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PARASITOLOGY > TEST 3 > Flashcards

TEST 3 Flashcards

1
Q

what organism causes pain, diarrhea, appetite loss, obstruction intestine, nervous, eosinophil increase 10%

A

taenia saginata

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2
Q

how does taenia saginata go throughout the body

A

systemic circulation

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3
Q

how long does it take for taenia saginata to become an adult

A

8 to 10 weeks

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4
Q

what is the intermediate host of taenia saginata

A

beef

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5
Q

what kind of eggs does taenia saginata have

A

oncosphere/hexacanth with thick mmb, straited

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6
Q

what kind of fertilization do most cestodes do

A

cross fertilization

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7
Q

what part of the intestine is taenia saginata found

A

jejunum

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8
Q

what shape is the scolex of taenia saginata

A

cupshape

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9
Q

how many eggs does taenia saginata lay a day

A

100000

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10
Q

what kind of uterus /gravid does taenia saginata have

A

15-30

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11
Q

how many segments is taenia saginata

A

1000

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12
Q

how long are taenia saginata

A

4-8 m

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13
Q

aka taenia saginata

A

beef tapeworms

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14
Q

what organism causes these symptoms: abdominal pain, diarrhea, weight loss, maldigestion, and nervous problems

A

dipylidium caninum

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15
Q

how many organism does each scolex produce (dipylidium caninum)

A

1

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16
Q

what kind of larvae develop in the intestine (dipylidium caninum)

A

cysticercoid

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17
Q

true or false: dipylidium caninum eggs clump together in 5 or more

A

true

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18
Q

what kind of eggs does dipylidium caninum have

A

hexacanth

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19
Q

what kind of opening does dipylidium caninum have

A

bilateral opening

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20
Q

describe the segments of dipylidium caninum

A

length of segment is longer

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21
Q

what part of the intestine does dipylidium caninum infect

A

jejunum

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22
Q

what kind of scolex does dipylidium caninum have

A

rostellium

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23
Q

how many suckers does dipylidium caninum have

A

4

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24
Q

what does dipylidium caninum infect

A

cats and dogs

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25
Q

how is dipylidium caninum transferred to dogs

A

fleas

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26
Q

how many segments does dipylidium caninum have

A

75 to 175

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27
Q

how long is dipylidium caninum

A

25 - 70 cm

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28
Q

aka dipylidium caninum

A

dog tapeworm

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29
Q

what kind of egg does Hymenolepis diminuta

A

hexacanth with no polar thickening

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30
Q

what kind of suckers does Hymenolepis diminuta have

A

4 cup shape, no hooks

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31
Q

what is intermediate host of Hymenolepis diminuta in humans

A

none

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32
Q

what is the intermediate host of Hymenolepis diminuta in rats and mice

A

flea

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33
Q

what part of the intestine does Hymenolepis diminuta attack

A

ilium

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34
Q

how many segments is Hymenolepis diminuta

A

400-500

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35
Q

how long is Hymenolepis diminuta

A

10-60 cm

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36
Q

what can be a carrier host of Hymenolepis nana

A

beetle

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37
Q

what causes abdominal pain, diarrhea, headache, weight loss, nervous system, eosinophil increase 10- 15%

