MCB 100: EXAM #2 REVIEW QUESTIONS AND CORREC
Which cof cthe cfollowing cis ca csign cof cdisease? c- cCORRECT cANS✔✔Fever
Which cof cthe cfollowing cis ca csymptom cof cdisease? c- cCORRECT cANS✔✔dizziness
What csteps cshould ca cresearcher ctake cto cestablish ca ccasue-and-effect crelationship cbetween ca c
c- cCORRECT cANS✔✔Identify cthe ccausative cpathogen.
Obtain cthe cpathogen cfrom cthe cdisease coutbreak cpatients.
Which cof cthe cfollowing cwould cmake cit cnot cpossible cto csatisfy call cof cKoch's cpostulates cfor ca cp
cCORRECT cANS✔✔The cmicroorganism ccannot cbe cisolated cin ca 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? c- cCORRECT cANS✔✔Make ca cmutation cin cthe csecretion csystem cand csee
csecreted.
Why cis cthe ctube cemptying cthe cbladder c(called cthe curethra) cmore clikely cto cbe ca cportal cof cexit
cCORRECT cANS✔✔Urine cmechanically cflushes cinvading cmicrobes cout cof cbody.
What cis czoonosis? c- cCORRECT cANS✔✔A cdisease cthat cspreads cnaturally cbetween canimals ca
What cis cone creason cthat cdoes cnot cexplain cwhy canimal creservoirs ccontribute cto chuman cdiseas
creservoirs? c- cCORRECT cANS✔✔Animal cimmune csystems care cmore cevolved cto cprevent ccross
chuman cimmune csystems.
Which cof cthe cfollowing cis ctrue cof ca cdisease ccarrier? c- cCORRECT cANS✔✔Some ccarriers cneve
Cold cand cInfluenza cviruses ctypically center cthe cbody cthrough cwhich croutes? c- cCORRECT cANS
The crole cof cgoblet ccells cin cthe cmucosal clayer cof cthe cintestine cis cto? c- cCORRECT cANS✔✔Se
cpathogens.
Which cof cthe cfollowing cis cNOT ca cway cthat cnormal cmicrobiota chelp cprotect cthe cbody cfrom cpat
cANS✔✔All cthe cother cchoices care ccorrect cstatements:
They cconsume cavailable cnutrients.
They ccan calter cthe cpH cof ctheir cenvironment.
They cprevent cpathogens cfrom cattaching.
, more ccontaminated cwater
poorer csanitation
less ceducation cabout cpathogen ctransmission
greater cprevalence cof cpathogenic cmicrobes
How ccan cviruses cbe cmore cresistant cthan cbacteria cto clysozyme cin ctears? c- cCORRECT cANS✔✔
cpeptidoglycan cand cviruses cdo cnot ccontain cpeptidoglycan
Which cof ctheses cstatements caccurately cdescribes cphagocytosis? c- cCORRECT cANS✔✔Pathoge
cphagolysosomes cby cacid cand coxidative cradicals
Are cprotein cmolecules creleased cby chost ccells cthat cinhibit cthe cspread cof cviral cinfections? c- cCO
Which cof cthe cfollowing cis cNOT ca creason ca chuman cphagocyte cmight cenclose ca cpathogenic cba
c- cCORRECT cANS✔✔To cabsorb cATP cfrom cthe ccytoplasm cof cthe cpathogen cbefore ckilling cit
Is cthe cprocess cin cwhich cpathogens care ccoated cwith cantibodies cor ccomplement cproteins cto cinc
cphagocytosis? c- cCORRECT cANS✔✔Opsonization
Which cstage cof cthe cvirus clife ccycle cdo cinterferon cAVP's c(antiviral cproteins) cdirectly cact cto cprev
cANS✔✔synthesis
Which cof cthe cfollowing cstatements cis cTRUE? c- cCORRECT cANS✔✔Chronic cinflammation ccan c
cdisease
Why cis cvasodilation ca cbeneficial cresponse cto cinvasion cof cthe cbody cby cpathogens? c- cCORREC
coxygen, cand cnutrients care cdelivered cto cthe csite cof cinfection
Which cresponse cbest cdescribes cthe cmost clikely coutcome cfor cthe cMAC c(membrane cattack ccom
cpanels cA cand cB cbelow cduring cthe ccomplement cresponse? c- cCORRECT cANS✔✔The cbacteria
cnegative cand cthus cefficiently crecognized cby cthe cMAC c
Panel cB cwas cpink
Which cof cthe cfollowing caccurately cdescribes ca cbeneficial caspect cof cfevers cfor cfighting can cinfec
cANS✔✔Fever celevates cbody ctemperatures cto cinhibit cthe cgrowth cof csome cmicrobes
Which cof cthe cfollowing cresponses cis cNOT ca ccorrect cinterpretation cof cthe cgraphs cbelow?
