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Andrews/Bolognia > Parasites Part II Bites and Stings > Flashcards

Parasites Part II Bites and Stings Flashcards

1
Q

Honeybee venom

A

phospholipase A, histamine, hyaluronidase, mellitin

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2
Q

Solenopsis (fire ants) venom

A

Solenopsin D

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3
Q

Bedbug species

A

Cimex lectularius (common), Cimex hemipterus (tropical)

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4
Q

Triatome reduviid (kissing, assasin bug) caries

A

T. cruzi

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5
Q

T. cruzi extracutaneous effects

A

Autonomic nervous system (cardiomegaly, megacolon)

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6
Q

Romana’s sign

A

unilateral eyelid swelling - chagoma (american T)

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7
Q

Parinaud sign

A

Preauricular lymphadenopathy (american T)

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8
Q

Blistering agent in blister beetle

A

Cantharidin

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9
Q

Pulex irritans - comb?

A

Human flea - no comb

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10
Q

Xenopsylla cheopis - comb?

A

Oriental rat flea - comb

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11
Q

Ctenocephalides felis - comb

A

Cat flea - comb

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12
Q

Vector and organism for plague

A

Xenopsylla cheopis and yersinia pestis

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13
Q

Vector and organism for typhus

A

Xenopsylla cheopis and rickettsia typhus

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14
Q

Vector for both plague and tularemia

A

Squirrel flea (diamanus montanus)

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15
Q

Single or multiple black or hemorrhagic crusted papules on toes - sandy beaches

A

Tungiasis - tunga penetrans (chigoe, sand flea, jigger)

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16
Q

Lagoa crispata (Megalopyge crispata)

A

Puss caterpillar

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17
Q

Acharia stimulea (Sibine stimulae)

A

Saddleback caterpillar

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18
Q

Nygmia phoeorrhoea, Euproctis chrysorrhoea

A

Browntail moth caterpillar

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19
Q

Cossus cossus

A

goat moth

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20
Q

Caripito itch

A

Severe conjunctivitis and pruritus with contact to hairs on moth

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21
Q

Lymantria dispar

A

Gypsy moth caterpillar

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22
Q

Automeris io

A

Lo moth caterpillar

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23
Q

Hemileuca maia

A

Buck moth caterpillar

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24
Q

Megalopyge opercularis

A

Southern flannel caterpillar, puss caterpillar, wooly asp

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25
Q

Lonomia achelous/oblique

A

Saturniid moth caterpillar, giant silkworm moth

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26
Q

Myiasis

A

Dermatobia hominis (human botfly), Cordylobia anthropophaga (tumbu fly), Phaenicia sericata (green blowfly)

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27
Q

Tabanidae

A

Horsefly, deerfly, chrysops (tularemia and loiasis)

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28
Q

Muscidae

A

Tsete fly (african trympanosomiasis)

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29
Q

Simulidae

A

Black fly (onchocerciasis)

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30
Q

Psychodidae

A

Sandfly (leishmaniasis - phlebotomus/lutzomyia), lutzomyia verrucarum (oroya feer/verruga peruana - b. bacilliformis

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31
Q

Anopheles mosquito

A

Malaria

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32
Q

Aedes mosquito

A

Yellow fever, dengue fever

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33
Q

Culex mosquito

A

Filariasis, west nile fever

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34
Q

Amblyomma ticks (lone star)

A

Ehrlichiosis, rickettsial infections (RMSF - r. ricketsii, american tick bite fever - r. parkeri, african tick bite fever - r. africae, STARI, tularemia

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35
Q

Dermacentor ticks

A

D. andersoni - RMSF, colorado tick fever

D. variabilis (dog tick) - RMSF, tularemia, erlichiosis, q fever

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36
Q

Rhipicephalus ticks

A

Brown dog tick - boutonneuse fever, RMSF, congo-crimean hemorrhagic fever virus

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37
Q

Ixodes ticks

A

Deer tick (ixodes scapularis/pacificus) - lyme disease, human granulocytotropic anaplasmosis, babesiosis

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38
Q

Lyme borreliosis pathogen/vector

A

Borrelia burgdorferi

Ixodes dammini, scapluaris, pacificus, amblyomma americanum

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39
Q

Relapsing fever pathogen/vector

A

Borrelia duttonii, Borrelia hermsii, Borrelia turicatae

Ornithodoros moubata

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40
Q

RMSF pathogen/vector

A

Rickettsia ricketsii

A americanum, dermacentor andersoni (wood), variabilis (dog), Rhipicephalus sanguineus (brown dog)

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41
Q

Babesiosis pathogen/vector

A

Babesia microti

Ixodes dammini

42
Q

Tularemia pathogen/vector

A

Francisella tularensis

D. andersoni (wood), variabilis (dog)

43
Q

Erlichiosis

A

Erlichia canis, E chaffeensis, sennetsu

A americanum, Rhipicephalus sanguineus, d andersoni

44
Q

How many legs do scabies have?

A

8

45
Q

How many legs do scabies larvae have?

