blood review worksheet key - sci yeung . c o m · pdf fileblood evidence review worksheet...
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Bloodevidencereviewworksheet Name:_____________
Handinontestdayfor2marks
Whatmakesupthe4componentsofblood?
Plasma,RBC,WBC,andPlatelets
Describethepropertiesofeachofthe4componentsofblood:
• Plasma-makesup55%ofbloodo Comprisedmostlywater,nutrients,mineralsandgases
• Redbloodcells(RBC)o 45%ofthebloodo Carriesoxygenandcarbondioxideo Containsnonucleus
• Whitebloodcells(WBC)o Destroysforeignsubstancescalledantigenso ContainsnucleusandcanbeusedforDNAanalysisforForensics!
• Thrombocyteso involvesinbloodclotting
Whatistheprimarydifferencebetweenredbloodcellstoothercellsofthebody?
Redbloodcellsdonothaveanucleus
Whatisthedifferencebetweenredbloodcellsoffrogs,toads,andbirdscomparedtoredbloodcellsofahumanbeing?
RBCoffrogs,toadsandbirdshaveanucleuswhilenoneinhumans
Describetheshapeoftheredbloodcell.Whyisthisshapeoftheredbloodcellimportantincarryingblood?
Biconcave–disklikestructure-Itallowstofitthroughsmallcapillaries
Whatistheprimaryproteinfoundinredbloodcells?
Hemoglobin
Bloodtyping:
1. Jasonisrushedtothehospitalafterlosingbloodfromaworkrelatedaccident.Becausehewaswearingamedicalbracelet,thehospitalstaffknowsthathehasAB-bloodtype.Answerthefollowingquestions.a. Listtheantigensfoundsonhisbloodcells?A&Bantigenb. Listtheantibodiesthatweknowcanbefoundinhisplasma.
AntiRh
2. Maria(B+)andJacob(B-)aresisterandbrother.a. ListtheantigensfoundonMaria’sbloodcells.BandRhb. ListtheantigensfoundonJacob’sbloodcells.Bantigenc. ListtheantibodiesfoundinsideMaria’splasma.Anti-Ad. ListtheantibodiesfoundinsideJacob’splasma.Anti-AandAnti-Rhe. CanJacobreceiveMaria’sbloodintheeventofanemergency?Explain.NobecauseJacobhastheAnti-Rh
antibodythatwillreactwithMaria’sRhantigen
3. Describethestepsinfiguringoutsomeone’sbloodtype(likewhatwedidinthelabactivity).BespecificReviewtheactivitythatwedidinclass
4. SomeonewiththerhesusfactorpresentandtheAandBantigenswouldbeclassifiedashavingwhattypeofblood?_____AB+__
5. SomeonewithoutanyrhesusfactornorAandBantigenswouldbeclassifiedashavingwhattypeofblood?_______O-_________________
6. SomeonewithO+bloodwouldhavewhattypeofantigenandantibodiesintheblood?_____RhAntigenandAnti-Aandanti-Bantibodies_______
7. SomeonewithAB-bloodwouldhavewhattypeofantigenandantibodiesintheblood?____AandBantigensandanti-Rhantibody____________________
8. SomeonewiththeRhesusantibodyandAnti-Bantibodywouldhavewhattypeofblood?_A-_______________________9. SomeonewiththeRhesusantibodyandAnti-BandAnti-Aantibodywouldhavewhattypeofblood?______O-
__________________10. WouldsomeonewithA+bloodtypehavetheantibodiestocoagulateorclumpwithitsownblood?Whyorwhynot?
_______Nobecauseitwillnothavetheantibodiespresent___________11. Inordertotypesomeone’sblood,whattypeofantibodiesareused?_____anti-a,anti-b,andanti-Rh___________________12. Ifthereiscoagulationorclumpingintheanti-Aandanti-Bantibodiesonly,whattypeofbloodispresent?____AB-_____13. Ifthereiscoagulationorclumpingintheanti-Bandanti-D(rhesus)antibodiesonly,whattypeofbloodispresent?
_____B+_________14. IfthereisNOcoagulationinanyoftheantibodies(Anti-A,Anti-BandAnti-D(rhesus),whattypeofbloodispresent?
________O-_______15. Thereisclumpingintheanti-Bandanti-Rhonly.Identifythebloodtype.B+16. Thereisclumpingintheanti-Bandanti-Aonly.Identifythebloodtype.AB-17. Thereisclumpingintheanti-Rhonly.Identifythebloodtype.O+
18. Whathappenswhenantigenscombinewithantibodiesintheblood?coagulation
19. Wouldanormalpersonhaveantibodiesagainstitsownbloodtype?Whyorwhynot?
No
20. Relatingtoquestion8,ifapersonhasbloodtypeA,whatantibodieswouldthepersonhaveinitsbloodplasma?Whatbloodtypecanbetransfusedtohim?
A-,andO-
21. Whatarethe4differentbasicbloodspatterpatterns?
Passivestain,angle,differenttextures,andtrauma(spatter)
22. Definepassivestain:
Drippingbloodsuggestsanopenslowwoundindicatingslowornomovementofthevictim.
23. Howareblooddropsfrompassivestaindifferentthanbloodtraumawithhighvelocity?
Moreconsistentforpassivestain,theshapeismoreuniform
24. True/false–Ifadropofbloodisdroppedoffthe33rdstoryofabuilding,thespatteritleaveswillbelargerthanadropthatwasdroppedat12thstory.Ifitisfalse,describewhy.Theblooddropwouldhaveachievedterminalvelocity,sotherewouldn’tbeanyincreaseinspeed.
25. Howdoestheangleofablooddropaffecttheblooddroplet?
Highertheangle(85degrees),thelongerthebloodtail.
26. Whatisa‘wave-castoff’?
Tailthatisleftontheblooddrop
27. Definepointofconvergence.Wheretheimpactoccurredbyconnectingallthelinesofconvergence
28. Whatkindofstainwould beclassifiedas?Passivestain
29. Whatkindofstainwould beclassifiedas?Bloodspatter
30. Wherewouldtheoriginofthefollowingstainbe ?
Fromtheleftside
31. Byusingthepointofconvergencemethod,locatetheimpactorigin.
32.
33. Byusingthepointofconvergencemethod,locatetheimpactorigin.
a.