Bacteria — Flashcards

Flashcard 651: Reheating rice can result in food poisoning from _____

Answer: Bacillus cereus

Flashcard 652: Which S. aureus toxin nonspecifically binds MHC-II (on APCs) and the T-cell receptorproducing cytokine storm and toxic shock: _____

Answer: TSST-1 superantigen

Flashcard 653: _____ vaginalis presents with clue cells on wet mount microscopy

Answer: Gardnerella

Flashcard 654: Which bacteria has characteristic "actin rockets" for intracellular movement?_____

Answer: Listeria monocytogenes

Flashcard 655: Streptococcus pneumoniae is bile-_____

Answer: soluble

Flashcard 656: Clostridium _____ results in floppy muscles

Answer: botulinum

Flashcard 657: How is Pasteurella multocida most commonly transmitted?_____

Answer: Dog or Cat bites

Flashcard 658: Which form of C5 convertase is produced via the alternative complement pathway? _____

Answer: C3bBb3b

Flashcard 659: What is the route of transmission of Vibrio cholerae?_____

Answer: Fecal-oral

Flashcard 660: Staphylococcus saprophyticus is a common cause of UTIs in what specific demographic?

Answer: Sexually active young women ("Honeymoon cystitis")

Extra: Staphylococcus saprophyticus is a coagulase-negative Staphylococcus that is **novobiocin-resistant**. It is part of the normal flora of the female genital tract and perineum; infections are typically endogenous.