A

hymenolepis nana

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38
Q

what part of Hymenolepis nana causes problems

A

hooks

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39
Q

how do people get Hymenolepis nana

A

contamination: hand, eating, water

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40
Q

what kind of infection does Hymenolepis nana do

A

autoinfection

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41
Q

what is the intermediate host Hymenolepis nana

A

none

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42
Q

how are the eggs of Hymenolepis nana released in the feces

A

gravid segment breaks off

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43
Q

what segment has eggs in Hymenolepis nana

A

gravid

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44
Q

what is the shape of Hymenolepis nana eggs

A

oncosphere

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45
Q

what kind of larvae does Hymenolepis nana have

A

cystecercoid larvae

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46
Q

how many ovaries does Hymenolepis nana have

A

2

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47
Q

how many testes does Hymenolepis nana have

A

3

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48
Q

describe the segment of Hymenolepis nana

A

longer and wider

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49
Q

what part of the intestine is Hymenolepis nana found

A

jejunum and ilium

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50
Q

what is the shape of the rostellum of Hymenolepis nana

A

crown shape

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51
Q

what kind of body does Hymenolepis nana have

A

slender

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52
Q

how many segments is Hymenolepis nana

A

200 segments

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53
Q

how long is Hymenolepis nana

A

20 mm

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54
Q

aka Hymenolepis nana

A

dwarf tapeworm

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55
Q

how is diphyllobothrium latum diagnosed

A

look at opperculated egg and the knob at the end

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56
Q

what organism causes abdominal pain, digestive disorder, malnutrition, weight loss, loss of apetite, anemia, nervous problems, block intestine

A

diphyllobothrium latum

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57
Q

who causes the most anemia diphyllobothrium latum, taenia saginata, or sodium

A

diphyllobothrium latum

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58
Q

how does diphyllobothrium latum cause anemia

A

takes B12

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59
Q

how long does it take for diphyllobothrium latum to become an adult

A

1 mo

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60
Q

how many eggs does diphyllobothrium latum lay per day

A

1000000

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61
Q

what stage of the diphyllobothrium latum egg is infective

A

pleurocercoid

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62
Q

(diphyllobothrium latum eggs): coracidium –> copepod/cyclops –> procercoid –> ___ –> pleurocercoid

A

fish

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63
Q

what is the 1st intermediate host of diphyllobothrium latum

A

copepod/ cyclops

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64
Q

what kind of eggs are diphyllobothrium latum

A

hexacanth

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65
Q

what kind of larvae is in the eggs of diphyllobothrium latum

A

solid type

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66
Q

true or false: diphyllobothrium latum eggs are not opercullated

A

false

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67
Q

how do all cestodes attach to the intestines

A

suckers

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68
Q

what part of the intestine is diphyllobothrium latum found

A

ileum (last part of small intestine)

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69
Q

what kind of scolex does diphyllobothrium latum

A

bothria

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70
Q

what kind of genital pore does diphyllobothrium latum have

A

central

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71
Q

how many segments does diphyllobothrium latum have

A

3000-4000 segments

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72
Q

how long is diphyllobothrium latum

A

4- 10 m

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73
Q

aka diphyllobothrium latum

A

broad/Fish tapeworm

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74
Q

aka taenia solium

A

pork tapeworm

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75
Q

who is bigger taenia solium or taenia saginata

A

t saginata

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76
Q

how long is taenia solium

A

2-4 m

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77
Q

how many segments does taenia solium have

A

500-1000

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78
Q

how many branched /gravid segments does taenia solium have

A

5-15

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79
Q

what kind of scolex does taenia solium have

A

rostellum

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80
Q

how many eggs does taenia solium lay per day

A

500-1000

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81
Q

what part of the intestine do you find taenia solium

A

jejunum

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82
Q

what is the motorium

A

nervous system

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83
Q

describe the segments of taenia solium

A

wider

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84
Q

how do the eggs of. taenia solium circulate in the pigs

A

systemic circulation

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85
Q

what is the cyst called of taenia solium

A

cysticercus cellulosa

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86
Q

true or false: taenia solium cysticercus cellulosa has hooks

A

true

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87
Q

what is the 1st larval stage of taenia solium in humans

A

cysticercus cellulosa

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88
Q

what organism causes severe abdominal pain, diarrhea, bleeding, maldigestion, nervous system, number of eo increase 30%

