MCB 100 EXAM 3 I CLICKERS QUESTIONS A
ANSWERS
Which cof cthe cfollowing cis ca csign cof cdisease? c
A.headache c
B. cdizziness c
C. cfever c
D.nausea c
E. ccramps c- cCORRECT cANS✔✔C
Which cof cthe cfollowing cis ca csymptom cof cdisease? c
A.fever c
B.swelling c
C. cdiarrhea c
D.dizziness c
E. crash c- cCORRECT cANS✔✔D
What csteps cshould ca cresearcher ctake cto cestablish ca ccause-and-effect crelationship cbetween ca c
c
A. cIdentify cthe ccausative cpathogen. c
B.Obtain cthe cpathogen cfrom cthe cdisease coutbreak cpatients. c
C. cInfect cuninfected cpeople cand ccheck cfor csimilar csymptoms. c
D.A, cB cand cC c
E. cA cand cB conly c- cCORRECT cANS✔✔E
Which cof cthe cfollowing cwould cmake cit cnot cpossible cto csatisfy call cof cKoch's cpostulates cfor ca cp
A. cThe cmicroorganism conly cinfects cnonhuman canimals. c
B. cThe cmicroorganism ccauses cserious csymptoms cin chumans. c
C. cThe cmicroorganism ccannot cbe cisolated cin cpure cculture. c
D.The cidentity cof cthe cmicroorganism cis cin cquestion. c
E. cGenes cfrom cthe cmicroorganism ccannot cbe camplified cby cPCR c- cCORRECT cANS✔✔C
You csuspect cthat ca cnewly cdiscovered cbacterial csecretion csystem cidentified cin can cE. ccoli cstrain
, D. cMany chumans ceat canimals
E. cThere care ca cfar cgreater cnumber cof canimals con cthe cplanet cthan chumans. c- cCORRECT cANS
What cis ca czoonosis?
A. cA cdisease ccaused cby cnormal cmicrobiota centering ca cbody csite cwhere cthey cdo cnot cnormally
B. cA cdisease cthat cspreads cnaturally cbetween canimals cand chumans
C. cA cdisease ccaused cby cthe cspread cof chuman cmicrobiota cto canimals
D. cA cdisease ccaused cby cchanges cin cthe cbalance cbetween canimal cand chuman cmicrobiomes
E. cA cdisease cacquired cat ca czoo c- cCORRECT cANS✔✔B
Cold cand cinfluenza cviruses ctypically center cthe cbody cthrough cwhich croutes?
A. cEyes
B. cNose
C. cParenteral croutes
D. cMouth
E. cFecal c- cCORRECT cANS✔✔A,B,D
Which cof cthe cfollowing cis cTRUE cof ca cdisease ccarrier?
A. cCarriers care cnever cinfectious cfor cmore cthan ca cfew cdays
B. cCarriers conly ctransmit cdisease cthrough cdirect ccontact
C. cCarriers cnever cdevelop cthe cdisease
D. cSome ccarriers cnever cbecome csick
E. cMost ccarriers chave ca cweakened cimmune csystem c- cCORRECT cANS✔✔D
Which cof cthe cfollowing cis cNOT ca cway cthat cnormal cmicrobiota chelp cprotect cthe cbody cfrom cpat
A. cAll cof cthe cother cchoices care ccorrect cstatements
B. cThey ckeep cthe cimmune csystem cstimulates cand cready
C. cThey cconsume cavailable cnutrients
D. cThey cprevent cpathogens cfrom cattaching c
E. cThey ccan calter cthe cpH cof ctheir cenvironment
F. cThey ccan cattack cand ckill cpathogenic cmicrobes c- cCORRECT cANS✔✔A
The crole cof cgoblet ccells cin cthe cmucosal clayer cof cthe cintestine cis cto c
A. csweep cmicrobes ctrapped cin cmucus cdown cto cwaiting cmacrophages
B. cSecrete csticky cmucus cthat ctraps cpathogens
C. cSecrete csticky cmucus cthat cchemically cdestroys cbacterial ccell cwalls
D. cDirectly cprevent cpathogens cfrom creleasing ctoxins
E. cDirectly cprevent cmicrobes cfrom cattaching cto cepithelial ccells c- cCORRECT cANS✔✔B
Which cof cthe cfollowing cis cNOT can cexample cof cinnate cimmunity?
