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MSS > Micro > Flashcards

Micro Flashcards

1
Q

What is the fever associated with Staphylococcus aureus called?

A

Scarlet fever

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2
Q

What toxin causes scalded skin syndrome?

A

Exfoliatin toxin

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3
Q

What toxin causes skin boils?

A

a-toxin

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4
Q

What causes necrotizing fascitis?

A

Group A B-hemolytic strep

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5
Q

What bacterias most commonly infect surgical wounds?

A

S.aureus and enteribacteriaceae

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6
Q

What is the cause of septic arthritis in patients over 40?

A

S.aureus

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7
Q

What is the stain & shape of propionibacterium and what disease does it cause?

A

G+ Bacilli; acne vulgaris

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8
Q

What is the stain & shape of bacteroides fragilis and what is its DOC?

A

G- bacilli; metronidazole

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9
Q

What is the shape & stain of veilonella?

A

G- cocci

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10
Q

Who are the patients susceptible to Pelvic actinomycosis ?

A

IUCD users

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11
Q

What does clostridium perfringes look like on blood agar?

A

Double hemolysis zones

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12
Q

What bacteria causes gas gangrene?

A

Clostridium perfringes

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13
Q

How does mu toxin work?

A

Hyaluronidase

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14
Q

What does c.perfringes show in naglar test?

A

White discoloration

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15
Q

What is the DOC for clostridium perfringes?

A

Large dose of penicillin

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16
Q

What vaccines are there for HPV?

A

Cervarix & gardasil

17
Q

What does HHV8 cause ?

A

Kaposi sarcoma (AIDS)

18
Q

What bacteria causes exanthem?

A

1) Measles
2) Rubella (mild child)
3) Roseola infentum (Subtim)

19
Q

What is the most common complication of measles?

A

SSPE

20
Q

M&M common cell ?

A

Giant cells

21
Q

Koplik spot are a sign of which disease?

A

Enanthem of measles

22
Q

Histology of measles?

A

Giant cells + Warthin-finkeldy + Inclusion bodies

23
Q

What does HSV-1 target?

A

Trigeminal, vagal & cervical nerve roots (above waist)

24
Q

What does HSV-2 target?

A

Sacral dorsal root nerve (S2-3) genital disease below waist

25
Q

What is the DOC for neonatal herpes ?

A

Acyclovir

26
Q

When is chicken pox infectious?

A

1-2 days before rash and 3-4 after

27
Q

What causes reactivation in neonatal herpes?

A

Stress

28
Q

What occupation gets sporotrichisis

A
29
Q

What causes actinomycetoms?

A

Nocardia asteroides

30
Q

What is the vector for brazil leshmania & baghdad boil?

A

Sand fly

31
Q

What do the results of wood’s lamp indicate?

A

Bright green: tinea capitis
Yellow: malassezia furfur

MSS (9 decks)

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