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SG 3 BACTERIOLOGY > STAPHYLOCOCCUS > Flashcards

STAPHYLOCOCCUS Flashcards

1
Q

STAPHYLOCOCCUS GENERAL FACTS

A 
GRAM + 
CATALASE + 
FACULTATIVE ANAEROBE
MULTIDRUG RESISTANCE 
OPPORTUNISTIC WITH PUS FILLED LESIONS
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2
Q

STAPHYLOCOCCUS IS COMMENSAL WHERE?

A

SKIN AND MUCOUS MEMBRANES

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3
Q

STAPHYLOCOCCUS VIRULENCE FACTORS

A 
PROTEIN A- IMMUNE EVASION 
LEUKOCIDIN- IMMUNE EVASION  
COAGULASE- IMMUNE EVASION  
ADHESINS- COLONIZATION  
HEMOLYSINS- CYTOLYSIS 
ENTEROTOXINS- TISSUE DESTRUCTION  
TOXIC SHOCK SYNDROME- TISSUE DESTRUCTION
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4
Q

HOW DOES PROTEIN A HELP STAPHYLOCOCCUS EVADE THE IMMUNE SYSTEM?

A

INHIBITION OF OPSONIZATION

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5
Q

HOW DOES LEUKOCIDIN HELP STAPHYLOCOCCUS EVADE THE IMMUNE SYSTEM?

A

KILLS LEUKOCYTES

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6
Q

HOW DOES COAGULASE HELP STAPHYLOCOCCUS EVADE THE IMMUNE SYSTEM?

A

“HIDE” BACTERIA FROM PMNS

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7
Q

WHAT DOES STAPHYLOCOCCUS CAUSE?

A 
***MASTITIS 
WOUND INFECTIONS 
SYSTEMIC INFECTIONS 
FOLLICULITIS  
MYOSITIS
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8
Q

WHAT HOST DOES STAPHYLOCOCCUS AUREUS INFECT?

A 
COWS- MASTITIS
SHEEP AND GOATS - MASTITIS, DERMATITIS   
POULTRY- BUMBLEFOOT  
HORSES- BOTRYMYCOSIS  
DOGS AND CATS
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9
Q

WHAT HOST DOGS STAPHYLOCOCCUS PSEUDOINTERMEDIUS INFECT?

A

DOGS- PYODERMA, OTITIS EXTERNA, ENDOMETRITIS, CYSTITIS

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10
Q

WHAT DOES STAPHYLOCOCCUS HYICUS CAUSE?

A

GREASY PIG DISEASE

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11
Q

ENVIRONMENTAL MASTITIS

A

INFECTION COMES FROM THE ENVIRONMENT

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12
Q

CONTAGIOUS MASTITIS

A

INFECTION COMES FROM INFECTED ANIMALS OR COMMENSALS

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13
Q

BOVINE STAPHYLOCOCCUS MASTITIS IS A ______ MASTITIS. THE INFECTION SOURCE IS THE _______ SPREAD BY ________ AND _____.

A

CONTAGIOUS
INFECTED MAMMARY GLANDS OF ANOTHER COW
CONTAMINATED HANDS OF MILKERS
INFECTED TEET CUPS

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14
Q

TREATMENT OF BOVINE STAPHYLOCOCCUS MASTITIS

A 
SEGREGATION OF INFECTION ANIMALS- MILK LAST 
CULL CHRONIC COWS 
DRY COW THERAPY 
ABX TX- PENICILLIN AND B LACTAMS 
GOOD HYGIENE AT MILKING TIME
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15
Q

STAPHYLOCOCCUS PERACUTE GANGRENOUS MASTITIS

A

VENOUS THROMBOSIS, LOCAL EDEMA, TISSUE NECROSIS, UDDER DISCOLORATION, SWOLLEN QUARTERS, SORE ON PALPATION, FEVER, DEPRESSION, ANOREXIA, DROP IN MILK PRODUCTION

