Micro Flashcards
What is the fever associated with Staphylococcus aureus called?
Scarlet fever
What toxin causes scalded skin syndrome?
Exfoliatin toxin
What toxin causes skin boils?
a-toxin
What causes necrotizing fascitis?
Group A B-hemolytic strep
What bacterias most commonly infect surgical wounds?
S.aureus and enteribacteriaceae
What is the cause of septic arthritis in patients over 40?
S.aureus
What is the stain & shape of propionibacterium and what disease does it cause?
G+ Bacilli; acne vulgaris
What is the stain & shape of bacteroides fragilis and what is its DOC?
G- bacilli; metronidazole
What is the shape & stain of veilonella?
G- cocci
Who are the patients susceptible to Pelvic actinomycosis ?
IUCD users
What does clostridium perfringes look like on blood agar?
Double hemolysis zones
What bacteria causes gas gangrene?
Clostridium perfringes
How does mu toxin work?
Hyaluronidase
What does c.perfringes show in naglar test?
White discoloration
What is the DOC for clostridium perfringes?
Large dose of penicillin
What vaccines are there for HPV?
Cervarix & gardasil
What does HHV8 cause ?
Kaposi sarcoma (AIDS)
What bacteria causes exanthem?
1) Measles
2) Rubella (mild child)
3) Roseola infentum (Subtim)
What is the most common complication of measles?
SSPE
M&M common cell ?
Giant cells
Koplik spot are a sign of which disease?
Enanthem of measles
Histology of measles?
Giant cells + Warthin-finkeldy + Inclusion bodies
What does HSV-1 target?
Trigeminal, vagal & cervical nerve roots (above waist)
What does HSV-2 target?
Sacral dorsal root nerve (S2-3) genital disease below waist
