BIO 250 LAB QUIZ 1 QUESTIONS AND
ANSWERS
Bio bsafety blevels b(BSL) bmeasure bwhat? b- bcorrect banswers✔✔an borganisms
bcontrollability, binfectivity, bvirulence, bpathogenicity, bantibiotic bresistance, bvaccine,
btreatment, bmortality.
BSL b1 b- bcorrect banswers✔✔does bnot bnormally bcause bdisease bin bpeople
BSL b2 b- bcorrect banswers✔✔Associated bwith bdisease
BSL b3 b- bcorrect banswers✔✔indigenous/exotic bagents bthat bmay bhave bserious bor
blethal bconsequences band bwith bpotential bfor baerosol btransmission
BSL b4 b- bcorrect banswers✔✔dangerous/exotic bagents bof ba blife-threatening bnature
bor bunknown brisk bof btransmission
Containment b- bcorrect banswers✔✔safe bmethods band bprocedures bto bhandle bmicro
borganisms
Aseptic btechnique bprevents bcontamination bof b- bcorrect banswers✔✔You
Others b
Experiment
Work bArea b
External bEnviroment
Ubiquitous b- bcorrect banswers✔✔found beverywhere
Pathogen b- bcorrect banswers✔✔micro borganisms bthat bcause bdisease
Opportunistic bpathogen b- bcorrect banswers✔✔cause bdisease bin bright bcircumstances
Inoculation b- bcorrect banswers✔✔implantation bof bmicro borganisms bon bor bin bmedia
Culture b- bcorrect banswers✔✔cultivation bof bthe bmicro borganisms b
, What bhas bactually bgrown
Turbid b- bcorrect banswers✔✔cloudy binoculation bof bgrowth
Colony b- bcorrect banswers✔✔A bdiscrete bmass bof bmillions bor bmore bcells bideally
bfrom bone bcell
Points bof bfirst bfew blabs b- bcorrect banswers✔✔practice baseptic btechnique
Sterile b- bcorrect banswers✔✔completely bfree bof ball blife
Pure bculture b- bcorrect banswers✔✔one btype bof bcolony
Mixed bculture b- bcorrect banswers✔✔more bthan bone btype bof bcolony
Parfocal b- bcorrect banswers✔✔once bits bin bfocus bit bstays bin bfocus bas byou bmove bun
bin bmagnification
Parcentric b- bcorrect banswers✔✔What bis bin bthe bcenter bwill bstay bin bthe bcenter
Why bis boil bneeded bfor bhigh bmagnification b- bcorrect banswers✔✔oil bis bneeded bto
brefract blight bthe bsame bas bglass bdoes
4x b- bcorrect banswers✔✔scanning
10x b- bcorrect banswers✔✔low bpower
40x b- bcorrect banswers✔✔high bpower b(high bdry)
100x b- bcorrect banswers✔✔oil bimersion
Total bmagnification b- bcorrect banswers✔✔ocular bmagnification bX bobjective
bmagnification
Working bdistance b- bcorrect banswers✔✔space bbetween bslide band blens
As bmagnification bincreases bfield bof bview.... b- bcorrect banswers✔✔decreases
Resolution b- bcorrect banswers✔✔clarity bof ban bimage bproduced bby ba bset bof blenses
Resolving bpower b- bcorrect banswers✔✔ability bof ba blens bto bseparate btow bobjects bin
ba bmicroscopic bfield b
Function bof bwavelength bof blight band ba bproperty bof bthe blens bcalled bnumerical
baperture
ANSWERS
Bio bsafety blevels b(BSL) bmeasure bwhat? b- bcorrect banswers✔✔an borganisms
bcontrollability, binfectivity, bvirulence, bpathogenicity, bantibiotic bresistance, bvaccine,
btreatment, bmortality.
BSL b1 b- bcorrect banswers✔✔does bnot bnormally bcause bdisease bin bpeople
BSL b2 b- bcorrect banswers✔✔Associated bwith bdisease
BSL b3 b- bcorrect banswers✔✔indigenous/exotic bagents bthat bmay bhave bserious bor
blethal bconsequences band bwith bpotential bfor baerosol btransmission
BSL b4 b- bcorrect banswers✔✔dangerous/exotic bagents bof ba blife-threatening bnature
bor bunknown brisk bof btransmission
Containment b- bcorrect banswers✔✔safe bmethods band bprocedures bto bhandle bmicro
borganisms
Aseptic btechnique bprevents bcontamination bof b- bcorrect banswers✔✔You
Others b
Experiment
Work bArea b
External bEnviroment
Ubiquitous b- bcorrect banswers✔✔found beverywhere
Pathogen b- bcorrect banswers✔✔micro borganisms bthat bcause bdisease
Opportunistic bpathogen b- bcorrect banswers✔✔cause bdisease bin bright bcircumstances
Inoculation b- bcorrect banswers✔✔implantation bof bmicro borganisms bon bor bin bmedia
Culture b- bcorrect banswers✔✔cultivation bof bthe bmicro borganisms b
, What bhas bactually bgrown
Turbid b- bcorrect banswers✔✔cloudy binoculation bof bgrowth
Colony b- bcorrect banswers✔✔A bdiscrete bmass bof bmillions bor bmore bcells bideally
bfrom bone bcell
Points bof bfirst bfew blabs b- bcorrect banswers✔✔practice baseptic btechnique
Sterile b- bcorrect banswers✔✔completely bfree bof ball blife
Pure bculture b- bcorrect banswers✔✔one btype bof bcolony
Mixed bculture b- bcorrect banswers✔✔more bthan bone btype bof bcolony
Parfocal b- bcorrect banswers✔✔once bits bin bfocus bit bstays bin bfocus bas byou bmove bun
bin bmagnification
Parcentric b- bcorrect banswers✔✔What bis bin bthe bcenter bwill bstay bin bthe bcenter
Why bis boil bneeded bfor bhigh bmagnification b- bcorrect banswers✔✔oil bis bneeded bto
brefract blight bthe bsame bas bglass bdoes
4x b- bcorrect banswers✔✔scanning
10x b- bcorrect banswers✔✔low bpower
40x b- bcorrect banswers✔✔high bpower b(high bdry)
100x b- bcorrect banswers✔✔oil bimersion
Total bmagnification b- bcorrect banswers✔✔ocular bmagnification bX bobjective
bmagnification
Working bdistance b- bcorrect banswers✔✔space bbetween bslide band blens
As bmagnification bincreases bfield bof bview.... b- bcorrect banswers✔✔decreases
Resolution b- bcorrect banswers✔✔clarity bof ban bimage bproduced bby ba bset bof blenses
Resolving bpower b- bcorrect banswers✔✔ability bof ba blens bto bseparate btow bobjects bin
ba bmicroscopic bfield b
Function bof bwavelength bof blight band ba bproperty bof bthe blens bcalled bnumerical
baperture
