Bacteriology - Staph and Strep

Question 1

Virulence Factors of Staph aureus

Answer 1

Exfoliatin, Heat Stable Enterotoxin; TSST-1; Alpha Toxin

Question 2

Test for susceptibility for scarlet fever

Answer 2

Dick Test

Question 3

TEN aka

Answer 3

lyell disease

Question 4

Tampon… Nasal packing..

Answer 4

Toxic Shock Syndrome of Staph aureus

Question 5

Scaled Skin Syndrome aka

Answer 5

Ritter Syndrome

Question 6

Rust colored sputum, lobar distribution

Answer 6

Strep pneumoniae

Question 7

Produces scarlet fever

Answer 7

Erythrogenic toxin

Question 8

Potato Salad, Mayonaisse

Answer 8

Staph aureus

Question 9

OVERPaSs

Answer 9

Optochin: Viridans Resistant; Pneumoniae Sensitive

Question 10

Novobiocin sensitive staph

Answer 10

Staph Epidermidis

Question 11

NO StRES

Answer 11

Novobiocin: Saprophyticus Resistant; Epidermidis Sensitive

Question 12

Most common cause of acure endocarditis

Answer 12

Staph aureus

Question 13

MCC of Ventriculoperitoneal shunt infections

Answer 13

Staph Epidermidis

Question 14

MCC of subacute bacterial endocarditis and native valve endocarditis

Answer 14

Strep sanguis

Question 15

MCC of septic arthritis in prosthetic joints

Answer 15

Staph Epidermidis

Question 16

MCC of prosthetic valve endocarditis

Answer 16

Staph Epidermidis

Question 17

MCC of otitis media

Answer 17

Strep pneumoniae

Question 18

MCC of neonatal pneumonia, sepsis, and meningitis

Answer 18

Group B strep (agalactiae) - ***recall BEL -group B, Escherichia, Listeria

Question 19

MCC of CAP

Answer 19

Strep pneumoniae

Question 20

MCC of bacterial sore throat

Answer 20

Strep pyogenes

Question 21

Lancet shaped gram positive diplococci

Answer 21

Strep pneumoniae

Question 22

Honey-colored crust, may cause post strep GN

Answer 22

Impetigo contagiosa

Question 23

For TEN, separation of skin layers occurs at the

Answer 23

Dermo-epidermal junction

Question 24

For SSS, separation of the epidermis occurs at the

Answer 24

granulosa layer

Question 25

focus of osteomyelities arising in the metaphyseal area of a long bone caused by staph aureus

Answer 25

Brodie’s abscess

Question 26

fever, strawberry tongue, centrigual sand-paper like rash, pastia’s lines of desquamation

Answer 26

scarlet fever

Question 27

fever, hypotension, strawberry tongue, desquamating rash

Answer 27

Toxic Shock Syndrome of Staph aureus

Question 28

Encapsulated Bacteria (Some Killers Have Pretty Nice and Shiny Bodies)

Answer 28

Strep pneumoniae, Klebsiella, Haemophilus, Pseudomonas, Neisseria meningitidis, Salmonella typhi, B group streptococci

Question 29

DOC for Vancomycin RSA

Answer 29

Linezolid

Question 30

DOC for PSGN

Answer 30

Pen G

Question 31

DOC for MRSA

Answer 31

Vancomycin

Question 32

Causes MARANTIC endocarditis in patients with abdominal malignancy

Answer 32

Streptococcus bovis

Question 33

Causes endocarditis in patients who underwent GIT surgery

Answer 33

Enterococcus faecalis (group D)

Question 34

BRAS

Answer 34

Bacitracin: group B resistant (agalactiae); group A sensitive (A=pyogenes)

Question 35

Bile Optochin

Answer 35

Sensitive: strep pneumoniae; Resistant; strep viridans

Question 36

2nd most common cause of UTIs in sexually active women

Answer 36

Staph saprophyticus

Question 37

(+) test: red compound that can differentiate pyogenes and group D from other strep

Answer 37

PYR Test