Parasitology exam 4 Flashcards
1
Q
Oxyuris equi common name
A
horse pinworm
2
Q
Oxyuris equi host
A
horse
3
Q
do dogs and cat carry pinworm?
A
no, only rats and horses
4
Q
Oxyuris equi intermediate host?
A
none
5
Q
Oxyuris equi ova
A
single operculated, larvated, flattened on one side, in horse to help ID
6
Q
Oxyuris equi sex
A
dioecious
7
Q
Oxyuris equi reproduction
A
oviparious
8
Q
Oxyuris equi direct or indirect life cycle
A
direct
9
Q
Oxyuris equi life cycle
A
Ova deposited by anus with gelatinous substance, makes butt itchy, horse will rub
10
Q
Oxyuris equi infective stage
A
L3
11
Q
Oxyuris equi site of infestation
A
cecum, large intestines, rectum
12
Q
Oxyuris equi pathogenesis
A
intestinal, extreme pruritus, rat tail (pathognomonic sign) from tail rubbing, secondary infection
13
Q
Oxyuris equi diagnosis
A
rat tail, scotch tape prep, adults in feces
14
Q
Oxyuris equi treatment
A
fenbendazole, ivermectin, moxidectin
15
Q
Oxyuris equi patient file
A
Oxyuris equi
16
Q
Oxyuris equi owner
A
horse pinworm
17
Q
Physaloptera rara host
A
dogs and cats
18
Q
Physaloptera rara intermediate host
A
dung beetle, cockroaches, crickets
19
Q
Physaloptera rara paratenic hosts
A
frogs, snails, mice
20
Q
Physaloptera rara geographic distribution
A
north and south america
21
Q
Physaloptera rara reproduction
A
oviparous
22
Q
Physaloptera rara sex
A
dioecious
23
Q
Physaloptera rara direct or indirect life cycle
A
indirect
24
Q
Physaloptera rara life cycle
A
egg in poop, intermediate host eat ova, hatches paratenic eats intermediate host, final host eats intermediate
25
Physaloptera rara site of infestation
stomach, anterior duodenum
26
Physaloptera rara pathogenesis(6)
ulcerations, hemorrhage, hematemesis, melena, blood in saliva, ptylism
27
Physaloptera rara diagnosis(3)
larvated ova in feces, adults in vomit, endoscopy
28
Physaloptera rara TX
Fenbendazole, Ivermectin, Pyrantel pamoate
29
Physaloptera rara pt file
Physaloptera rara
30
Physaloptera rara owner
stomach worm
31
Physaloptera rara stool
may be normal, may need to do fecal
32
Spirocerca lupi host
dogs and cats
33
Spirocerca lupi intermediate hosts
dung beetle
34
Spirocerca lupi paratenic host(4)
lizards, chickens, mice, rabbits
35
Spirocerca lupi geographic distribution
tropics, gulf coast
36
Spirocerca lupi life cycle
ingest dung beetle or paratenic host
37
Spirocerca lupi site of infestation
esophagus, anterior stomach
38
Spirocerca lupi pathogenesis(6)
nodules, obstruction, hemorrhage, dysphagia, hemoptysis, *tumor*
39
Spirocerca lupi dx (5)
ova in feces/vomit, radiograph, endoscopy of tumor, necropsy, ova heavy sedimentation technique
40
Spirocerca lupi tx
Disophenol, fenbendazole, doramectin, ivermectin
41
Spirocerca lupi reproduction
oviparous
42
Spirocerca lupi sex
dioecious
43
Spirocerca lupi direct or indirect life cycle
indirect
44
Spirocera lupi patient file
Spirocerca lupi
45
Spirocerca lupi owner
esophageal worm
46
Habronema spp host
equine
47
Habronema spp. intermediate host
horse/stable fly
48
Habronema spp. life cycle
eggs in feces, eggs hatch L1, fly larva eat L1, fly has L3
49
Habronema spp. route of infestation
ingest infected fly or fly lay L3 on lips, eyes, wound
50
Habronema spp site of infestation
adults: stomach, larva: wounds and wet skin
51
Habronema spp pathogenesis adults
granulomas, gastritis, usually non-pathogenic
52
Habronema spp pathogenesis larva
summer sores, Habronemiasis, dormant in winter, return in warm weather
53
Habronema spp DX
larvated ova in feces, clinical signs, biopsy
54
Habronema spp TX
intestinal: Moxidectin, Ivermectin, Cutanous:Ivermectin, Cryosurgery, surgical removal
55
Habronema spp pt file
Habronema spp
56
Habronema spp owner
roundworm
57
Habronema spp reproduction
oviparous
58
Habronema spp sex
dioecious
59
