Bacteriology — Flashcards

Flashcard 191: _____, Vibrio cholera and Helicobacter pylori are all curved rods that are oxidase positive

Answer: Campylobacter jejuni

Flashcard 192: Salmonella spp. produces _____, which appears as black colonies on Hektoen enteric agar

Answer: hydrogen sulfide (H2S)

Flashcard 193: Oroya fever or _____ disease is caused by Bartonella bacilliformis

Answer: Carrions

Flashcard 194: Causative agent of _____ is T.carateum.

Answer: pinta

Flashcard 195: Gram _____ Algorithm:First split into Diplococci, Coccobacilli, Bacilli and Comma-shaped rods

Answer: Negative

Flashcard 196: Gram _____ Algorithm:Coccobacilli includes H. influenzae, Pasteurella, Brucella, Bordetella pertussis, Francisella tularensis

Answer: Negative

Flashcard 197: What animals (2) are the reservoir for Yersinia pestis? _____

Answer: Rats and prairie dogs (rodents)

Flashcard 198: Which Rickettsia spp. (2) are characterized by a rash that starts at the trunk and spreads outwards to the extremities? _____

Answer: Rickettsia prowazekii and Rickettsia typhi

Extra: Centrifugal spread (trunk → extremities): Rickettsia prowazekii (Epidemic typhus) and Rickettsia typhi (Endemic typhus). Centripetal spread (extremities → trunk): Rickettsia rickettsii (Rocky Mountain Spotted Fever).

Flashcard 199: Runyon classification of Non-tuberculous Mycobacteria: Group IV includes _____ such as M. fortuitum and M. chelonae

Answer: Rapid growers

Flashcard 200: Gram Negative Algorithm:Bacilli who _____ lactose fermenters are further split into whether they ferment fast or slow

Answer: are