processing and testing blood specimens采集加工和检测血液标本课件

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1、Chapter48PowerPoint®toaccompanySecondEditionRamutkowskiBoothPughThompsonWhickerCopyright©TheMcGraw-HillCompanies,Inc.Permissionrequiredforreproductionordisplay.MedicalAssistingChapter481Objectives48-1Discussthecompositionandfunctionofblood.48-2Describetheprocessforcollec

2、tingabloodspecimen.48-3Explaintheimportanceofconfirmingpatients'identitiesandcorrectlyidentifyingbloodsamples.48-4Describehowtoperformvenipunctureandcapillarypunctureprocedures.48-5Identifytheequipmentandsuppliesrequiredforblooddrawingprocedures.Collecting,ProcessingandTest

3、ingBloodSpecimens248-6Discussthecorrectproceduresfordisposingofwastegeneratedduringblood-drawingprocedures.48-7Discusscommonfearsandconcernsofpatientsandhowtoeasethesefears.48-9Identifycommonbloodtestsandexplaintheirpurposes.48-10Performcertainbloodtests.Objectives(cont.)Col

4、lecting,ProcessingandTestingBloodSpecimens3IntroductionYouwillberesponsibleforcollectingbloodspecimensanddoingsometestinginthewaivedcategory.Youwillbeintroducedtovenipunctureandcapillarycollectionprocedures.Youwillalsolearntechniquesfordealingwithdifficulttypesofpatientsand

5、howtoefficientlyandeffectivelyobtainbloodsamples.4RoleoftheMedicalAssistantExaminationofbloodcanprovideextensiveinformationaboutapatient’scondition.Basicunderstandingoftheanatomyandphysiologyofthecirculatorysystemwillhelpyouperformthesetasks.5FunctionsofBloodHeartpumps8to12p

6、intsofbloodthroughmorethan70,000milesofveins,arteries,andcapillaries.Hematology–thestudyofbloodHematologists–studyitsfunctionandcompositionBloodhasmanyfunctions,allofwhichareimportanttooverallhealthofthebody.6FunctionsofBlood(cont.)Blooddoesallthefollowing:Distributesoxygen,

7、nutrients,andhormonestobodycellsEliminateswasteproductsMaintainsacid-basebalanceRegulatesbodytemperatureAttacksinfectingpathogens7CompositionofBloodPlasma–liquidinwhichothercomponentsaresuspendedRedbloodcells(erythrocytes)–vitalroleininternalrespirationWhitebloodcells(leukoc

8、ytes)–protectthebodyagainstinfectionPlatelets(thrombocytes)–crucialtoclotfo