A

taenia solium

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89
Q

what animals have taenia pisiformis

A

dogs and cats

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90
Q

how long is taenia pisiformis

A

50 cm

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91
Q

what kind of scolex does taenia pisiformis have

A

rostellium type

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92
Q

taenia pisiformis has 2 rows of ____

A

hooks

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93
Q

what kind of openings does taenia pisiformis have

A

alternate

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94
Q

what is the intermediate host of taenia pisiformis

A

rabbit

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95
Q

where do you find the eggs of taenia pisiformis in rabbits

A

liver

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96
Q

what is the larvae called of taenia pisiformis

A

cysticercus

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97
Q

what are the 2 categories of cestodes

A

intestinal and extra intestinal

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98
Q

where do you find adult organisms of intestinal cestodes

A

intestines

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99
Q

where do you find the larvae of intestinal cestodes

A

other animals

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100
Q

where do you find adult organisms of extra intestinal cestodes

A

not found in humans

101
Q

where do you find the larvae of intestinal cestodes

A

humans

102
Q

how do you get rid of extra intestinal cestodes

A

Surgery

103
Q

aka echinococcus granulosus

A

dog tapeworm

104
Q

how long is echinococcus granulosus

A

2-3 mm

105
Q

what kind of scolex does echinococcus granulosus have

A

rostellum

106
Q

where do you find echinococcus granulosus in dogs

A

small intestine

107
Q

what kind of cestode is echinococcus granulosus

A

extra intestinal

108
Q

what kind of cyst is echinococcus granulosus have

A

hydrated cyst or echinococcus cyst

109
Q

what is the intermediate host of echinococcus granulosus

A

sheep

110
Q

what is the most common type of cyst

A

unilocular

111
Q

what kind of tissue do you find unilocular cyst

A

soft tissue

112
Q

where do u find osteocyst

A

cartilage

bone

113
Q

true or false: osteocyst can not grow if it breaks off

A

true

114
Q

where do you find alveolar cyst

A

alveoli of the lungs

115
Q

what kind of cyst does echinococcus multicularis have

A

alveolar cyst

116
Q

what kind of cyst is alveolar cyst

A

hydrated cyst

117
Q

what prevent alveolar cyst from going to different parts of the body

A

b/c they are full of jelly

118
Q

where do you find taenia solium in humans

A

small intestines

119
Q

what kind of cestode is taenia solium

A

extra intestinal

120
Q

how do people get taenia solium larvae

A

ingest egg from another person

121
Q

what does the larvae of taenia solium cause in humans

A

cysticercus cellulose

122
Q

what kind of infection does taenia solium cause

A

intestinal autoinfection

123
Q

what serology test are ran for taenia solium

A

CFT
casoni test
hemagglutination

124
Q

what kind of larvae spargana disease have

A

procercoid and pleuocercoid

125
Q

what does spargana disease cause

A

sparganosis

126
Q

what organism causes spargana disease

A

spirometry mansonoides

127
Q

what animals would you find adult spirometry mansonoides

A

cats and dogs

128
Q

what is the intermediate host of spirometry mansonoides

A

cyclops

129
Q

what host is the procercoid of spirometry mansonoides produced

A

cyclops

130
Q

what host is the pleurocercoid produced

A

snake/frog

131
Q

what organism causes pain, fever, edema, chills, and EO increase

A

spirometry mansonoides

132
Q

what animals has the larvae of coenurus

A

sheep

human

133
Q

where does coenurus cerebralis occur

A

brain

134
Q

what is the adult larvae called in coenurus

A

multiceps multiceps

135
Q

what host has multiceps multiceps

A

dogs

136
Q

where do u find multiceps multiceps in dogs

A

intestines

137
Q

how many rows of hooks does multiceps multiceps have

A

2

138
Q

how many suckers does multiceps multiceps have

A

4

139
Q

what is the shape of multiceps multiceps eggs

A

hexacanth

140
Q

true or false: the eggs of multiceps multiceps produces multiple cyst

A

true

141
Q

aka aschelminthes

A

roundworm

142
Q

what class only belongs to Nematoda

A

aschelminthes

143
Q

how long is strongyloides stercolaris

A

2-3 mm

144
Q

how long is dracunculus medinensis

A

10 m

145
Q

describe the males in class aschelminthes

A

small

thin

146
Q

describe the females in class aschelminthes

A

large

thick

147
Q

what are the 3 layers of class aschelminthes

A

cuticle
subuticular
body cavity

148
Q

what kind of body cavity is none

A

acoelomate

149
Q

what kind of body cavity is surrounded by mesodermal tissue

A

eucoelomate

150
Q

what kind of body cavity is not completely surrounded by mesoderm, only skin

A

pseudocoelomate

151
Q

true or false: class aschelminthes has a curculatory system or respiratory system

