UAMS MICROBIOLOGY 3 ACTUAL
EXAM PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ 30; 10 & weekly.
Answer: To isolate Brucella, blood cultures & bone marrows are hold for
___ days when nonautomated BC systems are utilized; ____ days for
automated BC systems. The specimens are subcultured ________ to BAP &
CHOC and held for 1 week.
◍ KIA results for Non-Lactose Fermenters.
Answer: K/AShigellaSerratiaYersiniaProvidenciaP. shigelloides
◍ Neisseria gonorrhoeae.
Answer: GNDCRequires CO2NG on BAPOn Choc grows flat, smooth, light
brown/greySalty or mousy smellAll Neisseria are ox +Superoxol Test (30%
H2O2) + Immediate and vigorous bubbling. Other Neisseria are - or weak,
delayed reactions.Glucose +
◍ 48 hours.
Answer: How long should anaerobe jars/bags be held before reading the
plates?
◍ Acinetobacter & Stenotrophomonas.
Answer: Name two nonfermentors that are oxidase negative.
◍ Oxidase Reagent.
Answer: Tetramethyl-para-phenylenediamine dihydrochloridePositive -
blueNegative - No color
◍ Carbohydrate Utilization Test.
Answer: pH indicator: Phenol RedPositive - Yellow (acid
, produced)Negative - Red
◍ Actinomyces israelii.
Answer: Although Actinobacillus actinomycetemcomitans is an aerobic
organism, it is often found in association with an anerobic organism. What
is that MO?
◍ Actinomyces.
Answer: What is the name of the anaerobic, branching GPB?
◍ Neisseria meningitidis.
Answer: GNDCRequires CO2Will grow on BAPFlat, smooth
coloniesOpaque/whiteResembles GCLatex Agglutination and Coag for
urine, CSF and SerumOxidase +Glucose and Maltose positive
◍ Actinomyces.
Answer: Which organism produces molar tooth colonies?
◍ Actinomyces.
Answer: Which organism produces sulfur granules?
◍ Neisseria lactamica.
Answer: Glucose, Maltose, Lactose +
◍ Neisseria sicca.
Answer: Glucose, Maltose, Lactose, Sucrose +
◍ Aeromonas & Plesiomonas.
Answer: Which two organisms appear as enterics on EMB & MAC, are
oxidase positive, and ferment glucose? (some species can also ferment
lactose)
◍ Aeromonas, Legionella (airborne/respiratory), Vibrio, &
P. aeruginosa.
Answer: Which organisms are associated with water?
◍ B. henselae, Pasteurella, & Capnocytophaga canimorsus/cynodegmi.
Answer: Which organisms are associated with dogs &/or cats?
,◍ Moraxella catarrhalis.
Answer: GNCOn BAP - Smooth, white coloniesOxidase +Nitrate +DNAse
Test +Butyrate Esterase + (Blue)All sugars negative
◍ Bacteroides fragilis.
Answer: What is the identification of the following organism:GNB,
anaerobeK, V, C & Bile = RBBE = black
◍ Bordetella pertussis.
Answer: Which organism causes whooping cough?
◍ Bartonella henselae.
Answer: Which organism causes cat scratch fever, bacteremia, bacillary
angiomatosis?
◍ Bartonella quintana.
Answer: Which organism causes trench fever, bacteremia, bacillary
angiomatosis?
◍ Bordetella & Chlamydia.
Answer: Name two aerobic organisms that require special transport media.
◍ All species of the genus Neisseria have the enzyme to oxidase:
A. Naphthylamine
B. Dimethylaminobenzaldehyde
C. Glucopyranoside
D. Tetramethyl-phenylenediamine.
Answer: Tetramethyl-phenylenediamine (Oxidase)
◍ Bordetella.
Answer: Which organism produces mercury drop colonies?
◍ Haemophilus species.
Answer: GNR (pleomorphic and coccobacilli)blood lovingAll require X
Factor (hemin)for growthMost require V Factor (NAD)Most won't grow on
sheep BAP. Will grow on horse and rabbit BAP (X Factor) and Choc (X and
V Factor)Prefers CO2On CHOC flat, smooth, Grey/Light Brown
, colorMousy or salty smell
◍ Borrelia burgdorferi.
Answer: Which organism causes Lyme disease?
◍ Haemophilus aegyptius.
Answer: PinkeyeBrazillian Purpuric Fever
◍ Borrelia recurrentis.
Answer: Which organism is associated with lice?
◍ Borrelia recurrentis.
Answer: Which organism causes relapsing fever?
◍ Haemophilus ducreyi.
Answer: Chancroidsexually transmittedSchool of Fish
◍ Brucella & Francisella.
Answer: Which organisms are considered laboratory hazards?
◍ Brucella & Francisella.
Answer: Which organisms are identified presumptively and then referred to
the Arkansas Health Department?
◍ Brucella.
Answer: Which organism causes undulant fever?
◍ Bulkholderia cepacia & mucoid Pseudomonas aeruginosa.
Answer: Name two organisms associated with cystic fibrosis patients.
◍ Requires X Factor.
Answer: H. ducreyi
◍ Requires V Factor.
Answer: H. parainfluenzaeH. parahaemolyticus
◍ Requires XV Factor.
Answer: H. influenzaeH. haemolyticus
◍ Burkholderia cepacia.
