• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/33

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

33 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
spore-forming gram positive rods
Bacillus and Clostridium
bacillus morphology?
Boxcars on a train (gram + rods in chains)
metabolism of bacillus
aerobic
only bacteria with a protein capsule
bacillus
types of bacilli
anthracis and cereus
Anthrax pathogenesis
spores ingested by macrophages turn vegetative, are released by macrophages and multiply extracellularly
Required for pathogenicity in Bacillus anthracis
poly-D-glutamate protein capsule
What is responsible for antrax toxicity
three proteins that assemble into toxins: lethal and edema toxins
A and B components in what?
anthrax toxin molecules: A for active component to damage cells; B for binding to deliver A into cell
Anthrax toxin components
PA/LF/EF
PA+LF = lethal toxin
PA+ EF = edema toxin
the two A components in anthrax
lethal factor is one - causes cell death;
edema factor is another - adenylate cyclase causing edema
name of B component in anthrax
protective antigen (PA) which is what Ab's bind to causing anthrax inability to bind to cell
most common method of anthrax contraction
zoonosis
Routes that one can acquire anthrax
skin, ingestion, aerosol
black eschar
necrosis caused by cutaneous anthrax
ulcer progressing to regional lymphadenopathy
GI anthrax, high mortality rate
Two phases of inhalation anthrax
flu-like with lymphadenopathy;
followed by edema, sepsis, shock, meningitis, death.
spores associated with rice
Bacillus cereus
toxin associated with fried rice
emetic toxin in bacillus cereus (1-6 hr) = PREFORMED
strains of bacillus cereus associated with meat or vegetables have what toxin?
diarrheal toxin NOT PREFORMED so it causes symptoms 8-10 hrs later
morphology of Nocardia
non-spore forming gram + rods
metabolism of Nocardia
strict aerobes
Disease states of nocardia
Bronchopulmonary disease and Cutaneous lymphocutaneous lesions
metabolism of Actinomyces
anaerobic
Filamentous, anaerobic, non-acid fast, found as normal flora in the female genital tract
Actinomyces
Granules in actinocymes-infected tissue
sulfur granules
Disease states in Actinomyces
1) suppurative granulomatous lesions
2) cervicofacial (lumpy jaw) actinomyces
3) Pelvic actinomycosis
Actinomyces diseases all have this in common
abscesses and tissue damage
clubshaped gram +
Corynebacterium diptheriae (GPR)
What does corynebacterium diptheriae grow on?
Loeffer's or potassium tellurite media
Three species of corynebacterium
Gravis, intermedius, mitis
death, intermediate, miotsis
lysogenic beta phage acquired exotoxin affects what organs
Heart, nerves, kidneys
Treatment of corynebacterium diptheriae
diptheria antitoxin (DAT), erythromycin, or penicillin