Flashcards in 7. Aerobic Gram-positive Bacilli Deck (57)
Spore forming aerobic gram-positive bacilli
Non-spore forming aerobic gram-positive bacilli
Bacillus spp. are found in
True/False. Only some Bacillus spp. form endospores.
ALL species of Bacillus form endospores
Catalase reaction of Bacillus spp.
Bacillus spp. that is commonly associated with food poisoning
Type of food poisoning that is from meat, 24 hours, self-limiting
Type of food poisoning from fried rice, 10 hours, self limiting
Produced by B. cereus that causes the food poisoning
Colony morphology of B. cereus
Catalase reaction of B. cereus
Most common disease cause by B. cereus
Most virulent Bacillus spp.
How do humans acquire B. anthracis?
Contact with anthrax-infected animals or animal products (no person-to-person spread)
Clinical presentation of B. anthracis
3 forms of Anthrax
Anthrax form that is most commonly encountered in naturally occuring cases
Incubation period of cutaneous anthrax
Anthrax form that begins as a "viral-like" illness
Incubation period of inhalation anthrax
Anthrax form that exhibits abdominal distress, usually accompanied by bloody vomiting or diarrhea
True/False. Recovery from Anthrax confers immunity.
Antibiotics used after exposure to anthrax
Colony morphology of Bacillus anthracis
Medium to large irregular
Medusa head projections, non hemolytic
Catalase reaction of Bacillus anthracis
Microscopic chracteristics of Listeria spp.
Gram-positive short rods or coccobacilli
What temperature can Listeria spp. grow unlike other bacteria?
Most virulent Listeria spp.
Disease caused by L. monocytogenes