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IV - G( ) Bacilli Flashcards

1
Q

Prominent immunomodulators in Staph. Aureus

A

Protein A, PV Leukocidin, Penicillinase

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2
Q

Coagulase (+) Catalase (+)

A

Staphylococcus aureus

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3
Q

Allows Staph. Aureus to hydrolyze hyaluronic acid

A

Hyluronidase

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4
Q

Etiology of bullous impetigo, hidradinitis suppurativa

A

Staphylococcus aureus

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5
Q

MCC of ACUTE endocarditis, native valve endocarditis in native valve users

A

Staphylococcus aureus

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6
Q

MCC of post-viral pneumonia, with pneumatocoele, necrotizing pneumonia

A

Staphylococcus aureus

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7
Q

MCC of osteomyelitis, septic arthritis

A

Staphylococcus aureus

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8
Q

Osteomyelitis in the metaphysis, caused by Staph. Aureus

A

Brodie abscess

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9
Q

Heat stable toxin from Staph. Aureus causing gastroenteritis

A

Enterotoxin

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10
Q

Staph. Aureus toxin causing Scalded Skin Syndrome (Ritter disease)

A

Exfoliatin

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11
Q

Seperation of epidermis in SSS

A

Granulosum-spinosum

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12
Q

Staph. Aureus toxin causing Toxic Shock Syndrome

A

TSST-1

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13
Q

DOC in MSSA

A

Oxacillin, Nafcillin, Dicloxacillin

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14
Q

DOC in MRSA

A

Vancomycin

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15
Q

DOC in VRSA

A

Linezolid

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16
Q

Coagulase (+) Catalase (-) Novo-sens

A

Staphylococcus epidermidis

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17
Q

MCC of prosthetic valve endocarditis

A

Staphylococcus epidermidis

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18
Q

DOC in Staph. Epidermidis endocarditis

A

Vancomycin

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19
Q

Coagulase (+) Catalase (-) Novo-res

A

Staphylococcus saprophyticus

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20
Q

DOC in Staph. Saprophyticus

A

TMP-SMX (#2 cause of UTI in sexually active women)

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21
Q

Catalase (-) beta hemolytic, bacitracin sensitive

A

Streptococcus pygogenes (GABHS)

22
Q

Radip test for GABHS

23
Q

Titer for GABHS in pharyngitis

24
Q

Titer for GABHS in skin infection

A

Anti-Dnase B

25
Q

GABHS toxin, causes AB formation

A

Streptolysin O

26
Q

Complication of skin infection by GABHS

27
Q

GABHS toxin causing nectrotizing fasciitis

A

Exotoxin B

28
Q

MCC bacterial cause of sore throat/pharyngitis

A

Streptococcus pygogenes (GABHS)

29
Q

Complication of GABHS pharyngitis

A

Scarlet fever, acute rheumatic fever

30
Q

GABHS toxin causing scarlet fever

A

Erythrogenic toxin

31
Q

Clinical manifestations of scarlet fever

A

fever, strawberry tongue, Pastia’s lines/Thompson sign

32
Q

GABHS toxin causing Streptococcal Toxic Shock Syndrome

A

Exotoxin A

33
Q

(+) blood culture: GABHS TSS or Staph aureus TSS?

34
Q

Cross-reactive protein in ARFever

35
Q

DOC in PSGN (GABHS)

A

Penicillin G

36
Q

Catalase (-) beta hemolytic, bacitracin resistant

A

Streptococcus agalactiae (GBBHS)

37
Q

MCC of neonatal pneumonia, sepsis, meningitis in the WORLD

A

Streptococcus agalactiae (GBBHS)

38
Q

MCC of neonatal pneumonia, sepsis, meningitis in the Philippines

39
Q

DOC in GBBHS

A

Penicillin G

40
Q

Chemoprophylaxis for women with (+) GBBHS on 35-37 wk screen

A

IV Penicillin or Ampicillin

41
Q

Catalase (-), gamma hemolytic

A

Group D Strep / Enterococcus faecalis

42
Q

Positive PYR test

A

Group D Strep + GABHS

43
Q

Etiology of marantic endocarditis in patients with abdominal malignancy (Strep. Bovis)

A

Group D Strep

44
Q

DOC for Group D Strep

A

Penicillin G + Gentamicin

45
Q

Catalase (-) alpha hemolytic, Optichin sensitive, (+) Quellung

A

Streptococcus pneumoniae

46
Q

MCC of CAP

A

Streptococcus pneumoniae

47
Q

MCC of otitis media, sinusitis, elderly bac meningitis

A

Streptococcus pneumoniae

48
Q

DOC for Streptococcus pneumoniae

A

Penicillin G

49
Q

MCC of SUBACUTE endocarditis and NATIVE valve endocarditis

A

Viridans Streptococci

50
Q

DOC for Viridans Strep

Microbiology Flashcards (11 decks)

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