Parasitology exam 4 Flashcards

1
Q

Oxyuris equi common name

A

horse pinworm

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2
Q

Oxyuris equi host

A

horse

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3
Q

do dogs and cat carry pinworm?

A

no, only rats and horses

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4
Q

Oxyuris equi intermediate host?

A

none

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5
Q

Oxyuris equi ova

A

single operculated, larvated, flattened on one side, in horse to help ID

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6
Q

Oxyuris equi sex

A

dioecious

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7
Q

Oxyuris equi reproduction

A

oviparious

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8
Q

Oxyuris equi direct or indirect life cycle

A

direct

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9
Q

Oxyuris equi life cycle

A

Ova deposited by anus with gelatinous substance, makes butt itchy, horse will rub

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10
Q

Oxyuris equi infective stage

A

L3

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11
Q

Oxyuris equi site of infestation

A

cecum, large intestines, rectum

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12
Q

Oxyuris equi pathogenesis

A

intestinal, extreme pruritus, rat tail (pathognomonic sign) from tail rubbing, secondary infection

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13
Q

Oxyuris equi diagnosis

A

rat tail, scotch tape prep, adults in feces

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14
Q

Oxyuris equi treatment

A

fenbendazole, ivermectin, moxidectin

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15
Q

Oxyuris equi patient file

A

Oxyuris equi

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16
Q

Oxyuris equi owner

A

horse pinworm

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17
Q

Physaloptera rara host

A

dogs and cats

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18
Q

Physaloptera rara intermediate host

A

dung beetle, cockroaches, crickets

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19
Q

Physaloptera rara paratenic hosts

A

frogs, snails, mice

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20
Q

Physaloptera rara geographic distribution

A

north and south america

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21
Q

Physaloptera rara reproduction

A

oviparous

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22
Q

Physaloptera rara sex

A

dioecious

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23
Q

Physaloptera rara direct or indirect life cycle

A

indirect

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24
Q

Physaloptera rara life cycle

A

egg in poop, intermediate host eat ova, hatches paratenic eats intermediate host, final host eats intermediate

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25
Q

Physaloptera rara site of infestation

A

stomach, anterior duodenum

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26
Q

Physaloptera rara pathogenesis(6)

A

ulcerations, hemorrhage, hematemesis, melena, blood in saliva, ptylism

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27
Q

Physaloptera rara diagnosis(3)

A

larvated ova in feces, adults in vomit, endoscopy

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28
Q

Physaloptera rara TX

A

Fenbendazole, Ivermectin, Pyrantel pamoate

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29
Q

Physaloptera rara pt file

A

Physaloptera rara

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30
Q

Physaloptera rara owner

A

stomach worm

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31
Q

Physaloptera rara stool

A

may be normal, may need to do fecal

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32
Q

Spirocerca lupi host

A

dogs and cats

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33
Q

Spirocerca lupi intermediate hosts

A

dung beetle

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34
Q

Spirocerca lupi paratenic host(4)

A

lizards, chickens, mice, rabbits

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35
Q

Spirocerca lupi geographic distribution

A

tropics, gulf coast

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36
Q

Spirocerca lupi life cycle

A

ingest dung beetle or paratenic host

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37
Q

Spirocerca lupi site of infestation

A

esophagus, anterior stomach

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38
Q

Spirocerca lupi pathogenesis(6)

A

nodules, obstruction, hemorrhage, dysphagia, hemoptysis, tumor

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39
Q

Spirocerca lupi dx (5)

A

ova in feces/vomit, radiograph, endoscopy of tumor, necropsy, ova heavy sedimentation technique

