MCB 100 EXAM #3 UIUC QUESTIONS AND COMPLE
Which cof cthe cfollowing cis ca csign cof cdisease?
Headache
Dizziness
Fever
Nausea
Cramps c- cCORRECT cANS✔✔Fever
Which cof cthe cfollowing cis ca csymptom cof cdisease?Fever
Swelling
Diarrhea
Dizziness
Rash c- cCORRECT cANS✔✔Dizziness
What csteps cshould ca cresearcher ctake cto cestablish ca ccause-and-effect crelationship cbetween ca c
A. cIdentify cthe ccausative cpathogen
B. cObtain cthe cpathogen cfrom cthe cdisease coutbreak cpatients
C. cInfect cuninfected cpeople cand ccheck cfor csimilar csymptoms
D. cA, cB, cand cC. c
E. cA cand cB conly c- cCORRECT cANS✔✔E. cA cand cB conly
Which cof cthe cfollowing cwould cmake cit cnot cpossible cto csatisfy call cof cKoch's cpostulates cfora cpa
-The cmicroorganism conly cinfects cnonhuman canimals
-The cmicroorganism ccauses cserious csymptoms cin chumans.
-The cmicroorganism ccannot cbe cisolated cin cpure cculture.
-The cidentity cof cthe cmicroorganism cis cin cquestion
-Genes cfrom cthe cmicroorganism ccannot cbe camplified cby cPCR. c- cCORRECT cANS✔✔-The cmic
cin cpure cculture.
You csuspect cthat ca cnewly cdiscovered cbacterial csecretion csystem cidentified cin can cE. ccoli cstrain
coutbreak cis cimportant cfor csecreting ca cparticular cprotein ctoxin cthat cis cimportant cfor cvirulence. cH
ctest cthis chypothesis?
A. cMake ca cmutation cin cthe csecretion csystem cand csee cif cthe cbacterium cis cstill cvirulent.
B. cMake ca cmutation cin cthe csecretion csystem cand csee cif cthe ctoxin cstill cgets csecreted.
C. cMake ca cmutation cin cthe ctoxin cgene cand csee cif cthe cbacterium cis cstill cvirulent.
D. cA, cB, cand cC
E. cB cand cC c- cCORRECT cANS✔✔B. cMake ca cmutation cin cthe csecretion csystem cand csee cif cth
What cis ca czoonosis?
, Which cof cthe cfollowing cis cTRUE cof ca cdisease ccarrier?
A. cCarriers cnever cdevelop cthe cdisease
B. cMost ccarriers chave ca cweakened cimmune csystem.
C. cSome ccarriers cnever cbecome csick.
D. cCarriers care cnever cinfectious cfor cmore cthan ca cfew cdays.
E. cCarriers conly ctransmit cdisease cthrough cdirect ccontact. c- cCORRECT cANS✔✔C. cSome ccarrie
Cold cand cinfluenza cviruses ctypically center cthe cbody cthrough cwhich croute?
eyes
mouth
nose
parenteral croutes
fecal c- cCORRECT cANS✔✔eyes, cmouth, cnose
Why cis cthe ctube cemptying cthe cbladder c(the curethra) cmore clikely cto cbe ca cportal cof cexit cthan ca
A. cUrine cis csterile cwhen cit cleaves cthe cbody.
B. cUrine cmechanically cflushes cinvading cmicrobes cout cof cthe cbody.
C. cUrine cis cacidic cand cdoesn't callow cmicroorganisms cto center.
D. cUrine cis cbasic cand cdoesn't callow cmicroorganisms cto center.
E. cUrine chas cfew cnutrients cand cdoesn't callow cmicroorganisms cto cgrow. c- cCORRECT cANS✔✔
cinvading cmicrobes cout cof cthe cbody.
