UAMS MICROBIOLOGY 3 PRACTICE
EXAMINATION 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ GNRBrown/black pigmentFluoresce red under UV lightR to kanamycin and
vancS to bileVariable to colistin.
Answer: Prevotella melaninogenica
◍ Psuedomonas aeruginosa causes.
Answer: -swimmer's ear -burn infection -colonize in respiratory tract of CF
patients
◍ Media used for Burkholderia cepacia.
Answer: BCSA or OFPBL agar
◍ Capnocytophaga gram stain.
Answer: Fusiform GNB
◍ Coxiella habitat.
Answer: variety of animals
◍ Bacteremia associated with malignancy is related to.
Answer: Clostridium septicum
◍ Gardnerella vaginalis causes.
Answer: bacterial vaginosis
◍ Name a small anaerobic GPB.
Answer: Propionibacterium
◍ Vibrio is usually transmitted through contaminated _ & _..
Answer: Water and seafood
◍ What are the media used to isolate Gardnerella vaginalis?.
, Answer: V agar or HBT agar
◍ How does Bordetella pertussia appear on Bordet-Gengou?.
Answer: Mercury drops
◍ Which organism appears green on TSA and why?.
Answer: Pseudomonas aeruginosa produces pyocyanin
◍ What is the Gram stain result for Cardiobacterium hominis?.
Answer: Gram negative rods in rosettes
◍ Fusobacterium nucleatum gram stain.
Answer: Fusiform GNB
◍ What is the gram stain result for the nonfermenters?.
Answer: GNB
◍ The isolation of Clostridium septicum from a blood culture is often
associated with _ _..
Answer: Underlying malignancy
◍ Rickettsia/Ehrlichia/Anaplasma/Borrelia habitat.
Answer: ticks
◍ Besides clostridium what other anaerobic GPB are described in the notes?.
Answer: Eubacterium & Bifidobacterium
◍ Name an anaerobic GPC.
Answer: Peptostreptococcus
◍ What is the selective and differential medium used to isolate Vibrio?.
Answer: TCBS agar
◍ Which organisms fluorescence red?.
Answer: Prevotella, Porphyromonas, & Veillonella
◍ Which organism mostly affects pt's with liver disease.
Answer: Vibrio vulnificus
◍ Name two nonfermentors that are oxidase negative..
, Answer: Acinetobacter
◍ Vibrio cholerae causes.
Answer: cholera
◍ Name the STD caused by Chlamydia trachomatis that produces a regional
lymphadenopathy (hint: the disease is rarely seen in the US)..
Answer: Lymphogranuloma venereum
◍ What is the name of the anaerobic, spore forming GPB?.
Answer: Clostridium
◍ What is the gram stain result for Gardnerella vaginalis?.
Answer: Gram variable coccobacilli
◍ What distinguishes Streptobacillus moniliformis from Spirillium minus?.
Answer: Streptobacillus is culturable, spirillium is not
◍ How does Clostridium difficile appear on CCFA?.
Answer: Yellow
◍ Causes gastric ulcers.
Answer: Helicobacter pylori
◍ GPRNerve toxin - Neuroparalytic.
Answer: Clostridium botulinum
◍ Helicobacteria pylori causes.
Answer: gastric ulcers
◍ What are the indicators that are used in anaerobic jars/chamber?.
Answer: Methylene blue (blue in O2) & resazurin (pink in O2)
◍ What is the Gram stain result for Actinomyces?.
Answer: Gram positive branching rods
◍ Which organism causes rocky mountain spotted fever.
Answer: Rickettsia rickettsii
◍ Spirillium minor & Streptobacillus moniliformis causes.
EXAMINATION 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ GNRBrown/black pigmentFluoresce red under UV lightR to kanamycin and
vancS to bileVariable to colistin.
Answer: Prevotella melaninogenica
◍ Psuedomonas aeruginosa causes.
Answer: -swimmer's ear -burn infection -colonize in respiratory tract of CF
patients
◍ Media used for Burkholderia cepacia.
Answer: BCSA or OFPBL agar
◍ Capnocytophaga gram stain.
Answer: Fusiform GNB
◍ Coxiella habitat.
Answer: variety of animals
◍ Bacteremia associated with malignancy is related to.
Answer: Clostridium septicum
◍ Gardnerella vaginalis causes.
Answer: bacterial vaginosis
◍ Name a small anaerobic GPB.
Answer: Propionibacterium
◍ Vibrio is usually transmitted through contaminated _ & _..
Answer: Water and seafood
◍ What are the media used to isolate Gardnerella vaginalis?.
, Answer: V agar or HBT agar
◍ How does Bordetella pertussia appear on Bordet-Gengou?.
Answer: Mercury drops
◍ Which organism appears green on TSA and why?.
Answer: Pseudomonas aeruginosa produces pyocyanin
◍ What is the Gram stain result for Cardiobacterium hominis?.
Answer: Gram negative rods in rosettes
◍ Fusobacterium nucleatum gram stain.
Answer: Fusiform GNB
◍ What is the gram stain result for the nonfermenters?.
Answer: GNB
◍ The isolation of Clostridium septicum from a blood culture is often
associated with _ _..
Answer: Underlying malignancy
◍ Rickettsia/Ehrlichia/Anaplasma/Borrelia habitat.
Answer: ticks
◍ Besides clostridium what other anaerobic GPB are described in the notes?.
Answer: Eubacterium & Bifidobacterium
◍ Name an anaerobic GPC.
Answer: Peptostreptococcus
◍ What is the selective and differential medium used to isolate Vibrio?.
Answer: TCBS agar
◍ Which organisms fluorescence red?.
Answer: Prevotella, Porphyromonas, & Veillonella
◍ Which organism mostly affects pt's with liver disease.
Answer: Vibrio vulnificus
◍ Name two nonfermentors that are oxidase negative..
, Answer: Acinetobacter
◍ Vibrio cholerae causes.
Answer: cholera
◍ Name the STD caused by Chlamydia trachomatis that produces a regional
lymphadenopathy (hint: the disease is rarely seen in the US)..
Answer: Lymphogranuloma venereum
◍ What is the name of the anaerobic, spore forming GPB?.
Answer: Clostridium
◍ What is the gram stain result for Gardnerella vaginalis?.
Answer: Gram variable coccobacilli
◍ What distinguishes Streptobacillus moniliformis from Spirillium minus?.
Answer: Streptobacillus is culturable, spirillium is not
◍ How does Clostridium difficile appear on CCFA?.
Answer: Yellow
◍ Causes gastric ulcers.
Answer: Helicobacter pylori
◍ GPRNerve toxin - Neuroparalytic.
Answer: Clostridium botulinum
◍ Helicobacteria pylori causes.
Answer: gastric ulcers
◍ What are the indicators that are used in anaerobic jars/chamber?.
Answer: Methylene blue (blue in O2) & resazurin (pink in O2)
◍ What is the Gram stain result for Actinomyces?.
Answer: Gram positive branching rods
◍ Which organism causes rocky mountain spotted fever.
Answer: Rickettsia rickettsii
◍ Spirillium minor & Streptobacillus moniliformis causes.
