Test Bank For Urinalysis and Body Fluids, 6th Edition

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Chapter 1:Safetyand Quality AssessmentMultiple Choice1. Laboratory equipment and other inanimate objects serve as what in the chain of infection?A.HostB.ReservoirC.Point of entryD.Point of exitANS: BDIF: Level 1OBJ: 1TOP: Biologichazards2. The chain of infection includes all of the followingexcepta:A.SourceB.HostC.DisinfectantD.Transmission methodANS: CDIF: Level 2OBJ: 1TOP: Biologichazards3.You arrive to work in the clinical laboratorywith a small cut on your hand.Your supervisorpulls you from specimen collection (phlebotomy) duties for the day,citing chain of infectionprotocols. Why is your supervisor concerned aboutthecut on your hand?A.Becauseyou will not have the mobility in your hand toproperlycollect bloodB.Becauseyou are going to have to wear a bandage all day longC.Becauseyou have a point of entry that could expose you to infectious agentsD.Becauseyou are going to be an active transmitter of infection onto general surfacesANS: CDIF: Level 3OBJ: 1TOP: Biologichazards

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4. Centrifuging an uncapped tube of urine is most likely to produce a/an:A.Electrical shockB.Broken tubeC.UnbalancingD.AerosolANS: DDIF: Level 2OBJ: 2TOP: Biologichazards5.Which of the followingguidelines tellslaboratory personnel to consider all patients aspossible carriers of blood-borne pathogens?A. UrinalysisprecautionsB. Blood-borne pathogen precautionsC.StandardprecautionsD. Body fluid precautionsANS: CDIF: Level 1OBJ: 2TOP: Biologichazards6. TheCenters for Disease Control (CDC)recommends thatuniversalprecautions be followedwhen encountering:A.Specimens containing visible bloodB.Patients who are infected with blood-borne pathogensC.All body fluid specimensD.Specimens that may produce aerosolsANS: ADIF: Level 1OBJ: 2TOP: Biologichazards7.Which of the followingCDCguidelines considersall moist body substances to be potentiallyinfectiousand stresses handwashing?

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A. UniversalprecautionsB. Body fluid precautionsC.StandardprecautionsD. Health-care personnel standardsANS: CDIF: Level 1OBJ: 3TOP: Biologichazards8. The Occupational Exposure to Blood-Borne Pathogens Standard is:A.Aguideline developed bytheFDAB.An additional precaution associated with urinalysisC.Aguideline recommended by the CDCD.Alaw enforced byOccupational Safety and Health Administration (OSHA)ANS: DDIF: Level 1OBJ: 3TOP: Biologichazards9. A laboratory worker who observes a redhandrashafterremovinggloves should:A.Avoid wearing gloves for 2 daysB.Washthehands with antimicrobial soapC.Apply cortisone cream tothehandsD.Avoid wearing latex gloves in the futureANS: DDIF: Level 2OBJ: 4TOP: Biologichazards10. Plexiglas shields are used in the laboratory when urine tube specimens are being:A.Sorted according to labB.Uncapped for analysisC.Centrifuged for analysisD.Observed for color characteristicsANS: BDIF: Level 2

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OBJ: 4TOP: Biologichazards11. A urine specimenreceived in the laboratory isleaking in a transport bag. What is the nextcourse of action?A.Itshould be relabeledB.It shouldbe rejectedC.It should be processed with no special handlingD.Itshould be poured into a clean containerANS: BDIF: Level 1OBJ: 6TOP: Biologichazards12. Lab coats worn intheurinalysislabshould:A.Be worn loosely over uniformsB.Have short sleevesC.Be completely buttonedD.Be worn at all times in and outside of the laboratoryANS: CDIF: Level 2OBJ:4TOP: Biologichazards13. Proper handwashing includes all of the followingproceduresexcept:A.Rubbing to create a latherB.Using warm waterC.Rinsing hands in a downward positionD.Using a paper towel to turn on the waterfaucetANS: DDIF: Level 2OBJ: 5TOP: Biologichazards14. The acceptable method for disposing of urine specimens is:

