TA Session - 2(Cullen) Flashcards
Which of the following is not associated with B. anthracis
A. Polysaccharide capsule
B. Pink stained capsules when stained with poly chromatic methylene blue
C. Tripartite toxin (edema factor, lethal factor, protective antigen)
D. Endospore production
A. Polysaccharide capsule
Note: It has D-glutanic acid capsule; All the other answer choices are true
For maximum virulence, all three factors (edema factor, lethal factor, protective antigen) must be present in B. anthracis
T or F ?
True (for B. anthracis)
Pict
C. is NOT
You are called out to examine some cattle that have died over night. Upon arrival you note all of the cows that had died are bloated. The owner tell you the neighboring ranch has some cattle test positive for B. anthracis. Should you do a PM exam (necropsy) ?
Yes or No
No
Never deal with it if you are suspicious that it has anthrax
What is causing this (pict)
A. S. aureus
B. B. anthracis
C. C. pseudotuberculosis
D. R. equi
C. pseudotuberculosis
Caseous lymphadenitis affects goats in the peripheral lymph nodes (external form); while sheep are affected in the internal organs and lymph nodes (internal form)
T or F?
True
Goats - external
Sheep - proximal
Using serology to diagnose Corynebacterium pseudotberculosis is very common. If a patient has positive titers does that mean the patient is currently diseased
T or F?
False
Which of the following causes Colorado Strangles, Pigeon fever or Dry-land distemper in horses ?
A. S. equi Sbsp equi
B. S. aureus
C. C. pseudotuberculosis
D. R. equi
C. C. pseudotuberculosis
Note: D. R. equi = foal pneumonia
Which of the following is not apart of the Corynebacterium renale Group?
C. renale
C. pseudotuberculosis
C. cystidits
C. pilosum
C. pseudotuberculosis
The other cause Bovine pylonephritis; puss in kidney
Which of the following causes dermatitis and hyperkeratosis in mice
C. bovis
S. aures
L. monocytogenes
R. equi
C. bovis
A foal come to your clinic with pneumonia. Using ultrasound you find multiple lesions within the lungs. The foal unfortunately did not survive the night despite aggresive treatment. The owner requests you do a PM inspection to look for a cause. You find multiple abcesses within the lung and mesenteric lymphadenitis. You remember taking bacteriology a Ross and remember a bacteria can account for both signs. Which of the following is it?
S. equi sbsp. equi
S. equi
R. equi
L. monocytogenes
R. equi
Pathogenic Nocardia species are strictly anaerobic
T or F ?
False
What causes bovine farcy ?
N. asteroids
S. zooepidemicus
R. equi
S. aureus
N. asteroids
Actinomycetes are soil dwelling sarphrophytes; they produce cell fragments that look like fungal spores such as below (pic)
T or F?
True
The bacteria that looks like fungus
Which of the following bacteria is known for “molar tooth like” colonies?
Staphylococcus
Streptococcus
Rhodococcus
Actinomyces
Actinomyces
You are called out to examine some cattle. The owner send you a picture of the affected cow and is very worried about this herd. What is your top differential?
Corynebacterium bovis
Staphlococcus aures
Actinomyces bovis
Bacillus anthracis
Actinomyces bovis
Note: Lumpy Jaw
While at the farm you notice other cattle seem to have a skin condition. You decide to collect a sample. With the two pics , what is your differential ?
Staphylococcus aures
Streptococcus pyogenes
Dermatophilus congolensis
Listeria monocytogenes
Dermatophilus congolensis
Which of the following causes “summer mastitis” in cattle ?
Trueperella pyogenes
Listeria monocytogenes
Staphylococcus aureus
Dermatophiuls congolensis
Trueperella pyogenes
Which of the following is commonly sexually transmitted amongst swine?
Staphlococcus hyicus
Streptococcus porcinus
Actinobaculum suis
Streptococcus suis
Actinobaculum suis
Clostridium species are strictly aerobic
T or F ?
False
Anaerobic
Which of the following causes spastic paralysis?
Clostridum botulinum
Clostridum tetani
Clostridum vhauvoei
Clostridum septicum
Clostridum tetani
What type of paralysis is this ?
Spastic
Flaccid
Spastic
Clostriduim tetani and Clostridium botulinum both produce very potent toxins. Both of these toxins are neurotoxins.
T or F?
True
C. tetani and C. botulinum, both having neurotoxins, exhibit the same type of paralysis?
T or F?
False
