Examl 3:l BIOSl 242/l BIOS242l (NEWl
2026/l 2027l Update)l Fundamentalsl ofl
Microbiologyl withl Labl Guide|l Questionsl
&l Answersl |l Gradel A|l 100%l Correctl
(Verifiedl Solutions)—Chamberlain
QUESTION
Al virulencel factorl foundl inl helicobacterl pyloril isl productionl of
Answer:
ureasel enzyme
QUESTION
____l arel nowl usedl tol treatl ulcers
Answer:
antibiotics
QUESTION
Whichl isl saferl tol eat,l steakl orl al hamburger?
Answer:
steak,l groundl beefl isl morel dangerous
QUESTION
E.coli
Answer:
,Graml -,l anaerobic,l rodl shaped
QUESTION
Whichl ofl thel followingl statementsl isl notl truel regardingl Clostridiuml difficilel ?
Answer:
Itl producesl "rice-l water"l stools
QUESTION
____l causesl 80%l ofl UTI
Answer:
E.coli
QUESTION
Treatmentl ofl UTIl canl allowl overgrowthl ofl C.l albicans
Answer:
overgrowthl ofl C.albicansl canl causel vaginitis
QUESTION
Thel causativel agentl ofl syphilis
Answer:
Treponemal pallidum
-l Tuskegeel study
QUESTION
Syphilisl stagesl ofl disease
Answer:
-l primary
, -l secondary
-l tertiary
QUESTION
Whichl ofl thel followingl isl truel ofl syphilis
Answer:
-l hasl threel stages
-l tuskegeel experiment
-l causedl byl spirochetel bacterium
-l canl causel congenitall deformities
QUESTION
Explainl whetherl therel isl al greaterl riskl forl E.colil O157:H7l infectionl whenl consumingl al
hamburgerl comparedl tol consumingl al steak.l Canl foodl poisoningl stilll occurl afterl
consumingl al reheatedl potl ofl soupl knownl tol bel contaminatedl withl S.auerus.l Whyl orl
whyl not.
Answer:
E.colil isl al graml negativel bacterial thatl isl commonlyl foundl inl thel intestines.l E.colil
O157:l H7l isl al strainl ofl E.colil thatl causesl diarrhea.l E.colil usuallyl existsl onl thel surfacel
ofl wholel cutl meats,l itl isl muchl easierl tol killl thisl bacterial onl wholel cutl meatl ratherl
thanl groundl beef.l
S.l Aureusl isl al graml positivel pathogenl knownl tol causel infection.l Whenl foodl isl initiallyl
cookedl itl shouldl bel killedl offl likel E.coli.l Butl therel isl potentiall forl thel foodl tol bel
contaminatedl afterl itl coolsl down.l Thel pathogenl hasl potentiall tol producel heatl resistantl
enterotoxinsl thatl arel ablel tol survivel inl thel heatingl process
QUESTION
Differentiatel betweenl componentsl ofl firstl andl secondl linel ofl defense.l Listl 3l
componentsl ofl eachl linel alongl withl detailsl onl theirl mechanism
Answer:
Firstl LOD
-l nonspecific
2026/l 2027l Update)l Fundamentalsl ofl
Microbiologyl withl Labl Guide|l Questionsl
&l Answersl |l Gradel A|l 100%l Correctl
(Verifiedl Solutions)—Chamberlain
QUESTION
Al virulencel factorl foundl inl helicobacterl pyloril isl productionl of
Answer:
ureasel enzyme
QUESTION
____l arel nowl usedl tol treatl ulcers
Answer:
antibiotics
QUESTION
Whichl isl saferl tol eat,l steakl orl al hamburger?
Answer:
steak,l groundl beefl isl morel dangerous
QUESTION
E.coli
Answer:
,Graml -,l anaerobic,l rodl shaped
QUESTION
Whichl ofl thel followingl statementsl isl notl truel regardingl Clostridiuml difficilel ?
Answer:
Itl producesl "rice-l water"l stools
QUESTION
____l causesl 80%l ofl UTI
Answer:
E.coli
QUESTION
Treatmentl ofl UTIl canl allowl overgrowthl ofl C.l albicans
Answer:
overgrowthl ofl C.albicansl canl causel vaginitis
QUESTION
Thel causativel agentl ofl syphilis
Answer:
Treponemal pallidum
-l Tuskegeel study
QUESTION
Syphilisl stagesl ofl disease
Answer:
-l primary
, -l secondary
-l tertiary
QUESTION
Whichl ofl thel followingl isl truel ofl syphilis
Answer:
-l hasl threel stages
-l tuskegeel experiment
-l causedl byl spirochetel bacterium
-l canl causel congenitall deformities
QUESTION
Explainl whetherl therel isl al greaterl riskl forl E.colil O157:H7l infectionl whenl consumingl al
hamburgerl comparedl tol consumingl al steak.l Canl foodl poisoningl stilll occurl afterl
consumingl al reheatedl potl ofl soupl knownl tol bel contaminatedl withl S.auerus.l Whyl orl
whyl not.
Answer:
E.colil isl al graml negativel bacterial thatl isl commonlyl foundl inl thel intestines.l E.colil
O157:l H7l isl al strainl ofl E.colil thatl causesl diarrhea.l E.colil usuallyl existsl onl thel surfacel
ofl wholel cutl meats,l itl isl muchl easierl tol killl thisl bacterial onl wholel cutl meatl ratherl
thanl groundl beef.l
S.l Aureusl isl al graml positivel pathogenl knownl tol causel infection.l Whenl foodl isl initiallyl
cookedl itl shouldl bel killedl offl likel E.coli.l Butl therel isl potentiall forl thel foodl tol bel
contaminatedl afterl itl coolsl down.l Thel pathogenl hasl potentiall tol producel heatl resistantl
enterotoxinsl thatl arel ablel tol survivel inl thel heatingl process
QUESTION
Differentiatel betweenl componentsl ofl firstl andl secondl linel ofl defense.l Listl 3l
componentsl ofl eachl linel alongl withl detailsl onl theirl mechanism
Answer:
Firstl LOD
-l nonspecific