EXAM PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ 30; 10 & weekly.
Answer: To isolate Brucella, blood cultures & bone marrows are hold for
___ days when nonautomated BC systems are utilized; ____ days for
automated BC systems. The specimens are subcultured ________ to BAP &
CHOC and held for 1 week.
◍ KIA results for Non-Lactose Fermenters.
Answer: K/AShigellaSerratiaYersiniaProvidenciaP. shigelloides
◍ Neisseria gonorrhoeae.
Answer: GNDCRequires CO2NG on BAPOn Choc grows flat, smooth, light
brown/greySalty or mousy smellAll Neisseria are ox +Superoxol Test (30%
H2O2) + Immediate and vigorous bubbling. Other Neisseria are - or weak,
delayed reactions.Glucose +
◍ 48 hours.
Answer: How long should anaerobe jars/bags be held before reading the
plates?
◍ Acinetobacter & Stenotrophomonas.
Answer: Name two nonfermentors that are oxidase negative.
◍ Oxidase Reagent.
Answer: Tetramethyl-para-phenylenediamine dihydrochloridePositive -
blueNegative - No color
◍ Carbohydrate Utilization Test.
Answer: pH indicator: Phenol RedPositive - Yellow (acid
, produced)Negative - Red
◍ Actinomyces israelii.
Answer: Although Actinobacillus actinomycetemcomitans is an aerobic
organism, it is often found in association with an anerobic organism. What
is that MO?
◍ Actinomyces.
Answer: What is the name of the anaerobic, branching GPB?
◍ Neisseria meningitidis.
Answer: GNDCRequires CO2Will grow on BAPFlat, smooth
coloniesOpaque/whiteResembles GCLatex Agglutination and Coag for
urine, CSF and SerumOxidase +Glucose and Maltose positive
◍ Actinomyces.
Answer: Which organism produces molar tooth colonies?
◍ Actinomyces.
Answer: Which organism produces sulfur granules?
◍ Neisseria lactamica.
Answer: Glucose, Maltose, Lactose +
◍ Neisseria sicca.
Answer: Glucose, Maltose, Lactose, Sucrose +
◍ Aeromonas & Plesiomonas.
Answer: Which two organisms appear as enterics on EMB & MAC, are
oxidase positive, and ferment glucose? (some species can also ferment
lactose)
◍ Aeromonas, Legionella (airborne/respiratory), Vibrio, &
P. aeruginosa.
Answer: Which organisms are associated with water?
◍ B. henselae, Pasteurella, & Capnocytophaga canimorsus/cynodegmi.
Answer: Which organisms are associated with dogs &/or cats?
,◍ Moraxella catarrhalis.
Answer: GNCOn BAP - Smooth, white coloniesOxidase +Nitrate +DNAse
Test +Butyrate Esterase + (Blue)All sugars negative
◍ Bacteroides fragilis.
Answer: What is the identification of the following organism:GNB,
anaerobeK, V, C & Bile = RBBE = black
◍ Bordetella pertussis.
Answer: Which organism causes whooping cough?
◍ Bartonella henselae.
Answer: Which organism causes cat scratch fever, bacteremia, bacillary
angiomatosis?
◍ Bartonella quintana.
Answer: Which organism causes trench fever, bacteremia, bacillary
angiomatosis?
◍ Bordetella & Chlamydia.
Answer: Name two aerobic organisms that require special transport media.
◍ All species of the genus Neisseria have the enzyme to oxidase:
A. Naphthylamine
B. Dimethylaminobenzaldehyde
C. Glucopyranoside
D. Tetramethyl-phenylenediamine.
Answer: Tetramethyl-phenylenediamine (Oxidase)
◍ Bordetella.
Answer: Which organism produces mercury drop colonies?
◍ Haemophilus species.
Answer: GNR (pleomorphic and coccobacilli)blood lovingAll require X
Factor (hemin)for growthMost require V Factor (NAD)Most won't grow on
sheep BAP. Will grow on horse and rabbit BAP (X Factor) and Choc (X and
V Factor)Prefers CO2On CHOC flat, smooth, Grey/Light Brown
, colorMousy or salty smell
◍ Borrelia burgdorferi.
Answer: Which organism causes Lyme disease?
◍ Haemophilus aegyptius.
Answer: PinkeyeBrazillian Purpuric Fever
◍ Borrelia recurrentis.
Answer: Which organism is associated with lice?
◍ Borrelia recurrentis.
Answer: Which organism causes relapsing fever?
◍ Haemophilus ducreyi.
Answer: Chancroidsexually transmittedSchool of Fish
◍ Brucella & Francisella.
Answer: Which organisms are considered laboratory hazards?
◍ Brucella & Francisella.
Answer: Which organisms are identified presumptively and then referred to
the Arkansas Health Department?
◍ Brucella.
Answer: Which organism causes undulant fever?
◍ Bulkholderia cepacia & mucoid Pseudomonas aeruginosa.
Answer: Name two organisms associated with cystic fibrosis patients.
◍ Requires X Factor.
Answer: H. ducreyi
◍ Requires V Factor.
Answer: H. parainfluenzaeH. parahaemolyticus
◍ Requires XV Factor.
Answer: H. influenzaeH. haemolyticus
◍ Burkholderia cepacia.