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40
Q

Spirocerca lupi tx

A

Disophenol, fenbendazole, doramectin, ivermectin

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41
Q

Spirocerca lupi reproduction

A

oviparous

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42
Q

Spirocerca lupi sex

A

dioecious

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43
Q

Spirocerca lupi direct or indirect life cycle

A

indirect

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44
Q

Spirocera lupi patient file

A

Spirocerca lupi

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45
Q

Spirocerca lupi owner

A

esophageal worm

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46
Q

Habronema spp host

A

equine

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47
Q

Habronema spp. intermediate host

A

horse/stable fly

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48
Q

Habronema spp. life cycle

A

eggs in feces, eggs hatch L1, fly larva eat L1, fly has L3

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49
Q

Habronema spp. route of infestation

A

ingest infected fly or fly lay L3 on lips, eyes, wound

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50
Q

Habronema spp site of infestation

A

adults: stomach, larva: wounds and wet skin

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51
Q

Habronema spp pathogenesis adults

A

granulomas, gastritis, usually non-pathogenic

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52
Q

Habronema spp pathogenesis larva

A

summer sores, Habronemiasis, dormant in winter, return in warm weather

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53
Q

Habronema spp DX

A

larvated ova in feces, clinical signs, biopsy

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54
Q

Habronema spp TX

A

intestinal: Moxidectin, Ivermectin, Cutanous:Ivermectin, Cryosurgery, surgical removal

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55
Q

Habronema spp pt file

A

Habronema spp

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56
Q

Habronema spp owner

A

roundworm

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57
Q

Habronema spp reproduction

A

oviparous

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58
Q

Habronema spp sex

A

dioecious

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59
Q

Habronemai spp direct or indirect life cycle

A

indirect

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60
Q

Draschia megastoma host

A

equine

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61
Q

Draschia megastoma intermediate host

A

horse/stable fly

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62
Q

Draschia megastoma life cycle

A

ova in feces, fly larva ingests L1, adult fly has L3

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63
Q

Draschia megastoma route of infestation

A

ingest fly, fly deposit larva by lips, eyes, wounds

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64
Q

Draschia megastoma site of infestation

A

stomach

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65
Q

Draschia megastoma pathogenesis adult

A

granuloma, gastritis, generally non-pathogenic

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66
Q

Draschia megastoma pathogenesis larva

A

ectopic larva, more damage than Habronema, summer sores, Habronemiasis

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67
Q

Draschia megastoma DX

A

larvated ova in feces, clinical signs

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68
Q

Draschia megastoma tx

A

adults:ivermectin, larva: ivermectin, cryosurgery, surgery removal

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69
Q

Draschia megastoma pt file

A

Draschia megastoma

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70
Q

Draschia megastoma owner

A

roundworm

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71
Q

Draschia megastoma reproduction

A

oviparous

72
Q

Draschia megastoma sex

A

dioecious

73
Q

Draschia megastoma direct or indirect life cycle

A

indirect

74
Q

Dioctophyma renale host

A

canids, cats, pigs, horses, weasles, mink, occasionally cattle

75
Q

Dioctophyma renale intermediate host

A

annelid worm

76
Q

Dioctophyma renale paratenic host

A

frog, fish, crayfish

77
Q

Only round worm that produces tumor

A

Spirocerca lupi

78
Q

Dioctophyma renale geographic distribution

A

Northern north america, Europe, South America

79
Q

Largest of all the parasites

A

Dioctophyma renale

80
Q

Dioctophyma renale ova morphology

A

double opercolated, outer ropey, barrel shaped, yellowish brown

81
Q

Dioctophyma renale reproduction

A

oviparous

82
Q

Dioctophyma renale sex

A

dioecious

83
Q

Dioctophyma renale direct or indirect life cycle

A

indirect

84
Q

Dioctophyma renale sites of infestation

A

kidney, commonly right kidney, ectopic is peritoneal cavity

85
Q

Dioctophyma renale pathogenesis(7)

A

calcification of kidney, renal destruction, peritonitis, hypertrophy of other kidney, hematuria, PU/PD, Uremia

