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RUSVM Bacteriology > Gram Positive Cocci > Flashcards

Gram Positive Cocci Flashcards

1
Q

Most common Staphylococcal isolate in dogs

A

Staphylococcus pseudintermedius

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2
Q

Disease and Cause

A

Ulcerative pododermatitis

Staphylococcus aureus

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3
Q

Disease and Cause

A

Jowl Abscess

Streptococcus porcinus

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4
Q

Disease and Cause

A

Strangles

Streptococcus equi subsp equi

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5
Q

Guttural Pouch Empyema

A

Accumulation of purulent material in guttural pouch

_____________________

Secondary to Strangles infection

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6
Q

Clinical sign of Strangle infection appear __________ after exposure

A

Clinical sign of Strangle infection appear 3-14 days after exposure

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7
Q

Diagnosis of Staphylococcal Infection

A

Direct Examination

Culture

PCR

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8
Q

Cause

A

Streptococcus suis

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9
Q

___________ is one of the most common nosocomial pathogens in humans.

A

Staphylococcus aureus is one of the most common nosocomial pathogens in humans.

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10
Q

Guttural Pouch Chondroids

A

Accumulation of soft or hard concretions in one or both guttural pouches

______________________

Secondary to Strangles infection

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11
Q

Enterococcus sp inhabit the

A

GI tract

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12
Q

Enteroccous infections cause

A

persistent UTI

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13
Q

Serotype 2 of Streptococcus ________ is the most common isolate.

A

Serotype 2 of Streptococcus suis is the most common isolate.

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14
Q

First clinical sign to appear from a Strangles infection

A

Fever

__________________

39 - 39.5 C

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15
Q

Disease and Cause

A

Scarlet Fever

Streptococcus pyogenes

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16
Q

Causes Scarlet Fever in humans

A

Streptococcus pyogenes

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17
Q

Staphylococcal isloate that causes mastitis in cattle

A

Staphylococus aureus

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18
Q

Causes ulcerative pododermatitis in sheep and humans

A

Staphylococcus aureus

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19
Q
A

Staphylococcus sp

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20
Q

Structure of Streptococcus sp.

A

Pairs or chains

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21
Q

Problems associated with treating Staphylococcal infections

A

Reisistance!

Antimicrobial susceptibility testing is critical

___________________

Clindamycin, Macrolide, Methicillin

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22
Q

Classification of S. equi subsp equi

A

Beta-hemolytic, Group C

23
Q

For an animal to be removed from quarantine after a Strangles infection, they must have

A

For an animal to be removed from quarantine after a Strangles infection, they must have 3 negative cultures at weekly intervals

24
Q

Age of horses typically infected with Strangles

A

< 2 years old

25
Q

Stapylococcal isolate that causes chronic pyogranulomatous inflammation inf rodents, equines and humans

A

Staphyloccus aureus

26
Q

Streptococcus agalactiae/dysgalactiae/equi subsp zooepidemicus/uberis cause

27
Q

Reportable Streptococcal disease

A

Streptococcous equi subsp equi - Strangles

28
Q

Disease and Cause

A

Greasy Pig Disease

Staphylococcus hyicus

29
Q

S. equi subsp equi should be distinguished from:

A

S. equi zooepidemicus

S. dysgalactae equisimillis

30
Q

Treatment of Staphylococcal Infections

A

Cephalosporins (1st generation)

Quinolones

Chloramphenicol

Aminoglycoside

31
Q

Causes exudative epidermitis and Greasy Pig Disease

A

Staphyloccus hyicus

32
Q

Causes Bumble Foot in Birds

A

Staphylococcus aureus

33
Q

Are foals less than 4 months old more susceptible to Strangles infection?

A

No, protected by maternal antibodies

34
Q

Causes cervical lymphadenitis in sheep

A

Staphylococcus aureus subsp anaerobius

35
Q

Disease and Cause

A

Acute fulminating septicemia

Streptococcus iniae

36
Q

Streptococcus canis causes

A

Septicemia and embolic lesions in the heart and lungs of puppies and kittens

37
Q

Virulence factors of Streptococcus equi subsp equi

A

Hyaluronic acid capsule

M Protein

IgG binding protein

PG/Techoic Acid

Streptokinase

Hyaluronidase

Streptolysin S

DNAase

Pyrogenic exotoxin

38
Q

Diagnostic test for Streptococcus equi subsp equi

A

Culture

Serology

PCR

39
Q

Streptococcal species are classified by

A

Streptococcal species are classified by hemolytic activity

40
Q

Natural habitat for Staphylococcus sp.

A

Skin and mucous membranes

41
Q

Habitat for Streptococcus sp.

A

Oral cavity, nasopharynx, skin, GI and gential tracts

42
Q

Disease and Cause

A

Bumble Foot

Staphylococcus aureus

43
Q

Causes jowl abscesses in pigs

A

Streptococcus porcinus

44
Q

Virulence factors of Staphylococcus sp

A

Protein A

Hemolysins

Proteases

Hyaluronidase

Lipases

Alpha Toxins

Leukocidin

Exfolative Toxins

Biofilm

45
Q

Coagulase

A

Enzyme that converts fibrinogen to fibrin

46
Q

Virulence Factors of Streptococcus

A

Hemolysins

Exotoxins

Capsules

PG/Techoic/Lipotechoic Acid

M Protein

Ig Binding Protein

Streptokinase

Pyrogenic Exotoxins

47
Q

Causes acute fulminating septicemia in fish

A

Streptococcus iniae

48
Q

Treatment of Streptococcus equi subsp equi

A

Symptomatic

ABX only if abscess has not formed yet (PenG, Potenated Sulfas)

49
Q

Collateral Damage

A

Ecological adverse effect of antibiotic therapy; selection of a drug resistant organism and unwanted development of colonization or infection iwth multi drug resistant organism

50
Q
A

Streptococcus sp

51
Q

Disease and Cause

A

Mastitis

Staphylococcus aureus

52
Q

Causes Strangles in horses

A

Streptococcus equi subsp equi

53
Q

Cause

A

Staphylococcus pseudintermedius

54
Q

Lymph node absesses occur ____________ after initial signs of Strangles infection.

A

Lymph node absesses occur within 2 weeks after initial signs of Strangles infection.

RUSVM Bacteriology (21 decks)

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