FINAL Flashcards
T/F:
Clostridium botulinum and *tetani *both attack neurons
TRUE
Flaccid paralysis is associated with
C. botulinum
Spastic paralysis is associated with
Clostridium tetani
T/F
C. botulinum spores can’t last in the environment because they’re obligate anaerobes
FALSE
T/F
Cholesterol adds osmotic stability for Mollicutes.
TRUE
Etiologic agent for contagious bovine pleuropneumonia is
Mycoplasma mycoides subs mycoides
T/F
Chlamydia has biphasic, but elementary bodies are not infective
FALSE
Elementary bodies ARE infective
Target for Anaplasma is
RBCs
Target for Rickettsia rickettsia is
Endothelial cells
RMSF: Etiologic agent & vector
Rickettsia rickettsia
and
Dermacentor andersoni
Breed susceptible to Ehrlichia
German Shepherds
and
puppies
Etiologic agent for salmon poisoning
Neoreckettis helmnitha
T/F
Nanophyetus salmincola is the etiologic agent for Potomac horse fever
FALSE
Neorickettsia (Ehrlichia) risticii.
T/F
Capsule can be antiphagocytic in fungus
TRUE
How do you diagnose yeast?
25C -30C Sabouraud’s Dextrose agar (Dermatophyte test medium). (Make sure to look at temperature).
• Blood will be at 37C.
What is ringworm caused by? How do you differentiate between the 2 etiologic agents?
Microsporum & Trichophorum.
Micosporum fluoresces under Wood’s lamp.
Subcutaneous Mycoses – Ddx for cats
Sporothrix schenkii
T/F
Electron microscopy has shorter wavelengths, so they have better resolution
TRUE
Cow w/ eye problem due to dust is caused by
Moraxella bovis
and
mycoplasma
Horse w/ mucopurulent vulvar discharge
is caused by
Taylorella
and
CEM
Chicken w/ ticks
Fowl spirochetosis
Spiral organism that is NOT species adapted
Leptospirosis
Erythritol is associated with
Brucella
Top agents causing mastitis in ruminants
Steptococcus (agalactia, dysgalactiae, uberis),
E. Coli,
Staphylococcus aureus.
Klebsiella pneumoniae.