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.