Which cof cthe cfollowing creasons cdoes cnot ccontribute cto celevated cprevalence cof cinfectious cdisea
A. cMore ccontaminated cwater
B. cGreater cprevalence cof cpathogenic cmicrobes c
C. cPoorer csanitation
D. cMore cpathogenic cmicrobes
E. cLess ceducation cabout cpathogen ctransmission c- cCORRECT cANS✔✔B. cGreater cprevalence c
Which cof cthe cfollowing cis cNOT ca cway cthat cnormal cmicrobiota chelp cprotect cthe cbody cfrom cpat
A. cThey cconsume cavailable cnutrients.
B. cThey ccan cattack cand ckill cpathogenic cmicrobes.
C. cThey ccan calter cthe cpH cof ctheir cenvironment.
D. cThey ckeep cthe cimmune csystem cstimulated cand cready. c
E. cThey cprevent cpathogens cfrom cattaching
F. cAll cof cthe cother cchoices care ccorrect cstatements. c- cCORRECT cANS✔✔F. cAll cof cthe cother cc
Which cstatement cBEST cdescribes cthe cenvironment cof cthe cskin cand cits ceffect con cmicrobial cgro
A. cThe cskin cis csimply ca cphysical cbarrier cthat ckeeps cmicrobes cfrom centering cthe cbody.
B. cThe cskin chas cminimal cdefenses, cand cit cis ca csuitable cenvironment cfor cmany cmicrobes.
C. cSalt, cdefensins, cenzymes, cand ca clow cpH cmake cthe cskin cinhospitable cfor call cmicrobes.
D. cThe cskin cis cinhospitable cto cmost cmicrobes, cbut csome cnormal cmicrobiota care cpresent.
E. cThe cnormally cwarm, cmoist cenvironment cof cskin cenhances ccolonization cby cpathogens. c- cCO
cis cinhospitable cto cmost cmicrobes, cbut csome cnormal cmicrobiota care cpresent.
The crole cof cgoblet ccells cin cthe cmucosal clayer cof cthe cintestine cis cto c____ c.
A. csecrete csticky cmucus cthat ctraps cpathogens
B. cdirectly cprevent cmicrobes cfrom cattaching cto cepithelial ccells
C. csweep cmicrobes ctrapped cin cmucus cdown cto cwaiting cmacrophages
D. csecrete csticky cmucus cthat cchemically cdestroys cbacterial ccell cwalls
E. cdirectly cprevent cpathogens cfrom creleasing ctoxins c- cCORRECT cANS✔✔A. csecrete csticky cm
Which cof cthe cfollowing cis cnot can cexample cof cinnate cimmunity?
A. cLysozyme cin ctears
B. cAntibodies
Which cof cthe cfollowing cis ca csign cof cdisease?
Headache
Dizziness
Fever
Nausea
Cramps c- cCORRECT cANS✔✔Fever
Which cof cthe cfollowing cis ca csymptom cof cdisease?Fever
Swelling
Diarrhea
Dizziness
Rash c- cCORRECT cANS✔✔Dizziness
What csteps cshould ca cresearcher ctake cto cestablish ca ccause-and-effect crelationship cbetween ca c
A. cIdentify cthe ccausative cpathogen
B. cObtain cthe cpathogen cfrom cthe cdisease coutbreak cpatients
C. cInfect cuninfected cpeople cand ccheck cfor csimilar csymptoms
D. cA, cB, cand cC. c
E. cA cand cB conly c- cCORRECT cANS✔✔E. cA cand cB conly
Which cof cthe cfollowing cwould cmake cit cnot cpossible cto csatisfy call cof cKoch's cpostulates cfora cpa
-The cmicroorganism conly cinfects cnonhuman canimals
-The cmicroorganism ccauses cserious csymptoms cin chumans.
-The cmicroorganism ccannot cbe cisolated cin cpure cculture.
-The cidentity cof cthe cmicroorganism cis cin cquestion
-Genes cfrom cthe cmicroorganism ccannot cbe camplified cby cPCR. c- cCORRECT cANS✔✔-The cmic
cin cpure cculture.
You csuspect cthat ca cnewly cdiscovered cbacterial csecretion csystem cidentified cin can cE. ccoli cstrain
coutbreak cis cimportant cfor csecreting ca cparticular cprotein ctoxin cthat cis cimportant cfor cvirulence. cH
ctest cthis chypothesis?
A. cMake ca cmutation cin cthe csecretion csystem cand csee cif cthe cbacterium cis cstill cvirulent.
B. cMake ca cmutation cin cthe csecretion csystem cand csee cif cthe ctoxin cstill cgets csecreted.
C. cMake ca cmutation cin cthe ctoxin cgene cand csee cif cthe cbacterium cis cstill cvirulent.
D. cA, cB, cand cC
E. cB cand cC c- cCORRECT cANS✔✔B. cMake ca cmutation cin cthe csecretion csystem cand csee cif cth
What cis ca czoonosis?
