bacterial 2

Question 1

Toxic Shock Syndrome
50% of nonmenstrual
cases
menstrual cases

Answer 1

Enterotoxins B and C

TSST-1 (TSS toxin 1)

Question 2

Staphylococcal Scalded
Skin Syndrom

Exfoliative
toxins
bind to

Answer 2

Epidermolytic
toxins A and B (ET-A,
ET-B)
desmoglein-1

Question 3

Children under 5
years of age, adults
with renal failure or
immunodeficiency risk of

Answer 3

Staphylococcal Scalded

Skin Syndrome

Question 4

Positive Nikolsky’s

sign

Answer 4

•in lesional and

non-lesional skin

Question 5

Staphylococcal Scalded

Skin Syndrome cleavage

Answer 5

Subgranular blister

Question 6

Exfoliative toxins A
and B

• TSST-1

Answer 6

Staphylococcal Scalded
Skin Syndrome

Bullous Impetigo

Question 7

SSSS VS BI
site of staph infx
cleavage

Answer 7

•BI Subcorneal blister, AT SITE VS DISTANT

Question 8

(Staphylococcal Scarlet

Fever) VS SCARLET FEVER??

Answer 8

Generalized scarlatiniform rash
• No other signs
of Scarlet Fever

Question 9

signs of Scarlet Fever

Answer 9

Pastia’s lines,
pharyngitis,
strawberry tongue
circumoral pallor

Question 10

Sycosis barbae

Answer 10

StaphylococcaL

Question 11

Ecthyma

Answer 11

majority of cases caused by Group A
streptococcus)
StaphylococcaL

Question 12

Botryomyosis

Answer 12

S. aureus
E. coli
Proteus species
P. aeruginosa

Question 13

staphylococcal whitlow

Answer 13

Felon

Question 14

Purpura fulminan

Answer 14

staphylococca

Question 15

Sharply demarcated tender erythematous plaque in perianal region in children

Answer 15

Perianal streptococcal “cellulitis”

Question 16

Scarlet Fever

TOXIN

Answer 16

• Pyrogenic exotoxin (erythrogenic toxin) – mediated: types A, B, and C

Question 17

Purpura Fulminans
leading association
most common site

Answer 17

• Group A streptococcal infection

extermities ear and nose

Question 18

Corynebacterium tenuis causes

• Characteristic features:

Answer 18

Trichomycosis Axillaris

Yellowish brown concretions on axillary hair shafts

Question 19

Francisella tularensis

caused by contact with

Answer 19

Tularemia
infected rabbits (e.g., hunters)

Question 20

SCARLET FEVER
Enanthem
Exanthem:

Answer 20

: Exudative pharyngitis, strawberry tongue
Diffuse erythematous eruption with “sandpaper” texture, beginning on head
and neck, and then generalizes, sparing palms/soles

• Desquamation upon resolution of exanthem, beginning on face/ears

Question 21

Pastia’s lines

Answer 21

linearbpetechial patches in axillae and antecubital fossae

Question 22

Tularemia
most common

Other forms: Glandular, chancriform, oculoglandular, typhoidal, pulmonary, oropharyngeal,and meningeal
• Treatment:

Answer 22

Ulceroglandular form – chancre raised borders and

regional lymphadenopathy finger or hand

Question 23

Tularemia treatment

Answer 23

Streptomycin