1.06 - Gram Positive Rods and Gram Negative Cocci Flashcards
What is the antiphagocytic feature of Bacillus anthracis encoded by the PXO2 plasmid
poly-D-glutamic acid capsule
The exotoxin property of B. anthracis is encoded by the ___ plasmid
PXO1 plasmid
The edema toxin of B. anthracis functions by ___
inhibiting neutorphil function and elevating intracellular cAMP, therefore causing local edema
The edema toxin is a combination of ___
Protective Antigen (PA) and Edema Factor (EF) of B. anthracis
Cuttaneous anthrax starts as ___
painless dark pustule
Pulmonary anthrax is also known as
Wool sorter’s disease
Wool sorter’s disease is caused by (mode of transmission)
inhalation of spores of those who handle raw wool, hides or horse hair
The __ test uses a medium containing penicillin to diagnose and differentiate B. anthraces from B. cereus
Strings of Pearls Test
B. anthracis is gamma phage (positive or negative)
Gamma phage positive
What is the causative agent in the Chinese Restaurant Syndrome
B. cereus
on BAP, B. anthracis produces colonies that look ____
large, raised, opaque, grayish white colonies with media heads and ground glass appearance
B. cereus is resistant to ___
Cephalosporin
The virulence factor of B. cereus is the __
Glucoprotein S layer which promotes adherence and interaction with PMNs
Clinical manifestations of B. cereus
Opthalmitis
Gastroenteritis which may be emetic or diarrheal form
Treatment for B. cereus
Vancomycin, clindamycin, gentamycin