86
Q

Dioctophyma renale DX

A

ova in urine, radiology

87
Q

Dioctophyma renale TX

A

Surgical removal or kidney or parasite

88
Q

Dioctophyma renale PHS

A

Zoonotic from eating undercooked crayfish/fish (paratenic host)

89
Q

Dioctophyma renale pt file

A

Dioctophyma reanle

90
Q

Dioctophyma renale owner

A

kidney worm

91
Q

Pearsonema (capillaria) spp common name

A

bladder worm

92
Q

Pearsonema spp host

A

plica:dog, felis cati:cat

93
Q

Pearsonema spp intermediate host

A

earthworm

94
Q

Pearsonema spp geographic distribution

A

north america, europe, russia

95
Q

Pearsonema spp reproduction

A

oviparous

96
Q

Pearsonema spp sex

A

dioecious

97
Q

Pearsonema spp indirect or direct life cycle

A

indirect

98
Q

Pearsonema spp ova morphology

A

double operculated, flattened protruding plugs

99
Q

Pearsonema spp life cycle

A

ova in urine, ingested by EW, goes to L3, final host ingests EW, larva penetrates GI and migrates to bladder

100
Q

Pearsonema spp site of infestation

A

Urinary bladder

101
Q

Pearsonema spp pathogenesis(4)

A

often harmless, cystitis, hematuria, dysuria

102
Q

Pearsonema spp DX

A

ova in urine

103
Q

Pearsonema spp TX

A

Fenbendazole, Ivermectin, Levamectin

104
Q

Pearsonema spp pt file

A

Pearsonema spp

105
Q

Pearsonema spp owner

A

bladder worm

106
Q

Trichuris vulpis host

A

dog

107
Q

Trichuris ovis host

A

ruminants

108
Q

Trichuris suis host

A

pigs

109
Q

Trichuris spp common name

A

whip worm

110
Q

Trichuris spp geographic distribution

A

S. US., puerto rice, south america

111
Q

Trichuris spp ova morphology

A

double opercolated, thick brownish shell, lemon shaped

112
Q

Trichuris spp reproduction

A

oviparous

113
Q

Trichuris spp sex

A

dioecious

114
Q

Trichuris spp direct or indirect life cycle

A

direct

115
Q

Trichuris spp direct or indirect life cycle

A

direct

116
Q

Trichuris spp life cycle

A

direct ingestions of L3, mucosal migration to epithelium then to lumen

117
Q

Trichuris spp site of infestation

A

small intestines, large intestines, cecum

118
Q

Trichuris vulpis pathogenesis

A

parasitic colitis, mucoid hematochezia, anorexia, vomiting

119
Q

Trichuris ovis pathogenesis

A

effects very young, bloody scours

120
Q

Trichuris swine

A

mucosal necrosis and hemorrhage

121
Q

Trichuris spp pt file

A

trichuris spp

122
Q

trichuris spp owner

A

whip worm

123
Q

Aelurostrongylus abstrusus common name

A

cat lungworm

124
Q

Aerlurostrongylus abstrusus host

A

cat

125
Q

Aelurostrongylus abstrusus intermediate host

A

snails, slugs

126
Q

Aelurostrongylus abstrusus paratenic host

A

rodents, frogs, lizards, birds

127
Q

Aelurostrongylus abstrusus reproduction

A

ovoviviparous

128
Q

Aelurostrongylus abstrusus life cycle

A

lay egg, larva coughed.swallowed, feces, snail ingests, paratenic, cat

129
Q

Aelurostrongylus abstrusus sites of infestation

A

lungs, bronchioles

130
Q

Aelurostrongylus abstrusus pathogenesis

A

often non pathogenic, with heavy infestation see dyspnea and anorexia

131
Q

Aelurostrongylus abstrusus dx (3)