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A.Autoclaving in theentire collectionB.Pouring down the sinkfollowed by copious amounts of waterC.Placing the specimen in a biohazard bagD.Diluting with sodium hypochloriteANS: BDIF: Level 1OBJ: 6TOP: Biologichazards15. Disinfection of the sink in the urinalysis laboratoryshould beperformed:A.On a daily basisB.When a positive bilirubin is detectedC.Following an accidental spillD.Byusing dilute hydrochloric acidANS: ADIF: Level 2OBJ: 6TOP: Biologichazards16. Safety precautions observed in the urinalysis laboratory include all of the followingexcept:A.Wearing goggles or a face shieldB.Checking tube balance in the centrifugeC.Centrifuging only uncapped tubesD.Wearing a fluid-resistant lab coatANS: CDIF: Level 2OBJ: 6TOP: Biologichazards17. The source, method oftransmission,and host areall deemed:A.Steps in the urinalysisB.Components of the chain of infectionC.Problems encountered in urinalysisD.Considerations in urine specimen transportANS: BDIF: Level 1

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OBJ: 1TOP: Biologichazards18.Which of the following is apractice that alllaboratory workers must avoid?A.Changing gloves that are soiledB.Centrifuging conical tubesC.Moving puncture-resistant containersD.Manually recapping needlesANS: DDIF: Level 1OBJ: 6TOP: Sharp hazards19. Before using a water hose on a burning chemical cabinet, afirefighterwouldvisuallycheckthatwhatisposted on the outside ofthecabinet?A. NationalFireProtectionAssociation(NFPA)symbolB. MaterialSafetyData Sheet(MSDS)C. Chemical Hygiene PlanD. OccupationalSafety andHealthAdministrationmanualANS: ADIF: Level 1OBJ: 8TOP: Chemical hazards20. Immediate information concerning the health hazards, flammability, and reactivity of achemical can be obtained from the:A. MSDSB. NFPA symbolC. CDCD. OSHAANS: BDIF: Level 2OBJ: 8TOP: Chemical hazards

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21.Laboratory personnel wear special monitory badges whenworkingfrequently with which ofthe following hazards?A. BiologicB. ChemicalC. RadioactiveD. ExplosiveANS: CDIF: Level 1OBJ: 9TOP: Radioactive hazards22. When encountering a person experiencing an electrical shock, the first thing to do is:A.Turn off the circuit breakerforareaB.Lower the person's headbelow the heartC.Wraptheperson in awetfire blanketD.Move the person away from the electrical objectANS: ADIF: Level 2OBJ: 9TOP: Electrical hazards23. When a fire is discovered in the laboratory,you shoulddo all of the followingexcept:A.Activate the fire alarmB.Evacuate the area using the stairsC.Use an appropriate fire extinguisherD.Leave the door open when evacuatingANS: DDIF: Level 2OBJ: 10TOP: Fire hazards24. Theacronym RACEis used when encountering a/an:A.FireB.Chemical spillC.Electrical shockD.Needlestick

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ANS: ADIF: Level 1OBJ: 10TOP: Fire hazards25. Which of the following itemsfound in the laboratory shouldbesecurely fastened to anonmovable object?A.BiohazardbagsB.Compressed gas cylindersC.Chemical spill kitsD.Radiation detectorsANS: BDIF: Level 1OBJ: 7TOP: Fire hazards26. The most commonly available fire extinguisherina hospitalis:A.TypeAB.TypeBC.TypeCD.TypeABCANS: DDIF: Level 1OBJ: 9TOP: Fire hazards27.When using a fire extinguisher, which action do you perform first?A.Point the nozzleB.Pull the pinC.Protect the patient samplesD.Position the extinguisherANS: BDIF: Level 2OBJ: 10TOP: Firehazards

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28. Variables that are included in a quality assurance program include all of the followingexcept:A.Pre-examinationB.ClinicalC.ExaminationD.Post-examinationANS: BDIF: Level 1OBJ: 12TOP: Qualityassessment29. Clinical laboratory personnel have theleastcontrol over which of the following conditions?A.Pre-examinationvariablesB.ExaminationvariablesC.Post-examinationvariablesD.Post-discharge variablesANS: ADIF: Level 2OBJ: 12TOP: Qualityassessment30. When you receive a specimen and a requisition form that donotmatch, you should:A.Notify the personnel who collected the specimenB.Test the specimen and note the error on the requisitionC.Immediately discard the specimenD.Analyze the error and make appropriate changes to the labelANS: ADIF: Level 2OBJ: 12TOP: Qualityassessment31. When a critical value is obtained in the laboratory:A.The test should be repeatedB.The pathologist should be notifiedC.Anew specimen must be requestedD.The result must be reported to the health-care provider

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ANS: DDIF: Level 2OBJ: 12TOP: Qualityassessment32. The ability to obtain the published result on a control sample is referred to as:A.PrecisionB.AccuracyC.StandardizationD.ReliabilityANS: BDIF: Level 1OBJ: 13TOP: Qualityassessment33. Obtaining the same result after testing the same specimen three times is called test:A.ReliabilityB.Quality controlC.PrecisionD.AccuracyANS: CDIF: Level 1OBJ: 13TOP: Qualityassessment34. The highest acceptable range for confidence limits in the clinical laboratory is:A. ±1 SDB. ±2 SDC. ±3 SDD. ±4 SDANS: CDIF: Level 1OBJ: 13TOP: Qualityassessment

