Bacteria — Flashcards

Flashcard 691: Which cause of pharyngitis is more commonly seen in children and adolescents?_____

Answer: Strep pyogenes (GAS)

Flashcard 692: _____ are a two component "A-B" polypeptide

Answer: Exotoxins

Flashcard 693: What is the cause of Bubonic Plague?_____

Answer: Yersinia pestis

Flashcard 694: Does Vibrio cholera produce an inflammatory diarrhea?_____

Answer: No (no WBCs present)

Flashcard 695: Actinomyces is normal flora of the _____, GI and GU tracts

Answer: oral cavity

Flashcard 696: What bacteria is a common cause of secondary infection in calculous cholecystitis? _____

Answer: E. coli

Flashcard 697: How is Coxiella burnetii transmitted?

Answer: Aerosol (inhalation of spores)

Flashcard 698: Yersinia enterocolitica can be transmitted through _____ feces.

Answer: puppy

Flashcard 699: _____ use fermentation to generate ATP

Answer: Obligate anaerobes

Extra: Obligate anaerobes lack antioxidant enzymes like superoxide dismutase and catalase, making them susceptible to oxidative damage. They generate ATP via fermentation or anaerobic respiration (using a final electron acceptor other than oxygen).

Flashcard 700: Is Helicobacter pylori motile?_____

Answer: Yes