CRCST Practice Test
Questions and Correct
Answers Updated 2026
TrueBorBFalse:
SometimesBStateBorBlocalBregulationsBdifferBfromBFederalBregulationsBandBwhenBthatB
happens,BtheBmostBstringentBregulationsBapply.B-BAnswerBTrue
WhichBtypeBofBfireBextinguisherBshouldBbeBusedBonBflammableBliquids?
-BTypeBA
-BTypeBB
-BTypeBC
-BTypeBDB-BAnswerBTypeBB
DeionizedBwaterBisBusedBfor:
-SterileBirrigation
-BHeating/coolingBtherapyBunits
-BInjection
-BSteamBsterilizersB-BAnswerBSterileBIrrigation
MinimumBRecommendationsBforBEtOBAeration
-B8BhoursBatB140BFBorB12BhoursBatB122BF
-B8BhoursBatB140BFBorB10BhoursBatB122BF
, -B6BhoursBatB140BFBorB8BhoursBatB122BFB-
BAnswerB8BhoursBatB140BFBorB12BHoursBatB122F
WhichBofBtheBfollowingBsterilizationBqualityBassuranceBmeasurementsBisBdesignedBtoB
provideBaBwrittenBrecordBofBsterilizerBcycleBactivity:B
-BBiologicalBtests
-BBowieBdickBtests
-BMechanicalBrecordingBcharts/printouts
-BChemicalBintegratorsB-BAnswerBMechanicalBrecordingBcharts/printouts
Thread-likeB"tails"BthatBhelpBbacteriaBmoveBthroughBliquidsBareBcalled:
-BNucleus
-BCausativeBagent
-BFlagella
-BSporesB-BAnswerBFlagella
TrueBorBFalse:
AnaerobicBbacteriaBrequireBfreeBoxygenBtoBlive.B-BAnswerBFalse
TrueBorBFalse:
InstrumentsBareBheatBtreatedBtoBgiveBtheirBsurfaceBaBmirrorB(shiny)Bfinish.B-
BAnswerBFalse
WaterBthatBisBturbidBis:
-BHot
-BTepid
-BClear
-BCloudyB-BAnswerBCloudy