UAMS Microbiology Exam 3 2026 – Questions, Answers & Study Guide PDF

UAMS,./MICRO,./EXAM,./
3
1. OF,./Reaction,./for,./Fermenters:,./Open,./tube:,./Acid,./(yello
w),./Closed,./tube:,./Acid,./(yellow)

Ex:,./Enterobacteriacea
2. OF,./Reaction,./for,./Oxidizers:,./Open,./tube:,./Acid,./(yello
w),./Closed,./tube:,./No,./acid,./(green/blue)

Ex:,./Pseudomonas,./aeruginosa
3. OF,./Reaction,./for,./Non-
oxidizers:,./Open,./tube:,./No,./acid,./(green/blue),./Closed,./tube:,./No,./acid,./(g
reen/blue)

Ex:,./Assachrolytic,./Acinetobacter
4. Nitrate,./Reduction,./Test:
Nitrate,./reduced,./to,./Nitrite.:,./ (+),./result;,./red,./color,./within,./30,./min,./of,./addition,./of,./Reagents,./A,./and,./B.

Ex.,./E.,./coli.
5. Nitrate,./Reduction,./Test:
Nitrogen,./gas,./produced.:,./(+),./results.,./Red,./color,./does,./not,./appear,./with,./addition,./of,./Reagents,./A,./and,./
B.
Medium,./stays,./colorless,./when,./zinc,./dust,./is,./added.

Ex:,./Pseudomonas,./aeruginosa.
6. Nitrate,./Reduction,./Test:
Nitrate,./not,./reduced.:,./A,./negative,./result.,./A,./red,./color,./appears,./after,./the,./addition,./of,./zinc,./dust.

Ex:,./Acinetobacter.
7. Pseudomonas,./aeruginosa,./Diseases:,./Causes,./diseases,./such,./as,./swimmer's,./ear,./and,./infectio
ns,./in,./immunocompromised,./patients,./(CF,./and,./burn,./patients).
8. Pseudomonas,./aeruginosa,./Morphology:,./Morphology:,./Large,,./irregularly,./shaped,,./metalli
c, . / sheen.,./Produces,./Pyocyanin.,./Beta,./hemolytic,./on,./sheep,./BAP;,./Grows,./on,./MAC,./(lactose,./neg).
Grows,./on,./routine,./media,./including,./MAC.
9. P.,./aeruginosa,./Key,./ID,./Tests:,./Glucose,./oxidiz

, UAMS,./MICRO,./EXAM,./
3 ,./positive
er,./Oxidase
Growth,./at,./42,./degrees

, UAMS,./MICRO,./EXAM,./
3
TSI:,./A/NC
Produces,./pyocyanin
10. Pseudomonas, . / aeruginosa:, . / What,./is,./the,./most,./commonly,./isolated,./NFB?
11. Acinetobacter:,./ What,./is,./the,./2nd,./most,./commonly,./isolated,./NFB?
12. Which,./species,./of,./Acinetobacter,./are,./saccharolytic,./and,./which,./are,./
as-sacharolytic?:,./A.,./baumannii,./=,./saccharolytic
A.,./lwofli,./=,./assaccharolytic
13. Acinetobacter,./Key,./ID,./Tests:,./Oxidase,./negati
ve,./Nitrate,./negative
Glucose,./utilization
14. Which,./microbe,./can,./appear,./as,./pairs,./of,./plump,./coccobacilli,./or,./as,./filamentou
s,./rods?:,./Acinetobacter
15. What,./is,./the,./3rd,./most,./commonly,./isolated,./NFB?:,./Stenotrophomonas,./maltophilia
16. Key, . / ID, . / for, . / Stenotrophomonas, . / maltophilia:, . / Oxidase,./negative
Growth,./on,./MAC
Uses,./glucose,./and,./maltos
e,./Sensitive,./to,./SXT
17. Diseases,./of,./Burkholderia,./cepacia:,./Important,./nosocomial,./pathogen
Cepacia,./syndrome:,./severe,./resp,./disease,./in,./CF,./patients
18. What,./color,./is,./B.,./cepacia,./on,./BCSA,./and,./OFPBL,./agar?:,./Yellow,./-
,./produces,./acid,./from,./lactose


19. What,./microbe,./has,./a,./strong,,./earthy,./odor?:,./Burkholderia,./cepacia,./(and,./pseudomallei)
20. ID,./ for,./ B.,./ cepacia:,./ Oxidase,./positive,./(weak)
Bipolar,./staining,./on,./Gram,./stain
21. What,./microbe,./causes,./melioidosis,,./an,./aggressive,./granulomatous,./pul
-monary,./disease?:,./Burkholderia,./pseudomallei
22. What,./microbe,./is,./known,./as,./the,./Vietnamese,./time,./bomb?:,./B.,./pseudomallei
23. What,./microbe,./produces,./wrinkled,./colonies,./on,./lab,./media?:,./B.,./pseudomallei
24. ID,./for,./B.,./pseudomallei:,./Oxidase,./positive,./(weak)
25. Moraxella,./characteristics,./on,./Gram,./stain:,./Pairs,./of,./plump,./coccobacilli
Penicillin,./test,./is,./used,./to,./ditterentiate,./short,./coccobacilli,./to,./true,./cocci.
-coccobacilli,./will,./form,./rods