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Microbiology Exam 6 > Epidemiology > Flashcards

Epidemiology Flashcards

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1
Q

Pasteurella multocida

A

Cat bite

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2
Q

Onchocerca volvulus

A

blackfly bite

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3
Q

Capnocytophaga canimorsus

A

Dog bite

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4
Q

Streptobacillus moniliformis

A

Rat bite

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5
Q

Bacillus anthracis

A

herbivores: cattle, sheep, goats, horses

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6
Q

Human bite wound

A

Eikenella corrodens

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7
Q

Sporothrix schenckii

A

plant material, rosebush thorns, wood splinter

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8
Q

Mycetoma, Lobomycosis, Phaeomycotic cyst

A

plant material exposure

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9
Q

Fecal contamination

A

Enterovirus

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10
Q

Microorganism associated w/ Erythema Infectiosum

A

HPV B19

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11
Q

Microorganism associated w/ Measles/Rubeola

A

Measles

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12
Q

Microorganism associated w/ 3-day Measles

A

Rubella

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13
Q

Microorganism associated w/ Enteroviral infection

A

ECHO, Coxsackie, Enterovirus 68-71

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14
Q

Microorganism associated w/ Cold Sores

A

HSV-1/2

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15
Q

Microorganism associated w/ Chickenpox

A

VZV (or HHV-3)

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16
Q

Microorganism associated w/ Exanthem Subitum

A

HHV-6/7

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17
Q

Microorganism associated w/ Kaposi Sarcoma

A

HHV-8

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18
Q

Microorganism associated w/ Variola major

A

Smallpox

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19
Q

Microorganism associated w/ Mumps

A

Mumps

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20
Q

Microorganism associated w/ Meningococcemia

A

N. meningitis

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21
Q

Microorganism associated w/ Epidemic impetigo

A

S. pyogenes

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22
Q

Microorganism associated w/ Dermatomycosis

A

Candida albicans

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23
Q

Microorganism associated w/ Ecthyma

A

S. pyogenes

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24
Q

Microorganism associated w/ Erysipelas

A

S. pyogenes

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25
Q

Which viral infections can be passed in utero?

A

HPV B19, Measles, Rubella, ECHO, HSV-1/2, VZV

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26
Q

Salt-water exposure cellulitis

A

Vibrio vulnificus

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27
Q

Fresh-water exposure cellulitis

A

Aeromonas, P. aeruginosa

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28
Q

Flooding fresh water cellulitis

A

Aeromonas

29
Q

Hot tub cellulitis

A

P. aeruginosa

30
Q

Human bite cellulitis

A

Eikenella corrodens

31
Q

w/in 72 hrs of surgery predisposes to cellulitis

A

Staph aureus (2-3d post-surgery), GAS & GBS, C. perfringens type A

32
Q

“fish tank cellulitis”

A

M. marinum

33
Q

Pedicure exposure predisposes to cellulitis

A

M. fortuitum, M. abscessus, M. chelonae

34
Q

Scarlet fever is mediated by

A

S. pyogenes exotoxins - SPE

35
Q

Clostridial Myonecrosis is mediated by

A

C. perfringens type A exotoxins - PLC and Perfringolysin

36
Q

SSSS is mediated by

A

single loci of S. aureus and disseminated exotoxin

37
Q

Bullous impetigo is mediated by

A

S. aureus exfoliatin exotoxin

38
Q

T cell suppression is required for which infection

A

Cryptococcosis

39
Q

PMN suppression is required for

A

Mucormycosis

40
Q

Superantigens are involved in which diseases

A

Scarlet fever and STSS (S. pyogenes)

41
Q

ssRNA viruses include:

A

Measles, Rubella, Non-polio enterovirus

42
Q

DNA viruses include

A

HPV B19 (ssDNA), Smallpox, VZV

43
Q

Fluoresces w/ Wood’s Lamp

A

Microsporum, Malassezia furfur, Erythrasma (C. minutissimum - red)

44
Q

Guarnieri bodies

A

black intracytoplasmic inclusions on Silver stain

Smallpox

45
Q

Cowdry type A

A

intranuclear inclusions seen with VZV or Herpes virus

46
Q

FAT and giant cell formation

A

Measles

47
Q

Cause of foruncles, carbuncles, and folliculitis

A

S. aureus

48
Q

Cause of Epidemic Impetigo

A

S. aureus and S. pyogenes

49
Q

Cause of Scarlet Fever

A

S. pyogenes

50
Q

Cause of Bullous impetigo

A

S. aureus

51
Q

Cause of SSSS/Ritter’s Disease

A

S. aureus

52
Q

Treatment for Anthrax

A

Fluoroquinolones

53
Q

Treatment for Erysipelas, Cellulitis

A

Cefazolin, Ceftriazone (should cover for Staph and Strep)

54
Q

Treatment for complicated Cellulitis

A

Levofloxacin

55
Q

Treatment for Zoster

A

acyclovir, famciclovir, valacyclovir, VZIG for post-exposure prophylaxis

56
Q

Smallpox Treatment

A

Cidofovir

57
Q

Microorganism associated w/ Black piedra

A

Piedra hortai

58
Q

Microorganism associated w/ White piedra

A

Trichosporon beigelii

59
Q

Treatment for Sporotrichosis

A

Itraconazole; Amphotericin B in AIDS pts

60
Q

Tracking along lymphatics

A

Sporotrichosis

61
Q

Painless black eschar

A

Anthrax

62
Q

Painful black eschar

A

P. aeruginosa - Ecthyma gangrenosum

63
Q

Monomicrobic Necrotizing Fasciitis is usually caused by

A

Invasive GAS (serotype M1)

64
Q

Clostridial Myonecrosis - atraumatic

A

Clostridium septicum

65
Q

Tinea capitis is caused by which agents in the US primarily

A

M. audouinii and M. canis

66
Q

Involves the lymphatics

A

Sporotrichosis and Erysipelas

67
Q

Mycetoma causes

A

Actinomyces israelii and many others

68
Q

Diabetic foot ulcer causes

A

B. fragilis, etc

Microbiology Exam 6 (5 decks)

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