UAMS MICROBIOLOGY 3
COMPREHENSIVE STUDY GUIDE 2026
FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ What causes pontiac fever.
Answer: Legionella pneumophila
◍ GN spirocheteCauses gastric ulcersRapid urease positiveRarely diagnosed
by culture methods.
Answer: Helicobacter pylori
◍ Which organism causes cat scratch fever, bacteremia, bacillary
angiomatosis?.
Answer: Bartonella henselae
◍ Some organisms are not commonly cultured, but are detected by using
serological methods. What are these organisms?.
Answer: Francisella
◍ Name nonfermenter organisms.
Answer: -Pseudomonas-Burkholderia-Stenotrophomonas(Only one not
Oxidase +)-Acinetobacter-Moraxella
◍ What organism causes Parrot fever.
Answer: Chlamydia psittaci
◍ What organisms are used to perform the reverse CAMP test?.
Answer: Known Group B Strep and suspected Clostridium perfringens
isolate
◍ Which organism causes melioidosis and is known as the Vietnamese time
, bomb?.
Answer: Burkholderia pseudomallei
◍ What is the recommended medium used to isolate Francisella tularensis?.
Answer: Glucose-cysteine blood agar
◍ Media used for Gardnerella vaginallis.
Answer: HBT or V agar
◍ What is the gram stain result for Actinomyces?.
Answer: GPB, branching
◍ Two organisms that were previously in the Chlamydia genus are now in a
genus called Chlamydophila? What are these organisms and what diseases
do they cause?.
Answer: C. pneumoniae causes pneumonia, C. psittaci causes ornithosis or
parrot fever
◍ Borrelia burgdorferi causes.
Answer: Lyme disease
◍ Media used for Chlamydia trachomonas.
Answer: Tissue culture cells
◍ Campylobacter gram stain.
Answer: GNB s-shaped, seagull wings
◍ Which organisms are considered laboratory hazards?.
Answer: Brucella & Francisella
◍ Media used for Leptospira.
Answer: Fletcher's agar
◍ Ehrlichia chaffeensis causes.
Answer: human monocytic ehrlichiosis
◍ GNRJoint and bone infections in children (Kingella kingae)Catalase
negative (used to differentiate from Neisseria)Oxidase positiveGlucose
fermenterCan grow on MTM.
, Answer: Kingella species
◍ What is the anaerobic selective medium that inhibits facultative GNBs but
allows the growth of facultative GPC and rods and as well as most
anaerobes?.
Answer: PEA-K
◍ Mycoplasma hominis causes.
Answer: genital tract infections
◍ Which organisms need a microaerobic atmosphere for growth?.
Answer: Campylobacter & Helicobacter
◍ What is the gram stain result for Eubacterium and Bifidobacterium?.
Answer: GPB
◍ Which organism produces a double zone of hemolysis?.
Answer: C. perfringens
◍ How long are cultures held in the anaerobic chamber before they are read?.
Answer: 18-24 hours
◍ What disease is usually associated with Campylobacter jejuni and
Campylobacter coli?.
Answer: Diarrhea
◍ Which organisms need a CO2 atmosphere for growth?.
Answer: HACEK group, Capnocytophaga, Brucella
◍ Bordetella on Bordet-Gengou.
Answer: Mercury Drops
◍ Bartonella henselae causes.
Answer: cat scratch fever, bacteremia, and bacillary angiomatosis
◍ What organisms are used to perform the reverse CAMP test?.
Answer: GBS
◍ Bartonella henselae causes.
Answer: cat scratch fever, bacteremia, bacillary angiomatosis
COMPREHENSIVE STUDY GUIDE 2026
FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ What causes pontiac fever.
Answer: Legionella pneumophila
◍ GN spirocheteCauses gastric ulcersRapid urease positiveRarely diagnosed
by culture methods.
Answer: Helicobacter pylori
◍ Which organism causes cat scratch fever, bacteremia, bacillary
angiomatosis?.
Answer: Bartonella henselae
◍ Some organisms are not commonly cultured, but are detected by using
serological methods. What are these organisms?.
Answer: Francisella
◍ Name nonfermenter organisms.
Answer: -Pseudomonas-Burkholderia-Stenotrophomonas(Only one not
Oxidase +)-Acinetobacter-Moraxella
◍ What organism causes Parrot fever.
Answer: Chlamydia psittaci
◍ What organisms are used to perform the reverse CAMP test?.
Answer: Known Group B Strep and suspected Clostridium perfringens
isolate
◍ Which organism causes melioidosis and is known as the Vietnamese time
, bomb?.
Answer: Burkholderia pseudomallei
◍ What is the recommended medium used to isolate Francisella tularensis?.
Answer: Glucose-cysteine blood agar
◍ Media used for Gardnerella vaginallis.
Answer: HBT or V agar
◍ What is the gram stain result for Actinomyces?.
Answer: GPB, branching
◍ Two organisms that were previously in the Chlamydia genus are now in a
genus called Chlamydophila? What are these organisms and what diseases
do they cause?.
Answer: C. pneumoniae causes pneumonia, C. psittaci causes ornithosis or
parrot fever
◍ Borrelia burgdorferi causes.
Answer: Lyme disease
◍ Media used for Chlamydia trachomonas.
Answer: Tissue culture cells
◍ Campylobacter gram stain.
Answer: GNB s-shaped, seagull wings
◍ Which organisms are considered laboratory hazards?.
Answer: Brucella & Francisella
◍ Media used for Leptospira.
Answer: Fletcher's agar
◍ Ehrlichia chaffeensis causes.
Answer: human monocytic ehrlichiosis
◍ GNRJoint and bone infections in children (Kingella kingae)Catalase
negative (used to differentiate from Neisseria)Oxidase positiveGlucose
fermenterCan grow on MTM.
, Answer: Kingella species
◍ What is the anaerobic selective medium that inhibits facultative GNBs but
allows the growth of facultative GPC and rods and as well as most
anaerobes?.
Answer: PEA-K
◍ Mycoplasma hominis causes.
Answer: genital tract infections
◍ Which organisms need a microaerobic atmosphere for growth?.
Answer: Campylobacter & Helicobacter
◍ What is the gram stain result for Eubacterium and Bifidobacterium?.
Answer: GPB
◍ Which organism produces a double zone of hemolysis?.
Answer: C. perfringens
◍ How long are cultures held in the anaerobic chamber before they are read?.
Answer: 18-24 hours
◍ What disease is usually associated with Campylobacter jejuni and
Campylobacter coli?.
Answer: Diarrhea
◍ Which organisms need a CO2 atmosphere for growth?.
Answer: HACEK group, Capnocytophaga, Brucella
◍ Bordetella on Bordet-Gengou.
Answer: Mercury Drops
◍ Bartonella henselae causes.
Answer: cat scratch fever, bacteremia, and bacillary angiomatosis
◍ What organisms are used to perform the reverse CAMP test?.
Answer: GBS
◍ Bartonella henselae causes.
Answer: cat scratch fever, bacteremia, bacillary angiomatosis