Habronemai spp direct or indirect life cycle
indirect
60
Draschia megastoma host
equine
61
Draschia megastoma intermediate host
horse/stable fly
62
Draschia megastoma life cycle
ova in feces, fly larva ingests L1, adult fly has L3
63
Draschia megastoma route of infestation
ingest fly, fly deposit larva by lips, eyes, wounds
64
Draschia megastoma site of infestation
stomach
65
Draschia megastoma pathogenesis adult
granuloma, gastritis, generally non-pathogenic
66
Draschia megastoma pathogenesis larva
ectopic larva, more damage than Habronema, summer sores, Habronemiasis
67
Draschia megastoma DX
larvated ova in feces, clinical signs
68
Draschia megastoma tx
adults:ivermectin, larva: ivermectin, cryosurgery, surgery removal
69
Draschia megastoma pt file
Draschia megastoma
70
Draschia megastoma owner
roundworm
71
Draschia megastoma reproduction
oviparous
72
Draschia megastoma sex
dioecious
73
Draschia megastoma direct or indirect life cycle
indirect
74
Dioctophyma renale host
canids, cats, pigs, horses, weasles, mink, occasionally cattle
75
Dioctophyma renale intermediate host
annelid worm
76
Dioctophyma renale paratenic host
frog, fish, crayfish
77
Only round worm that produces tumor
Spirocerca lupi
78
Dioctophyma renale geographic distribution
Northern north america, Europe, South America
79
Largest of all the parasites
Dioctophyma renale
80
Dioctophyma renale ova morphology
double opercolated, outer ropey, barrel shaped, yellowish brown
81
Dioctophyma renale reproduction
oviparous
82
Dioctophyma renale sex
dioecious
83
Dioctophyma renale direct or indirect life cycle
indirect
84
Dioctophyma renale sites of infestation
kidney, commonly right kidney, ectopic is peritoneal cavity
85
Dioctophyma renale pathogenesis(7)
calcification of kidney, renal destruction, peritonitis, hypertrophy of other kidney, hematuria, PU/PD, Uremia
86
Dioctophyma renale DX
ova in urine, radiology
87
Dioctophyma renale TX
Surgical removal or kidney or parasite
88
Dioctophyma renale PHS
Zoonotic from eating undercooked crayfish/fish (paratenic host)
89
Dioctophyma renale pt file
Dioctophyma reanle
90
Dioctophyma renale owner
kidney worm
91
Pearsonema (capillaria) spp common name
bladder worm
92
Pearsonema spp host
plica:dog, felis cati:cat
93
Pearsonema spp intermediate host
earthworm
94
Pearsonema spp geographic distribution
north america, europe, russia
95
Pearsonema spp reproduction
oviparous
96
Pearsonema spp sex
dioecious
97
Pearsonema spp indirect or direct life cycle
indirect
98
Pearsonema spp ova morphology
double operculated, flattened protruding plugs
99
Pearsonema spp life cycle
ova in urine, ingested by EW, goes to L3, final host ingests EW, larva penetrates GI and migrates to bladder
100
Pearsonema spp site of infestation
Urinary bladder
101
Pearsonema spp pathogenesis(4)
often harmless, cystitis, hematuria, dysuria
102
Pearsonema spp DX
ova in urine
103
Pearsonema spp TX
Fenbendazole, Ivermectin, Levamectin
104
Pearsonema spp pt file
Pearsonema spp
105
Pearsonema spp owner
bladder worm
106
Trichuris vulpis host
dog
107
Trichuris ovis host
ruminants
108
Trichuris suis host
pigs
109
Trichuris spp common name
whip worm
110
Trichuris spp geographic distribution
S. US., puerto rice, south america
111
Trichuris spp ova morphology
double opercolated, thick brownish shell, lemon shaped
112
Trichuris spp reproduction
oviparous
113
Trichuris spp sex
dioecious
114
Trichuris spp direct or indirect life cycle
direct
115
Trichuris spp direct or indirect life cycle
direct
116
Trichuris spp life cycle
direct ingestions of L3, mucosal migration to epithelium then to lumen
117
Trichuris spp site of infestation
small intestines, large intestines, cecum
118
Trichuris vulpis pathogenesis
parasitic colitis, mucoid hematochezia, anorexia, vomiting
119
Trichuris ovis pathogenesis