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35. A procedure with a coefficient of variation of 10% is considered:A.ReliableB.PreciseC.ConfidentD.ImpreciseANS: DDIF: Level 2OBJ: 13TOP: Qualityassessment36. When plotted on a Levy-Jennings chart, a control that has been left on the counter overnightinstead of being refrigerated might show a/an:A.ShiftB.Increased CVC.TrendD.Change in precisionANS: ADIF: Level 2OBJ: 13TOP: Qualityassessment37. Proficiency testing should be performed:A.When control results exceed the confidence limitsB.By personnel performing the tests routinelyC.By the laboratory supervisor onlyD.During an accreditation site inspectionANS: BDIF: Level 2OBJ: 13TOP: Qualityassessment38. The least regulated level ofClinical Laboratory Improvement Amendments (CLIA)testingcategories is:A.WaivedB.Provider-performed microscopyC.Moderate-complexity

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D.High-complexityANS: ADIF: Level 1OBJ: 13TOP: Qualityassessment39. A urinalysis laboratory that subscribes to an external proficiency testing program from whichall samples are tested by the supervisor is an example of:A.Right things done rightB.Wrong things done wrongC.Right things done wrongD.Wrong things done rightANS: CDIF: Level 3OBJ: 13TOP: QualityassessmentTrue/False40. Personnel in the urinalysis laboratory are best protected from blood-borne pathogen exposurewhen followingstandardprecautions.ANS:TrueDIF: Level 2OBJ:3TOP: Biologichazards41. It is not necessary to change gloves when performing tasks on the same patient.ANS: FalseDIF: Level 1OBJ: 4TOP: Biologichazards

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42. OSHA requires employers to provide free immunization forhepatitis B virus (HBV)toworkers in urinalysis.ANS: TrueDIF: Level 1OBJ:3TOP: Biologichazards43. Hands should be washed before and after testing each urine specimen.ANS: FalseDIF: Level 2OBJ: 5TOP: Biologichazards44. A paper towel used to absorb a urine spill is discarded in a biohazard container.ANS: TrueDIF: Level 2OBJ: 6TOP: Biologichazards45. It is acceptable to recap a needle on a syringe containing urine, but not blood.ANS: FalseDIF: Level 2OBJ: 6TOP: Sharp hazards46. Only nontoxic chemicals can be pipetted by mouth.ANS: FalseDIF: Level 1OBJ: 7TOP: Chemical hazards

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47. The MSDS should be provided to laboratories by chemical manufacturers or vendors.ANS: TrueDIF: Level 1OBJ: 7TOP: Chemical hazards48. Electrical current can pass through glass and wood.ANS: FalseDIF: Level 2OBJ: 9TOP: Electrical hazards49. Flammable chemicalsmustbe stored in explosion-proof refrigerators.ANS: TrueDIF: Level 1OBJ: 7TOP: Fire hazards50. When lifting heavy objects, laboratory workers should bend their knees.ANS: TrueDIF: Level 1OBJ: 2TOP: Physical hazardsMatchingMatch the burning material with the type of fire:A.Type AB.Type BC.Type CD.Type D

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51. Electrical52. Organic chemicals53. Combustible metals54. Wood51. ANS: CDIF: Level 1OBJ: 9TOP: Fire hazards52. ANS: BDIF: Level 1OBJ: 9TOP: Fire hazards53. ANS: DDIF: Level 1OBJ: 9TOP: Fire hazards54. ANS: ADIF: Level 1OBJ: 9TOP: Fire hazardsMatch the following safety hazards with the possible injury:A.Carcinogen exposureB.Strained backC.Viral infectionD.Shock55. Biologic56. Chemical57. Electrical58. Physical55. ANS: CDIF: Level 1OBJ: 2TOP: Biologichazards56. ANS: ADIF: Level 1OBJ: 7TOP: Chemicalhazards57. ANS: DDIF: Level 1OBJ: 9TOP: Electricalhazards58. ANS: BDIF: Level 1OBJ: 2TOP: PhysicalhazardsShort Answer59. State thesixcomponents of the chain of infection.ANS:Infectious agent, reservoir, portal of exit, means of transmission, portal of entry,susceptible hostDIF: Level 1OBJ: 1TOP: Biologichazards

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