A. cSkin
B. cMucus
C. cLysozyme cin ctears
D. cBile csalts
E. cLow cpH cin cthe cstomach
F. cAntibodies
G. cSaliva c
H. cNormal cmicrobiota cconsuming cnutrients c- cCORRECT cANS✔✔F
Which cstatement cBEST cdescribes cthe cenvironment cof cthe cskin cand cits ceffect con cmicrobial cgro
A. cThe cnormal cwarm, cmoist cenvironment cof cskin cenhances ccolonization cby cpathogens
B. cThe cskin cis cinhospitable cto cmost cmicrobes, cbut csome cnormal cmicrobiota care cpresent
C. cThe cskin chas cminimal cdefenses, cand cit cis ca csuitable cenvironment cfor cmany cmicrobes
D. cThe cskin cis csimply ca cphysical cbarrier cthat ckeeps cmicrobes cfrom centering cthe cbody
E. cSalt, cdefensins, cenzymes, cand ca clow cpH cmake cthe cskin cinhospitable cfor call cmicrobes c- cCO
ANSWERS
Which cof cthe cfollowing cis ca csign cof cdisease? c
A.headache c
B. cdizziness c
C. cfever c
D.nausea c
E. ccramps c- cCORRECT cANS✔✔C
Which cof cthe cfollowing cis ca csymptom cof cdisease? c
A.fever c
B.swelling c
C. cdiarrhea c
D.dizziness c
E. crash c- cCORRECT cANS✔✔D
What csteps cshould ca cresearcher ctake cto cestablish ca ccause-and-effect crelationship cbetween ca c
c
A. cIdentify cthe ccausative cpathogen. c
B.Obtain cthe cpathogen cfrom cthe cdisease coutbreak cpatients. c
C. cInfect cuninfected cpeople cand ccheck cfor csimilar csymptoms. c
D.A, cB cand cC c
E. cA cand cB conly c- cCORRECT cANS✔✔E
Which cof cthe cfollowing cwould cmake cit cnot cpossible cto csatisfy call cof cKoch's cpostulates cfor ca cp
A. cThe cmicroorganism conly cinfects cnonhuman canimals. c
B. cThe cmicroorganism ccauses cserious csymptoms cin chumans. c
C. cThe cmicroorganism ccannot cbe cisolated cin cpure cculture. c
D.The cidentity cof cthe cmicroorganism cis cin cquestion. c
E. cGenes cfrom cthe cmicroorganism ccannot cbe camplified cby cPCR c- cCORRECT cANS✔✔C
You csuspect cthat ca cnewly cdiscovered cbacterial csecretion csystem cidentified cin can cE. ccoli cstrain
, D. cMany chumans ceat canimals
E. cThere care ca cfar cgreater cnumber cof canimals con cthe cplanet cthan chumans. c- cCORRECT cANS
What cis ca czoonosis?
A. cA cdisease ccaused cby cnormal cmicrobiota centering ca cbody csite cwhere cthey cdo cnot cnormally
B. cA cdisease cthat cspreads cnaturally cbetween canimals cand chumans
C. cA cdisease ccaused cby cthe cspread cof chuman cmicrobiota cto canimals
D. cA cdisease ccaused cby cchanges cin cthe cbalance cbetween canimal cand chuman cmicrobiomes
E. cA cdisease cacquired cat ca czoo c- cCORRECT cANS✔✔B
Cold cand cinfluenza cviruses ctypically center cthe cbody cthrough cwhich croutes?
A. cEyes
B. cNose
C. cParenteral croutes
D. cMouth
E. cFecal c- cCORRECT cANS✔✔A,B,D
Which cof cthe cfollowing cis cTRUE cof ca cdisease ccarrier?
A. cCarriers care cnever cinfectious cfor cmore cthan ca cfew cdays
B. cCarriers conly ctransmit cdisease cthrough cdirect ccontact
C. cCarriers cnever cdevelop cthe cdisease
D. cSome ccarriers cnever cbecome csick
E. cMost ccarriers chave ca cweakened cimmune csystem c- cCORRECT cANS✔✔D
Which cof cthe cfollowing cis cNOT ca cway cthat cnormal cmicrobiota chelp cprotect cthe cbody cfrom cpat
A. cAll cof cthe cother cchoices care ccorrect cstatements
B. cThey ckeep cthe cimmune csystem cstimulates cand cready
C. cThey cconsume cavailable cnutrients
D. cThey cprevent cpathogens cfrom cattaching c
E. cThey ccan calter cthe cpH cof ctheir cenvironment
F. cThey ccan cattack cand ckill cpathogenic cmicrobes c- cCORRECT cANS✔✔A
The crole cof cgoblet ccells cin cthe cmucosal clayer cof cthe cintestine cis cto c
A. csweep cmicrobes ctrapped cin cmucus cdown cto cwaiting cmacrophages
B. cSecrete csticky cmucus cthat ctraps cpathogens
C. cSecrete csticky cmucus cthat cchemically cdestroys cbacterial ccell cwalls
D. cDirectly cprevent cpathogens cfrom creleasing ctoxins
E. cDirectly cprevent cmicrobes cfrom cattaching cto cepithelial ccells c- cCORRECT cANS✔✔B
Which cof cthe cfollowing cis cNOT can cexample cof cinnate cimmunity?
A. cSkin
B. cMucus
C. cLysozyme cin ctears
D. cBile csalts
E. cLow cpH cin cthe cstomach
F. cAntibodies
G. cSaliva c
H. cNormal cmicrobiota cconsuming cnutrients c- cCORRECT cANS✔✔F
Which cstatement cBEST cdescribes cthe cenvironment cof cthe cskin cand cits ceffect con cmicrobial cgro
A. cThe cnormal cwarm, cmoist cenvironment cof cskin cenhances ccolonization cby cpathogens
B. cThe cskin cis cinhospitable cto cmost cmicrobes, cbut csome cnormal cmicrobiota care cpresent
C. cThe cskin chas cminimal cdefenses, cand cit cis ca csuitable cenvironment cfor cmany cmicrobes
D. cThe cskin cis csimply ca cphysical cbarrier cthat ckeeps cmicrobes cfrom centering cthe cbody
E. cSalt, cdefensins, cenzymes, cand ca clow cpH cmake cthe cskin cinhospitable cfor call cmicrobes c- cCO