A

false

152
Q

is class aschelminthes mono do dioecious

A

dioecious

153
Q

what is the nephridial system in class aschelminthes composed of

A

2 nephridial tubes

154
Q

where do the nephridial tubes attach and open in class aschelminthes

A

nephridial pore

155
Q

where does nephridial pore open in class aschelminthes

A

esophagus

156
Q

what is the nervous system composed of in class aschelminthes

A

1 nerve ganglia

157
Q

what does the nerve ganglia surround in class aschelminthes

A

esophagus

158
Q

where are the eggs found in class aschelminthes

A

uterus

159
Q

true or false: the majority of class aschelminthes does not have an intermediate host

A

true

160
Q

how big is class aschelminthes

A

45-50 microurons

161
Q

where are the adults found for intestinal nematodes

A

intestine

162
Q

true or false: intestinal nematodes do not need an intermidate host

A

T

163
Q

what shape is accuis lumbricoides

A

rounded

164
Q

aka accuis lumbricoides

A

common roundworm

165
Q

where do you find accuis lumbricoides in the world

A

all over

166
Q

what color is accuis lumbricoides

A

yellowish creamy color

167
Q

what attaches to the esophagus in accuis lumbricoides

A

3 lips

168
Q

where do you find accuis lumbricoides in the body

A

small intestine

sometimes in body cavity

169
Q

what kind of eggs does accuis lumbricoides have

A

fertilized

non-fertilized

170
Q

what kind of egg has sperm inside ovum

A

fertilized

171
Q

what kind of egg can be dangerous

A

fertilized

172
Q

what shape are fertilized eggs

A

round

173
Q

why are non fertilized eggs not dangerous

A

there is no sperm

174
Q

what shape are non fertilized eggs

A

oval

175
Q

what do corticated/decorated eggs use for protection

A

albumin

176
Q

what does the cytoplast produce once sperm gets inside the egg

A

fertilization mmb

177
Q

function of the fertilization mmb

A

doesn’t let another sperm inside the egg

178
Q

why do fertilized egg have a rounded shape

A

Fertilization mmb

179
Q

how do people get accuis lumbricoides eggs

A

Contaminated vegetables

180
Q

aka enterobius vermicularis

A

pin worms
seat worms
bed worms

181
Q

where is enterobius vermicularis found in the body

A

anus (night time)

cecum

182
Q

how do people get enterobius vermicularis

A

ingestion of eggs

183
Q

how does enterobius vermicularis release eggs

A

contraction of uterus

184
Q

what shape are enterobius vermicularis eggs

A

half rounded

half flat

185
Q

what causes these symptoms poor appetite, weight loss, abdominal pain, vomiting, nervous problems

A

enterobius vermicularis

186
Q

who are most likely to get enterobius vermicularis

A

children

187
Q

how to diagnose enterobius vermicularis

A

look at eggs in feces 1st morning

graham tape is used

188
Q

aka trichuris trichiura

A

whip worm

189
Q

where does trichuris trichiura get food

A

lysed tissue

190
Q

what kind of genital system does trichuris trichiura have

A

tubular structures

191
Q

where do you find trichuris trichiura in the body

A

small intestine

192
Q

what does trichuris trichiura non developed embryo look like

A

lemon shaped

193
Q

how do people get trichuris trichiura

A

direct contamination

194
Q

where in the body do trichuris trichiura cause problems

A

cecum

appendix

195
Q

what is the worst nematode

A

trichuris trichiura

196
Q

what organism causes these symptoms diarrhea, weight loss, headache, abdominal pain, anemia, fever, EO increase

A

trichuris trichiura

197
Q

how do you diagnose trichuris trichiura

A

find eggs in feces

198
Q

aka trichostrongylus stercoralis

A

thread worm

199
Q

what is the smallest nematode

A

trichostrongylus stercoralis

200
Q

what kind of diarrhea does trichostrongylus stercoralis cause

A

cochin china diarrhea

201
Q

what are the 2 adult phases of trichostrongylus stercoralis

A

free living

parasitic

202
Q

what adult phase of trichostrongylus stercoralis is found outside

A

free living

203
Q

what adult phase of trichostrongylus stercoralis is inside the intestines

A

parasitic

204
Q

what adult phase of trichostrongylus stercoralis is longer

A

parasitic

205
Q

where is the adult phase of trichostrongylus stercoralis found in the body

A

jejunum

206
Q

what is the larvae called for trichostrongylus stercoralis

A

rhabditiform larvae

207
Q

what are the 3 diff life cycles of trichostrongylus stercoralis

A

direct
indirect
autoinfection

208
Q

which life cycle of trichostrongylus stercoralis is: outside in the feces as rhabditiform –> filariform larvae in soil –> penetrate skin –> blood stream –> systemic circulation –> SI –> adult