, Which cof cthe cfollowing cis cTRUE cof ca cdisease ccarrier?
A. cCarriers cnever cdevelop cthe cdisease
B. cMost ccarriers chave ca cweakened cimmune csystem.
C. cSome ccarriers cnever cbecome csick.
D. cCarriers care cnever cinfectious cfor cmore cthan ca cfew cdays.
E. cCarriers conly ctransmit cdisease cthrough cdirect ccontact. c- cCORRECT cANS✔✔C. cSome ccarrie
Cold cand cinfluenza cviruses ctypically center cthe cbody cthrough cwhich croute?
eyes
mouth
nose
parenteral croutes
fecal c- cCORRECT cANS✔✔eyes, cmouth, cnose
Why cis cthe ctube cemptying cthe cbladder c(the curethra) cmore clikely cto cbe ca cportal cof cexit cthan ca
A. cUrine cis csterile cwhen cit cleaves cthe cbody.
B. cUrine cmechanically cflushes cinvading cmicrobes cout cof cthe cbody.
C. cUrine cis cacidic cand cdoesn't callow cmicroorganisms cto center.
D. cUrine cis cbasic cand cdoesn't callow cmicroorganisms cto center.
E. cUrine chas cfew cnutrients cand cdoesn't callow cmicroorganisms cto cgrow. c- cCORRECT cANS✔✔
cinvading cmicrobes cout cof cthe cbody.
Which cof cthe cfollowing creasons cdoes cnot ccontribute cto celevated cprevalence cof cinfectious cdisea
A. cMore ccontaminated cwater
B. cGreater cprevalence cof cpathogenic cmicrobes c
C. cPoorer csanitation
D. cMore cpathogenic cmicrobes
E. cLess ceducation cabout cpathogen ctransmission c- cCORRECT cANS✔✔B. cGreater cprevalence c
Which cof cthe cfollowing cis cNOT ca cway cthat cnormal cmicrobiota chelp cprotect cthe cbody cfrom cpat
A. cThey cconsume cavailable cnutrients.
B. cThey ccan cattack cand ckill cpathogenic cmicrobes.
C. cThey ccan calter cthe cpH cof ctheir cenvironment.
D. cThey ckeep cthe cimmune csystem cstimulated cand cready. c
E. cThey cprevent cpathogens cfrom cattaching
F. cAll cof cthe cother cchoices care ccorrect cstatements. c- cCORRECT cANS✔✔F. cAll cof cthe cother cc
Which cstatement cBEST cdescribes cthe cenvironment cof cthe cskin cand cits ceffect con cmicrobial cgro
A. cThe cskin cis csimply ca cphysical cbarrier cthat ckeeps cmicrobes cfrom centering cthe cbody.
B. cThe cskin chas cminimal cdefenses, cand cit cis ca csuitable cenvironment cfor cmany cmicrobes.
C. cSalt, cdefensins, cenzymes, cand ca clow cpH cmake cthe cskin cinhospitable cfor call cmicrobes.
D. cThe cskin cis cinhospitable cto cmost cmicrobes, cbut csome cnormal cmicrobiota care cpresent.
E. cThe cnormally cwarm, cmoist cenvironment cof cskin cenhances ccolonization cby cpathogens. c- cCO
cis cinhospitable cto cmost cmicrobes, cbut csome cnormal cmicrobiota care cpresent.
The crole cof cgoblet ccells cin cthe cmucosal clayer cof cthe cintestine cis cto c____ c.
A. csecrete csticky cmucus cthat ctraps cpathogens
B. cdirectly cprevent cmicrobes cfrom cattaching cto cepithelial ccells
C. csweep cmicrobes ctrapped cin cmucus cdown cto cwaiting cmacrophages
D. csecrete csticky cmucus cthat cchemically cdestroys cbacterial ccell cwalls
E. cdirectly cprevent cpathogens cfrom creleasing ctoxins c- cCORRECT cANS✔✔A. csecrete csticky cm
Which cof cthe cfollowing cis cnot can cexample cof cinnate cimmunity?
A. cLysozyme cin ctears
B. cAntibodies
