Bacteria — Flashcards

Flashcard 341: In which type of immunity (innate or adaptive) does microbial resistance persist through generations? _____

Answer: Innate immunity

Flashcard 342: Conjugation of normal bacteria involves transfer of _____ only

Answer: plasmids

Flashcard 343: _____ is responsible for two exotoxins, Heat labile toxin (LT) and Heat stable toxin (ST)

Answer: Enterotoxigenic E. Coli (ETEC)

Flashcard 344: Which bacteria is commonly described as club-shaped in a V or Y formation? _____

Answer: Corynebacterium diphtheriae

Flashcard 345: Intracellular bacterial proliferation of *M. tuberculosis* occurs during the first _____ weeks after exposure.

Answer: 3

Extra: After approximately 3 weeks, the development of a cell-mediated (Th1) response and IFN-γ production leads to macrophage activation and granuloma formation, which contains the infection. This also coincides with a positive PPD (tuberculin) skin test.

Flashcard 346: Clostridium difficile; botulinum; perfringens; tetani are all _____

Answer: obligate anaerobes

Flashcard 347: What type of diarrhea is caused by Yersinia enterocolitica? _____

Answer: Bloody

Flashcard 348: What is the reservoir for Francisella tularensis? _____

Answer: Rabbits

Flashcard 349: Actinomyces is a(n) _____ that is typically found in the gums and causes dental abscesses

Answer: obligate anaerobe

Flashcard 350: _____ describes a(n) transposon of bacterial DNA that can "jump" from one location to another (e.g. bacterial DNA or even a plasmid)

Answer: Transposition