Micro Lab Exam 2

MICRO LAB EXAM 2 WITH COMPLETE
ANSWERS

The rregion rwith rthe rhighest rpercentage rof rmultidrug rresistant rP. raeruginosa ris
r_______? r
a. rLatin rAmerica
b. rAsia-Pacific
c. rEurope
d. rNorth rAmerica r- rCORRECT✅✅Latin rAmerica

What rantimicrobial roxidant rdoes rthe rimmune rsystem rproduce rin rresponse rto rP.
raeruginosa?
a.Titanium rdioxide
b. rHypochlorous racid
c. rPeracetic racid
d. rHuman rantimicrobial rpeptides r(AMPs) r- rCORRECT✅✅Hypochlorous racid

What rcell-to-cell rsecretion rsystem(s) ris rutilized rby rthe rpathogen rPseudomonas
raeruginosa?
a. rType rI
b. rType rIII r& rVI
c. rTypeV&II
d. rType rIV r- rCORRECT✅✅Type rIII rand rVI

4. rWhich rof rthe rfollowing ris ridentified ras ra rcontributing rfactor rto rantimicrobial
rresistance rin rlower-income rcountries raccording rto rthe rinformation rprovided?
a. rGDP
b. rGovernment rand rprivate rhealth rexpenditures
c. rCorruption rand rlimited rresources
d. rNational rhealth rpolicies r- rCORRECT✅✅Corruption rand rlimited rresources

How ris rPseudomonas raeruginosa rdiagnosed?
a. rBlood rsample
b. rSkin rsample
c. rLung rbiopsy
d. rUrine rsample r- rCORRECT✅✅Blood rsample

Where ris rP. raeruginosa rspread rmost roften? rThrough rwhat rreservoirs? r-
rCORRECT✅✅P. raeruginosa ris rspread rin rhealthcare rsettings rthrough rwater rand
rsoil.


What rare rsome rways rto rprevent rthe rspread rof rP. raerugginosa? r-
rCORRECT✅✅Using rinfection rcontrol rpractices rsuch ras rhand rwashing rand
renvironmental rcleaning

, Briefly rexplain rwhy rPseudomonas raeruginosa ris rsuch ra rversatile rand rresistant
rpathogen. r- rCORRECT✅✅P. raeruginosa rmutates rto rswarm rat rincreased rspeeds
rwhich rincreases rcontact rwith rhost rcells. rThe rspecies ralso rare rcapable rof rinhabiting
rboth rnutrient-rich rand rpoor renvironments. rLastly, rP. raeruginosa rcan rform rbiofilms
rthat rincrease rresilience rto rboth rthe rimmune rsystem rand rantibiotics.


What ris rKlebsiella rpneumonia roxygen rrequirement?
a. rFacultative ranaerobe
b. rObligate ranaerobe
c. rObligate raerobe
d. rBarophile r- rCORRECT✅✅Facultative ranaerobe

Where rdo rmost rof rthe rKlebsiella rpneumonia rinfections roccur?
a. rEurope
b. rAustralia
c. rSoutheast rAsia rand rSouth rAfrica
d. rSouth rAmerica r- rCORRECT✅✅Southeast rAsia rand rSouth rAfrica

What rshape ris rKlebsiella rpneumonia?
a. rCocci
b. rBacillus
c. rSpirochete
d. rSpirillum r- rCORRECT✅✅Bacillus

Klebsiella rpneumonia ris rworse rfor
a. rAlcohol rusers
b. rPeople rwith rDiabetes rMellitus
c. rElderly
d. rAll rof rthe rabove r- rCORRECT✅✅all rof rthe rabove

Klebsiella rpneumonia ris ra r_____
a. rGram rnegative
b. rGram rpositive
c. rBoth rgram rpositive rand rgram rnegative
d. rNone rof rthe rabove r- rCORRECT✅✅Gram rnegative

Describe rthe rprognosis rof rK. rpneumonia r- rCORRECT✅✅Bad rfor rthose rwho rare
rimmunocompromised, ralcoholics, relderly.


What rconditions rcauses rK. rpneumonia rto ruse rthe rfermentation rpathway rinstead rof
rthe rcritic racid rcycle? r- rCORRECT✅✅When rit rdoesn't rhave roxygen rferments.


Describe rthe rtwo rimmune rresponses rthat roccur rwith rK. rpneumonia. r-
rCORRECT✅✅innate r(Neutrophils- rphagocytosis rand rNETS rat rinfection rsite.