A

larva in feces/sputum, baerman’s apparatus, radiograph

132
Q

Aelurostrongylus abstrusus TX

A

fenbendazole, ivermectin,

133
Q

Aelurostrongylus abstrusus pt file

A

lungworm

134
Q

Aelurostrongylys abstrusus owner

A

lungworm

135
Q

Dictyocaulus spp hosts

A

viviparous:cattle, arnfieldi:equine, filaria:sheep,goats

136
Q

Dictyocaulus spp direct or indirect life cycle

A

direct

137
Q

Dictyocaulus spp reproduction

A

ovoviviparous

138
Q

Dictyocaulus spp life cycle

A

adult, eggs cough/swallow, eggs hatch in intestines, poop, L3 in environment, cattle ingest

139
Q

Dictyocaulus sites of infestation

A

bronchioles, lungs

140
Q

Dictyocaulus spp routes of infestation

A

L3 ingested, migrate to lymph vessel, molts to L4, enter circulatory system to lungs

141
Q

Dictyocaulus spp pathogenesis

A

respiratory signs

142
Q

Dictyocaulus spp DX

A

larva/ova in feces, in nasal discharge (cattle), ELISA

143
Q

Dictyocaulus TX

A

Fenbendazole, Ivermectin, Moxidecten, Albendazole

144
Q

Metastrongylus apri common name

A

swine lungworm

145
Q

Metastrongylus apri hosts

A

pigs, wild boar

146
Q

Metastrongylus apri intermediate host

A

earthworm

147
Q

Metastrongylus apri reproduction

A

oviparous

148
Q

Metastrongylus apri life cycle

A

EW ingested, larva migrate to tissue of choice, lymph, lungs, coughed/swallowed, pooped

149
Q

Metastrongylus apri site of infestation

A

lungs bronchioles bronchi

150
Q

Metastrongylus apri pathogenesis (5)

A

emphysema, couching, unthriftiness, stunted growth, dyspnea

151
Q

Metastrongylus apri DX

A

ova in feces, necropsy in lungs

152
Q

Metastrongylus apri TX

A

Fenbendazole, ivermectin, levamisole

153
Q

Eucoleus aerophilia host

A

cats, dogs, foxes

154
Q

Eucoleus aerophilia reproduction

A

oviparous

155
Q

Eucoleus aerophilia direct or indirect life cycle

A

direct

156
Q

Eucoleus aerophilia sites of infestation

A

bronchi, trachea, lungs

157
Q

Eucoleus aerophilia pathogenesis

A

respiratory signs in young and heave infested animals

158
Q

Eucoleus aerophilia DX

A

ova in feces or tracheal mucus

159
Q

Eucoleus aerophilia TX

A

Fenbendazole, ivermectin

160
Q

Most common small strongyle

A

Strongyloides westri

161
Q

Small strongyle common name

A

intestinal threadworm

162
Q

Small strongyle life cycle direct or indirect

A

direct

163
Q

Small strongyle ova

A

TASE

164
Q

Small strongyle site of infestation

A

cecum, right ventral colon

165
Q

Small strongyle pathogenesis(5)

A

larval cyathostominosis: mass emergence of encysted L4 larva, anorexia, colic, diarrhea, pyrexia

166
Q

Small strongyle DX

A

ova in feces

167
Q

Small strongyle TX

A

Ivermectin, Moxidectin

168
Q

Most common large strongyle

A

Stongyles vulgaris

169
Q

Large strongyle common name

A

equine blood worm

170
Q

Large strongyle host

A

horse

171
Q

Large strongyle direct or indirect life cycle

A

direct

172
Q

Large strongyle ova

A

TASE

173
Q

Parasite with facultative life cycle

A

large strongyle

174
Q

large strongyle site of infestation

A

adults:cecum, larva:mesentery

175
Q

large strongyle site of infestation (5)

A

anemia, thrombombolic colic in anterior mesentery from larval migration, pyrexia, colic, weight loss

176
Q

large strongyle dx

A

ova in feces

177
Q

large strongyle TX

A

fenbendazole, ivermectin, thiabendazole