Bacteria — Flashcards

Flashcard 211: Rickettsia rickettsii is transmitted through _____ from the Dermacentor tick

Answer: direct biting

Extra: Rickettsia rickettsii is the causative agent of Rocky Mountain Spotted Fever (RMSF). It is transmitted by the bite of Dermacentor ticks (e.g., D. variabilis, D. andersoni).

Flashcard 212: Lung abscesses are commonly due to _____ bacteria such as Bacteroides, Fusobacterium, Peptostreptococcus, and Prevotella

Answer: anaerobic

Flashcard 213: Campylobacter jejuni grows best at _____

Answer: 42°C

Flashcard 214: _____ is a way that bacteria uptake DNA from their surrounding environment

Answer: Transformation

Flashcard 215: Neisseria meningitidis is transmitted via _____ and _____ secretions

Answer: Respiratory

Flashcard 216: _____ produces the exotoxin Streptolysin O (cytolysin)

Answer: Streptococcus pyogenes

Flashcard 217: Which bacteria is associated with endocarditis, biliary tree infection, and UTI? _____

Answer: Enterococcus faecalis

Flashcard 218: Peptostreptococcus, Fusobacterium, Prevotella, and Bacteroides are all associated with _____ (often requiring surgical drainage)

Answer: abscesses

Flashcard 219: Tetanospasmin is an exotoxin from Clostridium tetani that cleaves _____ proteins required for _____ release

Answer: SNARE

Flashcard 220: Superantigens result in _____ syndrome

Answer: toxic shock