Bacteria — Flashcards

Flashcard 721: Colonies of _____ show a halo of projections, sometimes referred to as "medusa head" appearance

Answer: Bacillus anthracis

Flashcard 722: Does H. pylori invade the stomach mucosa? _____

Answer: No (sits on top of mucosa)

Flashcard 723: How is Bubonic Plague (Yersinia pestis) transmitted?_____

Answer: Fleas

Flashcard 724: Salmonella _____ causes paratyphoid fever

Answer: paratyphi

Flashcard 725: What bacteria is the most common cause of subacute endocarditis? _____

Answer: Viridans streptococci

Flashcard 726: During the _____ phase of bacterial growth bacteria are continuing to grow but also starting to die

Answer: stationary

Flashcard 727: _____ bacterial DNA transduction stems from incorporation of viral DNA into bacterial DNA; excision of viral DNA results in excision of bacterial DNA as well

Answer: Specialized (Generalized or Specialized)

Flashcard 728: What bacterium is associated with the presence of "clue cells" (vaginal epithelial cells covered with bacteria) in a patient with vaginal discharge?

Answer: *Gardnerella vaginalis*

Extra: Clue cells are vaginal epithelial cells covered with coccobacilli, giving them a "shaggy" appearance. They are a diagnostic hallmark of Bacterial Vaginosis (BV).

Flashcard 729: How do phagocytes in CGD patients kill catalase-negative organisms? _____

Answer: Use H2O2 produced by invading organisms to produce HClO-

Flashcard 730: Which bacteria's spores are commonly found in honey?_____

Answer: Clostridium botulinum