effects very young, bloody scours
120
Trichuris swine
mucosal necrosis and hemorrhage
121
Trichuris spp pt file
trichuris spp
122
trichuris spp owner
whip worm
123
Aelurostrongylus abstrusus common name
cat lungworm
124
Aerlurostrongylus abstrusus host
cat
125
Aelurostrongylus abstrusus intermediate host
snails, slugs
126
Aelurostrongylus abstrusus paratenic host
rodents, frogs, lizards, birds
127
Aelurostrongylus abstrusus reproduction
ovoviviparous
128
Aelurostrongylus abstrusus life cycle
lay egg, larva coughed.swallowed, feces, snail ingests, paratenic, cat
129
Aelurostrongylus abstrusus sites of infestation
lungs, bronchioles
130
Aelurostrongylus abstrusus pathogenesis
often non pathogenic, with heavy infestation see dyspnea and anorexia
131
Aelurostrongylus abstrusus dx (3)
larva in feces/sputum, baerman's apparatus, radiograph
132
Aelurostrongylus abstrusus TX
fenbendazole, ivermectin,
133
Aelurostrongylus abstrusus pt file
lungworm
134
Aelurostrongylys abstrusus owner
lungworm
135
Dictyocaulus spp hosts
viviparous:cattle, arnfieldi:equine, filaria:sheep,goats
136
Dictyocaulus spp direct or indirect life cycle
direct
137
Dictyocaulus spp reproduction
ovoviviparous
138
Dictyocaulus spp life cycle
adult, eggs cough/swallow, eggs hatch in intestines, poop, L3 in environment, cattle ingest
139
Dictyocaulus sites of infestation
bronchioles, lungs
140
Dictyocaulus spp routes of infestation
L3 ingested, migrate to lymph vessel, molts to L4, enter circulatory system to lungs
141
Dictyocaulus spp pathogenesis
respiratory signs
142
Dictyocaulus spp DX
larva/ova in feces, in nasal discharge (cattle), ELISA
143
Dictyocaulus TX
Fenbendazole, Ivermectin, Moxidecten, Albendazole
144
Metastrongylus apri common name
swine lungworm
145
Metastrongylus apri hosts
pigs, wild boar
146
Metastrongylus apri intermediate host
earthworm
147
Metastrongylus apri reproduction
oviparous
148
Metastrongylus apri life cycle
EW ingested, larva migrate to tissue of choice, lymph, lungs, coughed/swallowed, pooped
149
Metastrongylus apri site of infestation
lungs bronchioles bronchi
150
Metastrongylus apri pathogenesis (5)
emphysema, couching, unthriftiness, stunted growth, dyspnea
151
Metastrongylus apri DX
ova in feces, necropsy in lungs
152
Metastrongylus apri TX
Fenbendazole, ivermectin, levamisole
153
Eucoleus aerophilia host
cats, dogs, foxes
154
Eucoleus aerophilia reproduction
oviparous
155
Eucoleus aerophilia direct or indirect life cycle
direct
156
Eucoleus aerophilia sites of infestation
bronchi, trachea, lungs
157
Eucoleus aerophilia pathogenesis
respiratory signs in young and heave infested animals
158
Eucoleus aerophilia DX
ova in feces or tracheal mucus
159
Eucoleus aerophilia TX
Fenbendazole, ivermectin
160
Most common small strongyle
Strongyloides westri
161
Small strongyle common name
intestinal threadworm
162
Small strongyle life cycle direct or indirect
direct
163
Small strongyle ova
TASE
164
Small strongyle site of infestation
cecum, right ventral colon
165
Small strongyle pathogenesis(5)
larval cyathostominosis: mass emergence of encysted L4 larva, anorexia, colic, diarrhea, pyrexia
166
Small strongyle DX
ova in feces
167
Small strongyle TX
Ivermectin, Moxidectin
168
Most common large strongyle
Stongyles vulgaris
169
Large strongyle common name
equine blood worm
170
Large strongyle host
horse
171
Large strongyle direct or indirect life cycle
direct
172
Large strongyle ova
TASE
173
Parasite with facultative life cycle
large strongyle
174
large strongyle site of infestation
adults:cecum, larva:mesentery
175
large strongyle site of infestation (5)
anemia, thrombombolic colic in anterior mesentery from larval migration, pyrexia, colic, weight loss
176
large strongyle dx
ova in feces
177
large strongyle TX
fenbendazole, ivermectin, thiabendazole