IgM cand cIgG cresponse ctimes cduring cprimary cantigen cexposure
IgM cand cIgG cresponse ctimes cduring csecondary cantigen cexposure c- cCORRECT cANS✔✔During
cfor cIgM cand cIgG cthere cis cno clag cperiod
What cis cthe cmain crole cof cprimary clymphoid corgans cin cadaptive cimmunity? c- cCORRECT cANS✔
cmature cin cthese corgans
The cmain cfunction cof cB clymphocytes cduring can cadaptive cimmune cresponse cis? c- cCORRECT c
cantibodies
Which cof cthe cfollowing cstatements cregarding cmemory cB ccells cis cMOST caccurate? c- cCORREC
clymphoid ctissues cfor cup cto c20 cyears cafter cantigen cexposure
Is cthe cmost ccommon cand clongest-lasting cclass cof cantibody cin cthe cblood? c- cCORRECT cANS✔
The cbody cuses ccell-mediated cimmune cresponses cprimarily cagainst? c- cCORRECT cANS✔✔intra
ccells
Which cof cthe cfollowing cis ca csign cof cdisease? c- cCORRECT cANS✔✔Fever
Which cof cthe cfollowing cis ca csymptom cof cdisease? c- cCORRECT cANS✔✔dizziness
What csteps cshould ca cresearcher ctake cto cestablish ca ccasue-and-effect crelationship cbetween ca c
c- cCORRECT cANS✔✔Identify cthe ccausative cpathogen.
Obtain cthe cpathogen cfrom cthe cdisease coutbreak cpatients.
Which cof cthe cfollowing cwould cmake cit cnot cpossible cto csatisfy call cof cKoch's cpostulates cfor ca cp
cCORRECT cANS✔✔The cmicroorganism ccannot cbe cisolated cin ca 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? c- cCORRECT cANS✔✔Make ca cmutation cin cthe csecretion csystem cand csee
csecreted.
Why cis cthe ctube cemptying cthe cbladder c(called cthe curethra) cmore clikely cto cbe ca cportal cof cexit
cCORRECT cANS✔✔Urine cmechanically cflushes cinvading cmicrobes cout cof cbody.
What cis czoonosis? c- cCORRECT cANS✔✔A cdisease cthat cspreads cnaturally cbetween canimals ca
What cis cone creason cthat cdoes cnot cexplain cwhy canimal creservoirs ccontribute cto chuman cdiseas
creservoirs? c- cCORRECT cANS✔✔Animal cimmune csystems care cmore cevolved cto cprevent ccross
chuman cimmune csystems.
Which cof cthe cfollowing cis ctrue cof ca cdisease ccarrier? c- cCORRECT cANS✔✔Some ccarriers cneve
Cold cand cInfluenza cviruses ctypically center cthe cbody cthrough cwhich croutes? c- cCORRECT cANS
The crole cof cgoblet ccells cin cthe cmucosal clayer cof cthe cintestine cis cto? c- cCORRECT cANS✔✔Se
cpathogens.
