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BACTE > MICROCOCCACEAE, STAPHYLOCOCCI, STREPTOCOCCI > Flashcards

MICROCOCCACEAE, STAPHYLOCOCCI, STREPTOCOCCI Flashcards

1
Q

GRAM+, CATALASE POSITIVE (VIGOROUS BUBBLING), NON-MOTILE, FACULTATIVE, MODIFIED OXIDASE Positive, FURAZOLIDONE RESISTANT, LYSOSTAPHIN Resistant, BACITRACIN Susceptible, GROWS IN 6.5% NACL

A

MICROCOCCUS

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2
Q

CATALASE-POSITIVE, NONMOTILE, FACULTATIVE ANAEROBES, GROWS IN 6.5% NACL, BACITRACIN RESISTAN FURAZOLIDONE AND LYSOSTAPHIN SENSITIVE

A

STAPHYLOCOCCI

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3
Q

THIS GENUS IS PART OF THE NORMAL ORAL FLORA AND IS RARELY ISOLATED FROM INFECTION. THE COLONIES ADHERE STRONGLY TO THE AGAR SURFACE CATALASE NEGATIVE, BACITRACIN, FURAZOLIDONE RESISTANT DOES NOT GROW IN 6.5% NACL:

A

Stomatococus

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4
Q

GRAM-POSITIVE, CATALASE(-), LAP POSITIVE, NON MOTILE, FACULTATIVE ANAEROBE:

A

Streptococci

(All are LAP +)

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5
Q

OPPORTUNISTIC PATHOGENS FOUND ONLY IN IMMUNOCOMPROMISED PERSONS

A

MICROCOCCI

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6
Q

ENTEROTOXINS A AND D

Occurs 2-6 hours of consumption of contaminated food

A

FOOD POISONING

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7
Q

BOILS, CARBUNCLES FURUNCLES AND FOLLICULTIS LUNCH BOX FOOD

A

S AUREUS

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8
Q

multisystem disease characterized by high fever, rash, hypotension, shock, desquamation of the hands and feet, and possible death

A

TSS TAMPON ASSOCIATED

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9
Q

EXTENSIVE EXFOLIATIVE DERMATITIS ____________________ CAUSED BY EPIDERMOLYTIC OR EXFOLIATIVE TOXIN

A

SCALDED SKIN SYNDROME (RITTER’S DISEASE)

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10
Q

MORTALITY RATE FOR RITTER’S IS HIGHER IN ADULTS (CHRONIC RENAL FAILURE/IMMUNOCOMPROMISED THAN CHILDREN

A

TOXIN A AND B

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11
Q

ENTEROTOXIN F

A

TSST-1

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12
Q

SECONDARY TO BACTEREMIA

A

OSTEOMYELITIS

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13
Q

SECONDARY TO INFLUENZA

A

STAPH PNEUMONIA

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14
Q

SECONDARY TO INFLUENZA

A

STAPH PNEUMONIA

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15
Q

MAJOR S. AUREUS VIRULENCE MARKER

A

COAGULASE

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16
Q

*HELPS THE BACTERIUM (SAU) AVOID PHAGOCYTOSIS:

A

PROTEIN A

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17
Q

ESSENTIAL FOR SPREADING OF INFECTION

A

HYALURONIDASE /DURAN REYNAl

18
Q

CAUSES RBC HEMOLYSIS (SAU)

A

alpha and beta Hemolysin

19
Q

IN SBA ROUND, SMOOTH AND WHITE OR PIGMENTED (YELLOW ORANGE, BETA HEMOLYTIC

A

S. AUREUS

20
Q

FACILITATES SKIN COLONIZATION :

A

LIPASE

21
Q

SAU grows in

A

GROWS IN MSA CNA. PEA

22
Q

IS A PRESUMPTIVE TEST, SINCE S. EPIDERMIDIS AN ALSO FERMENT MANNITOL

A

MSA

23
Q

RAPID TEST TO DETECT PROTEIN A IN S. AUREUS

A

Passive Hemaggulutination

24
Q

NORMAL FLORA IN HUMANS AND ANIMALS, HOSPITAL ACQUIRED (NOSOCOMIAL), ASSOCIATED WITH CATHETERIZATION PROSTHETIC DEVICE IMPLANTS, AND IMMUNOSUPPRESSIVE THERAPY

A

CONS

25
Q

LESS COMMON SPECIES of CoNS,

A

S. haemolyticus
S. lugdunensis
S. Schleiferi (non coagulans)

26
Q

SAPROPHYTICUS AND S. EPIDERMIDIS ON SHEEP BLOOD AGAR, COLONIES ARE USUALLY

A

ROUND, SMOOTH, AND WHITE WITHOUT HEMOLYSIS

27
Q

NOVOBIOCIN RESISTANT 5uG CONCENTRATION

A

S. SAPROPHYTICUS,
S. KLOOSII
S. XYLOSUS,
S COHNI,

28
Q

BIOFILM-DELTA TOXIN (SLIME)
SIMILAR VIRULENCE FACTORS WITH S LUGDUNENSIS AND S. HAEMOLYTICUS

A

S. Epidermidis

29
Q

ENDOGENOUS STRAIN: STERILE SITE, BY IMPLANTATION OF MEDICAL DEVICES (EG, SHUNTS, PROSTHETIC DEVICES

A

S. Epidermidis

30
Q

ENDOGENOUS STRAIN STERILE URINARY TRACT, NOTABLY IN YOUNG, SEXUALLY ACTIVE FEMALES

A

S SAPROPHYTICUS

31
Q

ENDOGENOUS STRAIN: UNCERTAIN, RARELY IMPLICATED IN INFECTIONS IMMUNOCOMPROMISED HOSTS

A

MICROCOCCUS

32
Q

IMPETIGO

A

SAU, S. pyo, MRSA

33
Q

PCR FROM CLINICAL SWABS (MEC A)

A

MRSA

34
Q

MRSA, IT IS RECOMMENDED THAT POSITIVE NUCLEIC ACID-BASED TESTING BE UTILIZED AS A _________________ AND ____________CULTURE AND ANTIMICROBIAL SENSITIVITY TESTING IS RECOMMENDED

A

PRELIMINARY RESULT; CONFIRMATORY

35
Q

Medium To Large (0.5-1.5 µm): Smooth. Entire, Slightly Raised, Low Convex,
Opaque: Most Colonies Pigmented Creamy Yellow,
Most Colonies Beta Hemolytic

A

S. ureus

36
Q

SMALL TO MEDIUM: OPAQUE,
GRAY WHITE COLONIES,
MOST COLONIES NONHEMOLYTIC SLIME PRODUCING STRAINS ARE EXTREMELY STICKY AND ADHERE TO THE AGAR SURFACE

A

S EPIDERMIDIS

37
Q

Small to medium (1-2 µm), opaque, convex, non-hemolytic wide variety of pigments (white, tan, yellow, orange, pink)

A

MICROCOCCUS

38
Q

LARGE ENTIRE VERY GLOSSY, SMOOTH, OPAQUE, BUTYROUS, CONVEX USUALLY WHITE BUT COLONIES CAN BE YELLOW OR ORANGE

A

S. SAPROPHYTICUS

39
Q

TUBE COAG POSITIVE:_______________
EVENTHOUGH
VARiaBLE RESULTS FOR ______________ STILL CONVIDERED POSitive

A

Sau, S. hyicus, S. INTERMEDIUS ANDS SCHLEIFERI

S.. HYICUS AND INTERMEDIUS

40
Q

COMMON RESISTANCE MECHANISM FOR STAPHYLOCOCi

A

B. Lactamase

BACTE (6 decks)

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