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PAVE > Bacteriology > Flashcards

Bacteriology Flashcards

1
Q

species that affected by Glanders

A

horses

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2
Q

what is malassezia diagnosed

A

yeast on cytology

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3
Q

bacteria that is zoonotic and found in wild rabbits

A

Francisella tularensis

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4
Q

bacteria causes mastitis and test positive on cAMP test

A

Streptococcus agalactiae

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5
Q

two things
bacteria have to help protect themselves

A

Endospores &
LPS layer

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6
Q

what is the color of Staphylococcus stained on gram stain?

A

purple (gram +ve)

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7
Q

which bacteria stain red with acid-fast stain

A

Mycobacterium spp.

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8
Q

bacteria are fastidious anaerobes that produce endospores

A

Clostridium spp.

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9
Q

What is the cause of Gram (–) enterotoxemia

A

O-polysaccharides – (LPS) – Endotoxins
found within the bacterial cell membrane, elicits strong immune response from bacteria
circulating in the blood à CS: Septic shock

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10
Q

species can humans get MRSA from

A

Dog and horse

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11
Q

species most commonly do you see resistance for MRSA

A

Cattle and goat

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12
Q

What is the term for the transfer of genetic material between bacteria

A

Conjugation

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13
Q

Most common bacterial pathogen on skin of dogs

A

Staphylococcus pseudointermedius

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14
Q

Collecting sample from clitoral sinus is to diagnose what in horses

A

Taylorella equigenitalis
(CEM)

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15
Q

What vitamin is decreased when there is overgrowth of bacteria in the GIT

A

B12

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16
Q

What is the causative agent of RMSF (Rocky Mountain spotted fever)

A

Rickettsia rickettsi

17
Q

Why does Listeriosis have high morbidity and high mortality

A

Endotoxins thrives in all ages of animals and can survive wide range of temps/pH levels

18
Q

What leptospirosis spp. is most virulent to humans

A

Leptospira interrogans – Serovar:
Icterohemorrhagica

19
Q

What spp. transmits and possess the greatest risk for zoonosis of E. coli O157:H7?

A

Cattle

20
Q

What is the most common vaccine that will cause a reaction

A

Leptospira

21
Q

What are the clinical signs of salmonellosis

A

Mucousy/fibrinous bloody diarrhea and
leukopenia

22
Q

How is Salmonella spp. differentiated from Proteus spp.?

A

Salmonella spp. is Urease (–) and
Proteus is Urease (+)

23
Q

How is Staphylococcus sp. differentiated from Streptococcus sp.?

A

Catalase test: Staph (+) vs Strep (–)

24
Q

What are the characteristics of Listeria?

A

Gram (+) Rods, Catalase (+), Oxidase (–)

25
Q

What bacterial infection causes hematuria or “port-wine colored” urine?

A

Clostridium haemolyticum

26
Q

What agar is used for Gram (–) and lactose fermenting bacteria

A

MacConkey

27
Q

What agar do you use for Haemophilus parasuis

A

Chocolate agar

28
Q

A positive dermatophyte test on dermatophyte medium turns agar from what color to what color?

A

Yellow to red

29
Q

What bacteria are you killing during pasteurization

A

Coxiella burnetti

30
Q

How is Brucella sp. detected in raw milk?

A

Serum agglutination

31
Q

What can be used to treat Staphylococcus sp. infections?

A

Penicillin G

32
Q

What is the treatment for Ehrlichia sp. and other tick-borne disease such as Anaplasma sp.?

A

Doxycycline

33
Q

What is the term for a disease outbreak of multiple animals being affected at one time?

A

Epizootic (epidemic)

34
Q

What is the most likely cause of coliforms found in milk bulk tank?

A

Lack of equipment washing with subsequent environmental contamination

35
Q

What is the most common cause of foodborne shigellosis and viral hepatitis?

A

Improper handling – Handwashing

36
Q

main cause of mastitis in cattle and small ruminants

A

Staphylococcus aureus

37
Q

main cause of diarrhea in 2-3 days old cattle and sheep

A

E. coli k99

38
Q

bacteria that causes lumpy jaw

A

actinomyces bovis

39
Q

Shaker foal syndrome

A

Clostridium botulinum
(Botulism toxicoinfection)
neurotoxin

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