheospredialyzerosbloodostubing

b.ositosusesosanosultrasonicosdeviceostoosdetectosairosinostheosbloodospath

c.ositossetsosoffosanosalarmosandosclampsostheospredialyzerosbloodostubing

d.osallosofostheosaboveosstatementsosareoscorrectos-oscorrectosanswer-
b.ositosusesosanosultrasonicosdeviceostoosdetectosairosinostheosbloodospath

Howosisostheosanticoagulantosheparinosgivenosduringostheosdialysisostreatment?

a.osintermittently

b.osasosaossingleosbolus

c.osbyoscontinuousosinfusion

d.osbyosallosofostheosaboveoswaysos-oscorrectosanswer-d.osbyosallosofostheosfaboveosways

Theosmainosdifferenceosbetweenosanosarteriovenousosshuntos(AVS)osandosanosarteriovenousosfistulaos(AVF)osis...os
-oscorrectosanswer-AVFosisosentirelyoswithinostheosarm

Biocompatibilityosisosbestosillustratedosby:

a.ossyntheticosmembranesosthatosdoosnotosabsorbosbloodosproteinsosasoswellosasoscelluloseosmembranes

b.osindependenceosfromosproteinosadsorptionosofostheosmembrane

c.osreprocessedosdialyzersosthatoshaveosaoslowerosbiocompatibilityosthanosnewosones

d.osreprocessedosdialyzersosthatoshaveosaosbetterosbiocompatibilityosthanosnewosonesos-oscorrectosanswer-
d.osreprocessedosdialyzersosthatoshaveosaosbetterosbiocompatibilityosthanosnewosones

Theosamountosofosfluidostoosbeostakenosfromostheospatientosduringoshemodialysis:

a.osisosindependentosofostheosfiltrationospressure

b.osrequiresostheosdialysateostooshaveosaoshigherospressureosthanostheosblood

c.osmayosbeoscalculatedosbyossubtractingostheospatient'sosestimatedosdryosweightosfromostheospredialysisosweighto
sandosaddingosanyosfluidostheospatientosreceivesosduringostreatment



d.osmayosbeoscalculatedosbyosaddingostheospatient'sospredialysisosweightosandostheosamountosofosfluidostheospatie
ntosreceivesosduringostreatmentos-oscorrectosanswer-
c.osmayosbeoscalculatedosbyossubtractingostheospatient'sosestimatedosdryosweightosfromostheospredialysisosweighto
sandosaddingosanyosfluidostheospatientosreceivesosduringostreatment



Theosultraosfiltrationoscoefficientosofosaosdialyzerosrefersostoosthe:os

a.osfluidosthatospassesosthroughostheosmembraneosinos1oshour

b.ospressureosinostheosbloodoscompartmentosneededostoosforceosfluidosthroughostheosmembrane

c.ospressureosdifferenceosacrossostheosmembrane

, d.osfluidosthatospassesosthroughostheosmembraneosinos1osminuteos-oscorrectosanswer-
aosfluidosthatospassesosthroughostheosmembraneosinos1oshour

Aossorbentosisosbestosdescribedosasosa:

a.osmaterialosthatosmoisturizesostheosdialysisosmembrane

b.osmaterialosthatosisosaddedostoostheosdialysateostoosbufferositosandoskeepostheospHosconstant

c.oscontinuousosdialysateosdisinfectionossystemosthatosremovesosbacteriaosandosendotoxins

d.ostypeosofoselectronicosdeviceosthatosmeasuresosbloodospressureos-oscorrectosanswer-
c.oscontinuousosdialysateosdisinfectionossystemosthatosremovesosbacteriaosandosendotoxins

Whichosofostheosfollowingosstatementsosaboutossorbentosdialysisosisoscorrect?

a.ositosneedsosaoscontinuousossupplyosofosfreshoswaterostoosaddostoosnewosdialysate

b.osinospreparingostheosdialysate,os6oslitersosofoswaterosareosaddedostoospremixedoschemicals

c.ostheosdurationosofostheosdialysisosprocedureoscannotosbeosaltered

d.ositosrequiresosaossix-layeredoscartridgeos-oscorrectosanswer-
b.osinospreparingostheosdialysate,os6oslitersosofoswaterosareosaddedostoospremixedoschemicals

Whichosdialyzerosisosusedoscurrently?os-oscorrectosanswer-Hollowostube

Whichostypeosofosarteriovenousosfistulaosisoslikelyostoosresultosinoshighosbloodosflowoswithostheosfewestoscomplicati
ons?

a.osArteryossideostoosveinosside

b.osArteryossideostoosveinosend

c.osArteryosendostoosveinosside

d.osArteryosendostoosveinosendos-oscorrectosanswer-b.osArteryossideostoosveinosend

Foroswhichostypeosofosdialysisospatientosisosaoscentralosvenousoscatheterosbloodosaccessosappropriate?

a.osaospatientoswaitingosforosfistulaostoosmature

b.osaospatientoswithosacuteosrenalosfailure

c.osaospatientoswaitingosforosaosperitonealosdialysisoscatheter

d.osallosofostheosaboveospatientsos-oscorrectosanswer-d.osallosofostheosaboveospatients

DriposchambersosinostheosextracorporealoscirculationosdoosallostheosfollowingosEXCEPT:

a.osmonitorosarterialosandosvenousospressureosbyosattachedosgauges

b.ostraposair

c.ospreventosbloodosclotsosfromosreachingostheospatient

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