A

direct

209
Q

which life cycle of trichostrongylus stercoralis is: rhabditiform larvae –> adult is outside they mate outside –> egg is formed –> rhabditiform develops –> filariform larvae –> penetrate skin –> systemic circulation –> adult in SI

A

indirect

210
Q

what adult phase of trichostrongylus stercoralis is in the indirect life cycle

A

free living

211
Q

which life cycle of trichostrongylus stercoralis is: rhabditiform larvae stays in body –> filariform larvae –> systemic circulation

A

autoinfection

212
Q

where in the world is the auto infection life cycle of trichostrongylus stercoralis found

A

tropical area in US

213
Q

what organism causes trichinellosis

A

trichinella spiralis

214
Q

what animals do you find trichinella spiralis

A

dogs
pigs
humans
cats

215
Q

is trichinella spiralis a small or big organism

A

small

216
Q

do the adult or larvae of trichinella spiralis cause problems in humans

A

both

217
Q

what part of the small intestine do you find trichinella spiralis

A

jejunum

duodenum

218
Q

true or false: trichinella spiralis can be found in the feces

A

F

219
Q

where does trichinella spiralis become male and female

A

intestine

220
Q

how do people get trichinella spiralis larvae

A

eating pig muscle

221
Q

what type of trichinella spiralis lays eggs

A

ovoparous

222
Q

what type of trichinella spiralis eggs develops in the uterus

A

viviparous

223
Q

what factors control the severity of trichinella spiralis

A

age
# of larvae
resistance
# of worms

224
Q

what larvae causes calcification

A

trichinella spiralis

225
Q

aka hookworms

A

blood suckers

226
Q

what was the first hookworm found

A

A. duodenale

227
Q

what sex is bigger in hookworms

A

Females

228
Q

what is the cavity called in hookworms that have sharp plates and teeth

A

buccal cavity

229
Q

where is necator americanos vulva

A

anterior side

230
Q

is the females of necator americanos posterior side soft or hard

A

soft

231
Q

what is in the buccal cavity of necator americanos

A

2 ventral pairs 2 dorsal pairs of sharp plates

232
Q

how many pairs of ventral teeth does ancylostoma braziliense have

A

2

233
Q

where is the vulva of ancylostoma duodenal

A

posterior side

234
Q

where is the spine of females ancylostoma duodenal

A

posterior side

235
Q

how many pairs of ventral teeth do ancylostoma duodenal have

A

2

236
Q

how many pairs of teeth does ancylostoma caninum have

A

3

237
Q

where is N. americanus and A. duodenale found

A

small intestine

238
Q

where does N. americanus and A. duodenale release eggs

A

feces

239
Q

how many cell develop (N. americanus and A. duodenale)

A

4 to 8

240
Q

do N. americanus and A. duodenale have a thin or thick membrane

A

thin

241
Q

what shape are N. americanus and A. duodenale

A

oval

242
Q

what kind of larvae of N. americanus and A. duodenale develop outside before going to humans

A

rhabditiform larvae

243
Q

what kind of larvae of N. americanus and A. duodenale penetrate the skin of people

A

filariform

244
Q

how are N. americanus and A. duodenale able to suck blood in small intestine

A

produce anticoagulant

245
Q

what is finial host of N. americanus and A. duodenale

A

humans

246
Q

how do people get a. braziliense and A. caninum

A

ingestion of filariform larvae

247
Q

what kind of tissue do you find a. braziliense and A. caninum

A

subcutaneous

248
Q

what is it called when a. braziliense and A. caninum cut through the skin

A

creeping eruption

PARASITOLOGY (3 decks)

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