Bioterrorism Agents Flashcards
What is the best specimen to send for suspected cutaneous anthrax?
Fluid, Swab or biopsy of eschar lesions
What is the best specimen to send for suspected inhalation anthrax?
Sputum and blood
What is the best specimen to send for suspected gastrointestinal anthrax?
Gastric aspirates/ascites fluid and blood cx
Brucella is gram negative cocobacilli that is catalase ____, oxidase ____, ____ (motile/non-motile), and urease _____.
Catalase positive, oxidase positive, NON-motile, urease positive
Main way to rule out Brucella is ______
Urease positive
Y. pestis grows best at what temperature?
22-25C
Fransciella tularensis will grow best on what agar and be fully mature after how many hours? What environment (CO2/non-CO2)?
Chocolate bc it is fastidious.
Best growth at 72 hours in CO2
Burkholderia pseudomallei grows on what agars
BAP, CHOC, MAC
Burkholderia mallei grows on what agars
VERY slowly on BAP and CHOC. NG on MAC
Bacillus species are catalase ______
Positive
A way to rule-out B. anthracis from B. cereus is
Motility and hemolysis.
B.anthracis= non-motile and non-hemolytic
B.cereus- motile and hemolytic
Y. pestis is catalase ____, oxidase ____, urea ____, indole _____.
catalase positive, oxidase negative, urea negative, indole negative
F. tularensis is catalase ____, oxidase ___, beta-lactamase ______, urease _____
weakly catalase positive, oxidase negative, beta-lactamase POSITIVE, urease negative
B. mallei and B. pseudomallei are both catlase _____
positive
B. mallei is _____ (motile/non-motile) and B. pseudomallei is ______ (motile/non-motile)
mallei= Non-motile;
pseudomallei=motile
