IV - G( ) Bacilli

Question 1

Prominent immunomodulators in Staph. Aureus

Answer 1

Protein A, PV Leukocidin, Penicillinase

Question 2

Coagulase (+) Catalase (+)

Answer 2

Staphylococcus aureus

Question 3

Allows Staph. Aureus to hydrolyze hyaluronic acid

Answer 3

Hyluronidase

Question 4

Etiology of bullous impetigo, hidradinitis suppurativa

Answer 4

Staphylococcus aureus

Question 5

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

Answer 5

Staphylococcus aureus

Question 6

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

Answer 6

Staphylococcus aureus

Question 7

MCC of osteomyelitis, septic arthritis

Answer 7

Staphylococcus aureus

Question 8

Osteomyelitis in the metaphysis, caused by Staph. Aureus

Answer 8

Brodie abscess

Question 9

Heat stable toxin from Staph. Aureus causing gastroenteritis

Answer 9

Enterotoxin

Question 10

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

Answer 10

Exfoliatin

Question 11

Seperation of epidermis in SSS

Answer 11

Granulosum-spinosum

Question 12

Staph. Aureus toxin causing Toxic Shock Syndrome

Answer 12

TSST-1

Question 13

DOC in MSSA

Answer 13

Oxacillin, Nafcillin, Dicloxacillin

Question 14

DOC in MRSA

Answer 14

Vancomycin

Question 15

DOC in VRSA

Answer 15

Linezolid

Question 16

Coagulase (+) Catalase (-) Novo-sens

Answer 16

Staphylococcus epidermidis

Question 17

MCC of prosthetic valve endocarditis

Answer 17

Staphylococcus epidermidis

Question 18

DOC in Staph. Epidermidis endocarditis

Answer 18

Vancomycin

Question 19

Coagulase (+) Catalase (-) Novo-res

Answer 19

Staphylococcus saprophyticus

Question 20

DOC in Staph. Saprophyticus

Answer 20

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

Question 21

Catalase (-) beta hemolytic, bacitracin sensitive

Answer 21

Streptococcus pygogenes (GABHS)

Question 22

Radip test for GABHS

Answer 22

PYR test

Question 23

Titer for GABHS in pharyngitis

Answer 23

ASO titer

Question 24

Titer for GABHS in skin infection

Answer 24

Anti-Dnase B

Question 25

GABHS toxin, causes AB formation

Answer 25

Streptolysin O

Question 26

Complication of skin infection by GABHS

Answer 26

PSGN

Question 27

GABHS toxin causing nectrotizing fasciitis

Answer 27

Exotoxin B

Question 28

MCC bacterial cause of sore throat/pharyngitis

Answer 28

Streptococcus pygogenes (GABHS)

Question 29

Complication of GABHS pharyngitis

Answer 29

Scarlet fever, acute rheumatic fever

Question 30

GABHS toxin causing scarlet fever

Answer 30

Erythrogenic toxin

Question 31

Clinical manifestations of scarlet fever

Answer 31

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

Question 32

GABHS toxin causing Streptococcal Toxic Shock Syndrome

Answer 32

Exotoxin A

Question 33

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

Answer 33

GABHS

Question 34

Cross-reactive protein in ARFever

Answer 34

M protein

Question 35

DOC in PSGN (GABHS)

Answer 35

Penicillin G

Question 36

Catalase (-) beta hemolytic, bacitracin resistant

Answer 36

Streptococcus agalactiae (GBBHS)

Question 37

MCC of neonatal pneumonia, sepsis, meningitis in the WORLD

Answer 37

Streptococcus agalactiae (GBBHS)

Question 38

MCC of neonatal pneumonia, sepsis, meningitis in the Philippines

Answer 38

E. coli

Question 39

DOC in GBBHS

Answer 39

Penicillin G

Question 40

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

Answer 40

IV Penicillin or Ampicillin

Question 41

Catalase (-), gamma hemolytic

Answer 41

Group D Strep / Enterococcus faecalis

Question 42

Positive PYR test

Answer 42

Group D Strep + GABHS

Question 43

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

Answer 43

Group D Strep

Question 44

DOC for Group D Strep

Answer 44

Penicillin G + Gentamicin

Question 45

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

Answer 45

Streptococcus pneumoniae

Question 46

MCC of CAP

Answer 46

Streptococcus pneumoniae

Question 47

MCC of otitis media, sinusitis, elderly bac meningitis

Answer 47

Streptococcus pneumoniae

Question 48

DOC for Streptococcus pneumoniae

Answer 48

Penicillin G

Question 49

MCC of SUBACUTE endocarditis and NATIVE valve endocarditis

Answer 49

Viridans Streptococci

Question 50

DOC for Viridans Strep

Answer 50

Pen G