Complete Solution
Barbituatess-sFoursmainscategories:
1.sUltra-short-actings-susedstosinducessurgicalsanesthesia
2.sShort-acting
3.sIntermediate-actings-susedsasssedative-hypnotics
4.sLong-acting
Butalbitals-sBarbituate.sUsedsinstreatmentsofsmigraines.
Phenobarbitals-sBarbituate.sUsedsassanticonvulsant.
Pentobarbitals-sBarbituate.sUsedstosrelievesintracranialspressuresfollowingstrauma.
Atropines-
sBelladonnasAlkaloid.sDerivedsfromscertainsplantssincludingsjimsonsweedsandsdeadlys
nightshade.sUsedsassaspreanestheticstherapystoscontrolsairwayssecretionssandsassasan
tispasmodicstoscontrolsgastrointestinalsspasms.sUsedsassansantidotesinsthestreatments
ofspoisoningsbyscholinesterasesinhibitors.sAlsosusedsinsresuscitativesattempts.
Toxicseffects:smydriasis,shotsdrysreddenedsskin,sdelirium,sandshallucinations.
Scopalamines-
sBelladonnasAlkaloid.sDerivedsfromsjimsonsweedsandshenbane.sUsedsassaspreanesthet
ic,streatmentsofsParkinsonism,sgastrointestinalsdisorders,sandspreventionsofsmotions
sickness.s
Toxicseffects:sBlurredsvision,sdrynesssofsthroat,sdilatedspupils,ssomnolence,smydriasi
s,sskinsflushing,shallucinations,sandsconfusion.
Benzodiazepiness-
sBelladonnasAlkaloid.sUsedsassanxiolytics,santidepressants,santiconvulsants,sandsassp
reoperativessedatives.s
Commonsbenzos:salprazolam,slorazepam,sclonazepam,sandsdiazepam.s
Extensiveshepaticsmetabolism.
Adultsfliesscaughtsatsthesscenesneedstosbesproperlysstoredstossendstostheslab.sThissinv
olvess-splacingsthesfliessinsasglasssvialscontainings70%sisopropylsalcohol.
ForensicsscientistssmaysusesforensicsentomologysforsallsthesfollowingsEXCEPT
A.sestimatesthesdurationsofsthespost-mortemsranges(PMI).
B.sdetectsdrugssofsabusesinsmaggotsinfestedsbodies.
C.sdetectstheslocationsofsthesbodysatsthestimesofsdeath.
D.scollectsDNAsmaterialsleftsonsthescorpsesinscasessofssexualsassault.
, E.sdetectsvolatileshydrocarbonssinsfiresdeaths.s-
sdetectsvolatileshydrocarbonssinsfiresdeaths.
WhichsofsthesfollowingsmethodssissthesLEASTssensitiveschromatographicstechnique
A.sHigh-pressuresliquidschromatographs(HPLC)
B.sLiquidschromatographys/sMasssSpectrometry
C.sThin-layerschromatography
D.sGasschromatographys/sMasssSpectrometry
E.sGasschromatographys-sThin-layerschromatography
WhichsONEsofsthesfollowingsdrugssissresponsiblesforsthesmostsintentionalsoverdosesfa
talities?s
A.sBarbiturates
B.sPropoxyphene
C.sBenzodiazepines
D.sTricyclicsAntidepressants
E.sAntihistaminess-sTricyclicsAntidepressants
Insscenessilluminatedsbysbrightssunlight,sthereswillsusuallysbesdarksshadowsareas.sDe
tailsinsthesdeepsshadowsareasswillsbeslostswhensthesexposuresissbasedsonsthesoveralls
brightnesssofsthesscene.sThesbrightnessslevelsinsthesshadowsareasscansbesraisedstosthe
soverallsbrightnesssofsthesscenesbysusings
A.sansalternateslightssource
B.sultravioletsfluorescence.
C.sflash-fillsphotography.
D.sansincreasedsF-stop.
E.sasrestrictedsaperture.s-sFlash-fillsphotography
Usingsansalternateslightssource,syouscansidentifysstainssthatsmayscontainssamplessof
A.sserum.
B.ssemen.
C.ssaliva.
D.surine.
E.sAllsofsthesaboves-sAllsofsthesabove
Whenssubmittingstoolsmarksevidencesforsexamination,syousshouldsalways
A.splacesthestoolsagainststhestoolsmarkedsevidence.
B.smakestestscutssorsimpressionssrathersthanssubmitsthestool.
C.ssubmitsascastsofsthestoolsmark.
D.srefrainsfromscollectingssamplessofsanysmaterialsdepositedsonsthestools.
E.sAllsofsthesaboves-ssubmitsascastsofsthestoolsmark
Withsregardsstosinvestigatingsassceneswheresfirearmssweresused,swhichsONEsofsthesfo
llowingsstatementssissFALSE?
A.sBulletsholessthroughsdoorsscansproducesatypicalsentranceswounds.