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16
Q

STAPHYLOCOCCUS ACUTE MASTITIS

A

SEVERE SWELLING, FIBROSIS, PURULENT SECRETION WITH CLOTS, DROP IN MILK PRODUCTION

17
Q

STAPHYLOCOCCUS CHRONIC SUBCLINICAL MASTITIS

A

BLOCKAGE OF DUCTS, ATROPHY OF ALVEOLI, EPISODES OF BACTERIAL SHEDDING, ELEVATED SOMATIC CELL COUNTS**

18
Q

STAPHYLOCOCCUS BOTRYMYCOSIS IN HORSES

A

POST CASTRATION COMPLICATION

CHRONIC GRANULOMATOUS SUPPURATIVE DISORDER WITH MICROABCESSATION

19
Q

COAGULASE TEST

A

DETECTS MOST VIRULENT STAPHYLOCOCCI

+= VISIBLE CLOT IN TUBES

20
Q

WHAT IS BUMBLEFOOT ?

A

STAPHYLOCOCCUS AUREUS IN POULTRY
ULCERATIVE PODODERMATITIS

CAN LEAD TO ARTHRITIS, JOINT SWELLING, ULCERATIVE LESIONS, SEPTICEMIA, LIMPING

21
Q

STAPHYLOCOCCUS PSEUDOINTERMEDIUS IS THE MOST COMMON OPPORTUNISTIC PATHOGEN IN _____

A

DOGS

22
Q

STAPHYLOCOCCUS PSEUDOINTERMEDIUS CAUSES WHAT IN DOGS AND CATS?

A

PYODERMA
OTITIS EXTERNA
INFECTED WOUNDS
UTI/CYSTITIS

23
Q

STAPHYLOCOCCUS PSEUDOINTERMEDIUS IS A ________ INFECTION

A

SECONDARY

24
Q

PREDISPOSING FACTORS FOR STAPH PSEUDOINTERMEDIUS

A 
DRY HUMID CONDITIONS
SKIN FOLD BREEDS 
LONG EAR BREEDS 
HUNTING DOGS- FOREIGN OBJECTS 
IMMUNE DEFICIENCY 
YEAST INFECTIONS 
DEMODEX
25
Q

TREATMENT OF STAPH PSEUDOINTERMEDIUS

A

ID UNDERLYING PROBLEMS, NARROW SPECTRUM ABX

26
Q

GREASY PIGS DISEASE IS CAUSED BY________ IT INFECTS _______ INFECTION VIA _____ IT S A COMMENSAL _______ IT CAUSES____

A 
STAPH HYICUS 
PIGLETS <3MOS 
BITE WOUNDS 
VAGINAL MUCOSA, SKIN, PREPUTIAL DIVERTICULUM 
EXCESSIVE SEBACEOUS EXCRETION
27
Q

STAPHYLOCOCCUS HYICUS TREATMENT AND PREVENTION

A

ISOLATE INFECTED PIGS
CLIP NEEDLE TEETH
EARLY SYSTEMIC ABX
DISINFECT AND GOOD HYGIENE

28
Q

TOXIC SHOCK SYNDROME IS CAUSED BY

A

SUPERANTIGENS ENTERING THE BLOOD STREAM (TOXIC SHOCK SYNDROME TOXINS)

29
Q

FOOD POISONING IS CAUSED BY

A

STAPH AUREUS ENTEROTOXINS

30
Q

WHAT SAMPLES CAN YOU SUBMIT FOR STAPH DIAGNOSIS

A

MILK, URINE, SKIN SCRAPING, PUS FROM ABCESS, EXUDATES

31
Q

WHAT DIAGNOSTICS CAN BE PERFORMED TO ID STAPH?

A

DIRECT MICROSCOPY- GRAPELIKE CLUSTERS AND NEUTROPHILS
CULTURE/ISOLATION IN BLOOD AGAR (HEMOLYSIS) AND MACCONKEY (NO GROWTH)
PCR

32
Q

STAPH IS HIGHLY ANTIMICROBIAL RESISTANT AND A SUSCEPTIBILITY TEST SHOULD BE RAN BEFORE ADMINISTERING ABX. T/F

A

TRUE

SG 3 BACTERIOLOGY (17 decks)

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