All
Dees
Are
About
GNR
100
The stock cultures needed for QC testing of motility are A. Salmonella typhimurium/E. coli B. E. coli/P. aeruginosa C. Serratia marcescans/E.coli D. Kleb pneumo/ E. coli
What is D. Kleb pneumo/E. coli
100
Shigella species are characteristically: A. urease positive B. nonmotile C. oxidase positive D. lactose fermenters
What is B. nonmotile
100
MacConkey agar for screening for E.coli O157:H7 must contain: A. Indole B. Citrate C. Sorbitol D. Lactose
What is C. Sorbitol
100
Incubator temp for Campylobacter jejuni/coli group? A. 4 C B. 20 C C. 37 C D. 42 C
What is D. 42 C
100
Grape like odor
What is Pseudomonas aeruginosa
200
Which one of the following ferments glucose? A. Alcaligenes faecalis B. Pseudomonas cepacia C. Acinetobacter lwoffii D. Yersinia enterocolitica
What is D. Yersinia enterocolitica
200
A gram stain from a gastric biopsy shows gram negative bacilli that are slender and curved. The most likely pathogen is: A. Burkholderia cepacia B. Cornybacterium urealyticum C. Helicobacter pylori D. Pasteurella multocida
What is C. Helicobacter pylori
200
Which of the following causes traveler's diarrhea? A. Yersinia entercolitica B. E. coli C. Salmonella typhi D. Shigella dysenteriae
What is B. E. coli
200
H. influenzae is normal flora of
What is oropharynx/upper respiratory tract
200
H. influenzae becomes resistant to ampicillin when organism produces: A. capsule of polysaccharide material B. affinity for beta lactam ring of ampicillin C. porphobilinogen D. beta-lactamase enzyme
What is D. beta-lactamase enzyme
300
Which distinguishes Bordetella bronchiseptica and Alcaligenes sp? A. Flagella pattern B. Growth at 42 C C. Oxidase activity D. Rapid hydrolysis of urea
What is D. Bordetella rapidly hydrolyzes urea
300
Plesiomonas shigelloides is a newish member of this family. What characteristic separates it from the other members of Enterobacteriaceae? A.it is oxidase positive B. it ferments glucose C. it requires 10% CO2 for growth
What is A. it is oxidase positive
300
Pathogenic Shigella spp. are characteristically A. Non-lactose fermenters B. Lactose fermenters C. Coagulase positive D. Oxidase positive
What is A. non-lactose fermenters
300
Characteristics of Capnocytophaga include: A. grows in ambient air B. colonies are large and spreading after 2-4 days C. considered a nonfermenter D. gram positive bacillus
What is B. colonies are large and spreading after 2-4 days
300
Things get out of hand at the class dinner and someone ends up biting someone else, the wound culture would most likely grow: A. M. catarrhalis B. Eikenella corrodens C. Legionella sp. D. Francisella
What is B. Eikenella corrodens
400
One of the enterotoxins made by E. coli is similar to the toxin produced by: A. Clostridium perfringens B. Clostridium difficile C. Vibrio cholerae D. Yersinia enterocolitica
What is C. Vibrio cholerae
400
Acinetobacter lwoffii differs from Neisseria gonorrheae in that A. lwoffii: A. exhibits a gram-negative staining reaction B. will grow on MacConkey and EMB media C. is indophenol oxidase-positive D. produces hydrogen sulfide on a TSI slant
What is B. Will grow on MacConkey at EMB media
400
A small GNR from an eye culture. Only grows on chocolate and is oxidase variable. A. Acinetobacter lwoffii B. H. influenzae C. Stenotrophomonas maltophilia D. Pseudomonas aeruginosa
What is B. H. influenzae
400
Biochemical reactions are consistent with Salmonella. A suspension is tested in polyvalent antiserum A through G and Vi antiserum. There is agglutination in the Vi antiserum only. What should be done next? A. Boil suspension for 10 min B. Test with individual antisera for agglutination C. Report "no Salmonella isolated" D. repeat biochemical ID of organism
What is A. Boil suspension for 10 minutes to inactivate the heat labile Vi antigen, then appropriate agglutination can take place
400
The porphyrin test was devised to detect strains of Haemophilus capable of: A. ampicillin degradation B. capsule production C. synthesis of hemin D. chloramohenicol resistance
What is C. synthesis of hemin
500
Organism with TSI slant: alkaline slant/acid booty, H2S, gas produced A. Kleb pneumo B. Shigella dysenteriae C. Salmonella typhimurium D. E. coli
What is C. Salmonella typhimurium
500
TSI slant reactions: Alkaline slant/acid booty, no H2S, no gas A. Yersinia enterocolitica B. Salmonella typhi C. Salmonella enteritidis D. Shigella dysenteriae
What is D. Shigella dysenteriae
500
Agar for a suspected tularemia A. BCYE B. Colistin nalidixic acid agar C. Mueller-Hinton D. Regan-Lowe
What is A. BCYE (contains cysteine)
500
Characteristic of HACEK group: A. Associated with UTIs (Netflix & chill) B. Gram stain pleomorphic GPR C. Require 5-10% CO2 D. Require 42 C
What is C. 5-10% CO2 required for growth
500
Test used to monitor bactericidal activity during therapy for endocarditis? A. Elek B. tolerance C. Sherris synergism D. Schlichter
What is D. Schlichter (aka serum bactericidal)
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