医学英语课堂演讲血液

BloodtestDefinition:aserologicanalysisofasampleofbloodTogettheinformationtheyneedfromtheblood,doctorsactuallydoseveraltestswiththebloodsample.Theseincludemeasurementofthelevelsofcellsandabloodsmear.Mainelementsinblood:Cells:redbloodcellswhitebloodcellsplateletPlasshengmaFunction:tohelpdoctorsdiagnosediseases.

Allthecomponentsinbloodhavetheirownfunction,andwillchangeinqualityorquantitywhensomedisorderhappentous.

ThefunctionofthebloodtestRoutinebloodgenerallylookwhite,neutralcellpercentage,redbloodcell,hemoglobinandplateletsBloodbiochemicalenzymescandetectliverandkidneyfunction,bloodlipids,heart,bloodelectrolytes.Bloodgasanalysisisusedtodeterminewhetherthebodyacid-basebalancedisorders,anddegreeofhypoxiaandhypoxiaThefunctionofthebloodtestBloodtestscanhelppatientswithearlydetectionanddiagnosisofsomediseasesSuchaswhetherdiagnosisofanemia,whethertohavebloodsystemdiseases,responseofbonemarrowhematopoieticfunction,etcAssayliverresult,sexuallytransmitteddiseases,AIDS,whetherbepregnant,pregnancyisnormal,whetherthedruguse,etcExample：Ifapersonsufferfromanaemia,theirhaemoglobinlevelwillalwaysbelessthannormal.Thenumberofwhitebloodcellsmaygoesupwhenapersonhasabacterialinfection.Lownumbersofplateletscanmakeapersonvulnerabletobleeding,sometimesevenwithoutinjuryoccurring.Bloodtestsofgeneralsteps

Themostcommonlyusedmethodistestofperipheralbloodbloodtest。MassagethefingerpointtoanabdomenLocalskindisinfectwithalcoholcottonballBloodinthelefthandthumbandforefingerintotheringfingeronbothsidesofthepatients,righthandholdsterilebloodcollectionneedle,sincethetipofthefingerinsiderapidlypunctureWithsterilespongeandwipeawaythefirstdropofblood,accordingtotheneedtolearnacertainamountofblood.UsingsterilecottonballpinthewoundtostopthebleedingScopeofapplicationPeripheralbloodinthelefthandrighthand(lefthandednessis)fourthfingersfeetsideasthebestbloodcollectionsiteWhoevertheusedbloodislessthan0.1mlofinspectionitems,suchasbloodroutine,bloodtype,plateletcount,hemoglobindetermination,themalariaparasitesinglebloodtestchecks,etc.,peripheralbloodcanbetakenTheadvantagesofperipheralbloodEasyoperationandsafeDon'tinterferewitheverydayfunctionAfterminortraumaLightfeelingpainBloodtestsbeforethemattersneedingattentionThehistoryInancientChina,peoplehadpaternitytestbydoingbloodtest.It’ssaidthatitfirstappearedinTheperiodofThreeKingdoms,anditwasthoughtasthemostauthoritativemethodtoaffirmtherelationshipbetweentwopeople.SoitwaspopularlyuseduntilthetheMingdynasty.paternitytestinancientChina滴血验亲Ifthechild’sbloodiscompatibletotheadult’s,thentheyareconsideredtobenaturalparentandchild.Iftheyareincompatibletoeachother,theywillberecognizedashavingnoconsanguinity

Thestoriesaboutpaternitytest

inteleplays

Zhenhuanwasexposedtotheemperortocontractedaliaisonwithsomebody

theemperorwassuspiciousofZhenhuan’sloyaltytohimAimperialconcubine(妃子)oftheemperorsuggestedpaternitytestbytestingbloodTheemperoragreedIt’snotscientific!!!Why???

whetherthebloodoftwodifferentmencanbecompatibletoeachotherornothasitsbaseinimmunology,thatisantigen-antibodyreaction.Sowhat???Twoirrelativepersoncanhavesameantigenonsurfaceoftheirredbloodcells,thentherewon’tbeantibodyaimingattheotherone’santigenalsohimorherself’stheirimmunesystem.Thentheirbloodwon’trejecteachotherunderthiscircumstance.what’sbloodtestindeed?Bloodisjustakindofmethod,itdoesn’talwaysmeanyouhavediseaseforsurewhenyourtestresultshowsomethingdifferent,andsometimesyoumayhavealreadyhadillness,butthetestisstillnormal.soweshouldregarditasakindofprobabilityorpotentialthing.Thankyou!!!RedbloodcellsThiskindofcellisfullofhemoglobinwhichcanbecombinedwithoxygenandcarbondioxideandcarrythemaroundyourbody.Oneofthemostimportantredbloodcelltestsistofindouthowmuchhemoglobinthereintheblood.whitebloodcellsPlayingaveryimportantroleinourimmunesystem.ItcanproducemanykindofimmunethingslikeantibodyplateletVerysmallcellsinthebloodthatclumptogetheratsitesofinjurytobloodvessels.Theyformthebasisofbloodclotthatwouldformifyoucutyourself.BewareofdrugeffectAlotofantibioticandanalgesicanti-inflammatoryagents,hormonalmedicine,birthcontrolpills,vitaminsarelikelytoaffectthetestresult.SuchasvitaminCcansignificantlyinterferewithbloodsugarlevelsasaresult,thelowvalueofbloodsugartestOnanemptystomach"Hollow"generalrequirementsonthemedicalbloodwithin12to14hoursbeforefasting.Butnotincluding"shutoff"Likeroutinebloodtests,ofcourse,generally