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3rd: Bacteriology and Mycology > TA Session - 2(Cullen) > Flashcards

TA Session - 2(Cullen) Flashcards

1
Q

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

A. Polysaccharide capsule

Note: It has D-glutanic acid capsule; All the other answer choices are true

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2
Q

For maximum virulence, all three factors (edema factor, lethal factor, protective antigen) must be present in B. anthracis

T or F ?

A

True (for B. anthracis)

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3
Q

Pict

A

C. is NOT

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4
Q

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

A

No

Never deal with it if you are suspicious that it has anthrax

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5
Q

What is causing this (pict)

A. S. aureus
B. B. anthracis
C. C. pseudotuberculosis
D. R. equi

A

C. pseudotuberculosis

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6
Q

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?

A

True

Goats - external
Sheep - proximal

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7
Q

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?

A

False

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8
Q

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

A

C. C. pseudotuberculosis

Note: D. R. equi = foal pneumonia

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9
Q

Which of the following is not apart of the Corynebacterium renale Group?

C. renale
C. pseudotuberculosis
C. cystidits
C. pilosum

A

C. pseudotuberculosis

The other cause Bovine pylonephritis; puss in kidney

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10
Q

Which of the following causes dermatitis and hyperkeratosis in mice

C. bovis
S. aures
L. monocytogenes
R. equi

A

C. bovis

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11
Q

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

A

R. equi

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12
Q

Pathogenic Nocardia species are strictly anaerobic

T or F ?

A

False

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13
Q

What causes bovine farcy ?

N. asteroids
S. zooepidemicus
R. equi
S. aureus

A

N. asteroids

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14
Q

Actinomycetes are soil dwelling sarphrophytes; they produce cell fragments that look like fungal spores such as below (pic)

T or F?

A

True

The bacteria that looks like fungus

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15
Q

Which of the following bacteria is known for “molar tooth like” colonies?

Staphylococcus
Streptococcus
Rhodococcus
Actinomyces

A

Actinomyces

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16
Q

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

A

Actinomyces bovis

Note: Lumpy Jaw

17
Q

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

A

Dermatophilus congolensis

18
Q

Which of the following causes “summer mastitis” in cattle ?

Trueperella pyogenes
Listeria monocytogenes
Staphylococcus aureus
Dermatophiuls congolensis

A

Trueperella pyogenes

19
Q

Which of the following is commonly sexually transmitted amongst swine?

Staphlococcus hyicus
Streptococcus porcinus
Actinobaculum suis
Streptococcus suis

A

Actinobaculum suis

20
Q

Clostridium species are strictly aerobic

T or F ?

A

False

Anaerobic

21
Q

Which of the following causes spastic paralysis?

Clostridum botulinum
Clostridum tetani
Clostridum vhauvoei
Clostridum septicum

A

Clostridum tetani

22
Q

What type of paralysis is this ?

Spastic
Flaccid

A

Spastic

23
Q

Clostriduim tetani and Clostridium botulinum both produce very potent toxins. Both of these toxins are neurotoxins.

T or F?

A

True

24
Q

C. tetani and C. botulinum, both having neurotoxins, exhibit the same type of paralysis?

T or F?

A

False

25
Q

Which of the following is not considered to be a “Gas gangrene clostrida” ?

C. chauvoei
C. septicum
C. tetani
C. novyi

A

C. tetani

26
Q

A rancher call you reporting that one of his steers died overnight. You perform a PM and fina a puncture wound. You cut oou the wound and find this, what is your top differential?

S. aureus
D. congolensis
C. chauvoei
C. tetani

A

C. chauvoei

Note: Black -Leg Disease

27
Q

Which clostridium species causes Black disease (infectious necrotic hepatitis) ?

C. novyi type A
C. novyi type B
C. novyi type C
C. novyi type D

A

C. novyi type B

28
Q

Clostridum specticum causes malignant edema, and fatal toxemia affecting all species and ages

T or F?

A

True

29
Q

What is the most practical and reliable option for diagnosis of clostridial myositis?

PCR
Culture
Direct Fluorescent antibody staining
Snap 4dx

A

Direct Fluorescent antibody staining

30
Q

Which of the following causes pulpy kideny disease as shown below?

C. septicum
C. perfringens Type B
C. perfringens Type D
C. novyi Type D

A

C. perfringens Type D

31
Q

Clostridium difficile infection can occur in animals who have been treated with antibiotics recently

T or F?

A

True

32
Q

Which of the following is safe to use in rabbits as an antimicrobial ?

Penicillin
Lancomycin
Clindamycin
Erythromycin

A

Penicillin

Note: All of the -mycins are macrolides; will cause explosive diarrhea in rabbits

33
Q

Which of the following is gram negative ?

C. novyi
C. piliforme
D. congolensis
S. aureus

A

C. piliforme

34
Q

Calf diptheria or necrotic laryngitis is cause by?

S. aureus
C. novyi
D. congolensis
F. necrophorum

A

F. necrophorum

35
Q

Which of the following should you NOT use to treat anaerobic infections ?

Beta-lactams
Aminoglycosides
Tetracyclines
Quinolones

A

Aminoglycosides

3rd: Bacteriology and Mycology (23 decks)

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