UAMS MICROBIOLOGY CASE
DEVELOPMENT Study Set 2
Questions All Solved Correct 2025-
2026 Updated.
Perform 2 different ID tests - Answer Procedure for medicolegal cases when an isolate appears
to be GC
Isolate specific GNR such as salmonella and shigella - Answer Purpose of GN broth
Probable UTI - Answer One organism with a colony counts of 10^5 CFU/mL
Probable Contaminant - Answer Multiple organisms with equal colony counts
Probable UTI - Answer one organism with a colony count of 10^5 CFU/mL and one organism
with 30 colonies
Number of colonies x calibration factor of loop
(0.1mL = .01mL= 1000) - Answer formula for calculating colony forming units
Vaginal cells with bacteria growing on them - Answer Clue cells
Bacterial Vaginosis - Answer Disease associated with clue cells
Gram negative-Gram variable - Answer organisms associated with bacterial vaginosis
Superficial skin contamination - Answer presence of epithelial cells on a gram stain could
indicate what?
Clinically Significant - Answer Organisms in smears prepared from high quality specimens are
probably what?
, from infected animals - Answer How is Brucella and Pasturella transmitted?
From contaminated water - Answer How is Aeromonas and Legionella Transmistted?
From Sexual contact - Answer How is Chlamydia Transmitted?
Metallic Green Sheen - Answer E. coli appearance on EMB
Pink mucoid - Answer Klebsiella on MAC
Colorless - Answer Salmonella and Shigella on EMB, MAC, SS agars
Salmonella - Answer Between salmonella and shigella, which one is H2S positive?
Fermenting Lactose - Answer Why does E. coli, Klebsiella and Enterobacter appear pink on
MAC, Red on SS, Yellow-orange on HE and yellow on XLD?
Catalase +
Coagulate +
Beta Hemolysis
GPC in clusters - Answer Key Biochemical tests of S. aureus
Catalase +
Coagulase -
Novobiocin Resistant
GPC clusters - Answer Key biochemical tests of S. saprophyticus
Catalase+
Coagulase -
GPC clusters - Answer Key biochemical tests of CNS
DEVELOPMENT Study Set 2
Questions All Solved Correct 2025-
2026 Updated.
Perform 2 different ID tests - Answer Procedure for medicolegal cases when an isolate appears
to be GC
Isolate specific GNR such as salmonella and shigella - Answer Purpose of GN broth
Probable UTI - Answer One organism with a colony counts of 10^5 CFU/mL
Probable Contaminant - Answer Multiple organisms with equal colony counts
Probable UTI - Answer one organism with a colony count of 10^5 CFU/mL and one organism
with 30 colonies
Number of colonies x calibration factor of loop
(0.1mL = .01mL= 1000) - Answer formula for calculating colony forming units
Vaginal cells with bacteria growing on them - Answer Clue cells
Bacterial Vaginosis - Answer Disease associated with clue cells
Gram negative-Gram variable - Answer organisms associated with bacterial vaginosis
Superficial skin contamination - Answer presence of epithelial cells on a gram stain could
indicate what?
Clinically Significant - Answer Organisms in smears prepared from high quality specimens are
probably what?
, from infected animals - Answer How is Brucella and Pasturella transmitted?
From contaminated water - Answer How is Aeromonas and Legionella Transmistted?
From Sexual contact - Answer How is Chlamydia Transmitted?
Metallic Green Sheen - Answer E. coli appearance on EMB
Pink mucoid - Answer Klebsiella on MAC
Colorless - Answer Salmonella and Shigella on EMB, MAC, SS agars
Salmonella - Answer Between salmonella and shigella, which one is H2S positive?
Fermenting Lactose - Answer Why does E. coli, Klebsiella and Enterobacter appear pink on
MAC, Red on SS, Yellow-orange on HE and yellow on XLD?
Catalase +
Coagulate +
Beta Hemolysis
GPC in clusters - Answer Key Biochemical tests of S. aureus
Catalase +
Coagulase -
Novobiocin Resistant
GPC clusters - Answer Key biochemical tests of S. saprophyticus
Catalase+
Coagulase -
GPC clusters - Answer Key biochemical tests of CNS