Which cof cthe cfollowing cis cNOT ca cway cthat cnormal cmicrobiota chelp cprotect cthe cbody cfrom cpat
cANS✔✔All cthe cother cchoices care ccorrect cstatements:
They cconsume cavailable cnutrients.
They ccan calter cthe cpH cof ctheir cenvironment.
They cprevent cpathogens cfrom cattaching.
, more ccontaminated cwater
poorer csanitation
less ceducation cabout cpathogen ctransmission
greater cprevalence cof cpathogenic cmicrobes
How ccan cviruses cbe cmore cresistant cthan cbacteria cto clysozyme cin ctears? c- cCORRECT cANS✔✔
cpeptidoglycan cand cviruses cdo cnot ccontain cpeptidoglycan
Which cof ctheses cstatements caccurately cdescribes cphagocytosis? c- cCORRECT cANS✔✔Pathoge
cphagolysosomes cby cacid cand coxidative cradicals
Are cprotein cmolecules creleased cby chost ccells cthat cinhibit cthe cspread cof cviral cinfections? c- cCO
Which cof cthe cfollowing cis cNOT ca creason ca chuman cphagocyte cmight cenclose ca cpathogenic cba
c- cCORRECT cANS✔✔To cabsorb cATP cfrom cthe ccytoplasm cof cthe cpathogen cbefore ckilling cit
Is cthe cprocess cin cwhich cpathogens care ccoated cwith cantibodies cor ccomplement cproteins cto cinc
cphagocytosis? c- cCORRECT cANS✔✔Opsonization
Which cstage cof cthe cvirus clife ccycle cdo cinterferon cAVP's c(antiviral cproteins) cdirectly cact cto cprev
cANS✔✔synthesis
Which cof cthe cfollowing cstatements cis cTRUE? c- cCORRECT cANS✔✔Chronic cinflammation ccan c
cdisease
Why cis cvasodilation ca cbeneficial cresponse cto cinvasion cof cthe cbody cby cpathogens? c- cCORREC
coxygen, cand cnutrients care cdelivered cto cthe csite cof cinfection
Which cresponse cbest cdescribes cthe cmost clikely coutcome cfor cthe cMAC c(membrane cattack ccom
cpanels cA cand cB cbelow cduring cthe ccomplement cresponse? c- cCORRECT cANS✔✔The cbacteria
cnegative cand cthus cefficiently crecognized cby cthe cMAC c
Panel cB cwas cpink
Which cof cthe cfollowing caccurately cdescribes ca cbeneficial caspect cof cfevers cfor cfighting can cinfec
cANS✔✔Fever celevates cbody ctemperatures cto cinhibit cthe cgrowth cof csome cmicrobes
Which cof cthe cfollowing cresponses cis cNOT ca ccorrect cinterpretation cof cthe cgraphs cbelow?
IgM cand cIgG cresponse ctimes cduring cprimary cantigen cexposure
IgM cand cIgG cresponse ctimes cduring csecondary cantigen cexposure c- cCORRECT cANS✔✔During
cfor cIgM cand cIgG cthere cis cno clag cperiod
What cis cthe cmain crole cof cprimary clymphoid corgans cin cadaptive cimmunity? c- cCORRECT cANS✔
cmature cin cthese corgans
The cmain cfunction cof cB clymphocytes cduring can cadaptive cimmune cresponse cis? c- cCORRECT c
cantibodies
Which cof cthe cfollowing cstatements cregarding cmemory cB ccells cis cMOST caccurate? c- cCORREC
clymphoid ctissues cfor cup cto c20 cyears cafter cantigen cexposure
Is cthe cmost ccommon cand clongest-lasting cclass cof cantibody cin cthe cblood? c- cCORRECT cANS✔
The cbody cuses ccell-mediated cimmune cresponses cprimarily cagainst? c- cCORRECT cANS✔✔intra
ccells