A

6

46
Q

How man legs do lice have? (pediculosis - louse)

A

6

47
Q

Phthirus humans var. capitis

A

Head louse

48
Q

Phthirus var. coropris

A

Body louse

49
Q

Phthirus pubis

A

Pubic or crab louse

50
Q

Vector/disease for Borrelia recurrentis

A

Pediculosis corporis (body lice)/Relapsing fever

51
Q

Vector/disease for Bartonella quintana

A

Pediculosis coropris (body lice)/Trench fever

52
Q

Vector/disease for Rickettsi prowazekii

A

Pediculosis corporis (body lice)/Epidemic typus

53
Q

Pathogen/vector for relapsing fever

A

Borrelia recurrentis/Pediculosis corporis (body lice)

54
Q

Pathogen/vector for trench fever

A

Bartonella quintana/Pediculosis corporis (body lice)

55
Q

Pathogen/vector for epidemic typhus

A

Rickettsi prowazekii/Pediculosis corporis (body lice)

56
Q

“walking dandruff”

A

Cheyletiella mites (cats, dogs, rabbits)

57
Q

“harvest mites”

A

Chiggers (trombiculid) - Eutrombicula alfreddugesi in US, Neotrombicula autumnalis in Europe

58
Q

Eschar at site of bite - pathogen?

A

Rickettsial disease

59
Q

House mouse mite pathogen

A

Rickettsi akari (rickettsialpox)

60
Q

Scrub typhus vector/pathogen

A

Chigger (eutrombicula)/orientia tsutsugamushi (formerly rickettsi)

61
Q

Baker’s itch

A

Acarus siro

62
Q

Wheat warehouse itch (japan) or wheat mite

A

Cheyletus malaccensis

63
Q

Grocer’s itch (cheese mite)

A

glycyphagus domesticus

64
Q

Black widow scientific name

A

Latrodectus macatans

65
Q

Black widow toxin

A

lactrotoxins, depolarize neurons

66
Q

Treatment for black widow

A

Antivenom, benzodiazepines, calcium gluconate for tetany

67
Q

Color, shape and location of black widow sign

A

red, hourglass, ventral side

68
Q

Brown recluse spider scientific name

A

Loxosceles reclusa

69
Q

Brown recluse spider toxin

A

Sphingomyelinase D

70
Q

Treatment for brown recluse spider

A

Antivenom, prednisone

71
Q

Color, shape and location of brown recluse spider

A

brown, violin, dorsal side

72
Q

Funnel web spider (hobo) scientific name

A

Tegenaria agrestis

73
Q

Funnel web toxin causes?

A

local necrosis and pain - affects CNS

74
Q

Tarantula scientific name

A

Lycosoidae: Theraphosidae

75
Q

How it attacks and what it does?

A

Hairs on ventral side causes urticaria - opthalmia nodose in eyes - granulomatous reaction and possible vision loss

76
Q

2 most toxic scorpions in the US

A

Centruroides exilicauda & Centruroides sculpturatus

77
Q

Shape of centipede bite

A

chevron

78
Q

shape of snake bite

A

paired marks

79
Q

Difference in defense mechanisms of centipedes and milipedes

A

Centipedes have a painful bit, millipedes secrete noxious substances causing a chemical irritant contact dermatitis

80
Q

Most common pathogen associated with marine injuries?

A

s. aureus

81
Q

Vibrio vulnificus is associated with what internal disease

A

liver disease, especially cirrhosis of liver

82
Q

Pathogens associated with marine injuries?

A

m. marinum, v. vulnificus, erysipelothrix rhusiopathiae, aeromonas hydrophilia

83
Q

Snake venom - common in most

A

hydrolases

84
Q

Pathogens in dog/cat bite

A

Pasturella or Capnocytophaga canimorsus

85
Q

Treatment for dog/cat bite

A

augmentin

86
Q

2 most common pathogens in human bite

A

s. aureus, eikenella corrodens

87
Q

Vector for african trympanosomiasis

A

tsetse fly (muscidae)

88
Q

Vector for onchocerciasis

A

black fly (simulidae)

89
Q

Vector for old and new world leischmaniasis

A

Old - phlebotomies sand fly, New - lutzomyia sand fly

90
Q

Vector for verruga peruana/oroyo fever

A

lutzomyia verrucarum - b. bacilliformis

91
Q

RMSF organism/vector

A

r. rickettsii/dermacentor andersoni or variabilis

92
Q

Rickettsialpox organism/vector

A

r. akari/house mouse mite (liponyssoides sanguineus)

93
Q

Epidemic typhus organism/vector

A

r. prowazekii/body louse

94
Q

Endemic typhus organism/vector

A

r. typhi/xenopsylla cheopis

95
Q

Scrub typhus organism/vector

A

orientia tsutsugamushi/chigger (trombiculid)

96
Q

Q fever organism/vector

A

Coxiella burnetii/dried inhaled tick feces

97
Q

Ehrlichiosis organism/vector

A

Chaffeensis/a americanum, i scapularis, i pacificus

98
Q

cantharidin is derived from

A

lytta vesicatoria (spanish fly) is a blister beetle from which cantharadin is made

99
Q

snake bite anti venom is derived from

A

horse antibody

100
Q

transmits malaria

A

anopheles mosquito

101
Q

transmits yellow and dengue fever

A

aedes mosquito

Andrews/Bolognia (2 decks)

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