parasitic worms Flashcards
(144 cards)
1
Q
what are the cylindrical, non segmented worms called
A
round worms/nematodes
2
Q
what are the cylindrical, non segmented worms called
A
round worms
3
Q
what type of worms are separate sexes?
A
round worms
4
Q
what type of worms do not have hooks or suckers to attach to their hosts
A
round worms
5
Q
where are round worms found in their host
A
intestinal tract, blood, organs and tissues
6
Q
what are the flat body type worms
A
flat worms
7
Q
what are the hermaphroditic worms
A
flat worms
8
Q
what type of worms have hooks and suckers to attach to their host
A
flat worms
9
Q
where are flat worms found in their host
A
intestinal tract, blood, organs and tissues
10
Q
what is one of the reasons that billions of people have parasitic worms
A
the use of night soil, or human feces as fertilizer
11
Q
where do Ascares lumbricoides inhabit their host
A
the small intestines
12
Q
how long does Ascares lumbricoides grow
A
12-14 inches long
13
Q
where will the adult worm of the Ascares lumbricoides exit from their host
A
nose, mouth or anus
14
Q
what is the mode of transmission for the Ascares lumbricoides
A
human ingestion of the infective ova
15
Q
what is the infective stage of Ascares lumbricoides
A
ova/egg, its world wide and transmitted from the soil
16
Q
what is the host of the Ascares lumbricoides
A
the human
17
Q
how many people is thought to be infected with Ascares lumbricoides
A
800 million infected
18
Q
what is the area that the Enterobius vermicularis will inhabit
A
the large intestines
19
Q
where do Ascaris lumbricoides inhabit their host
A
the small intestines
20
Q
how long does Ascaris lumbricoides grow
A
12-14 inches long
21
Q
where will the adult worm of the Ascaris lumbricoides exit from their host
A
nose, mouth or anus
22
Q
what is the mode of transmission for the Ascaris lumbricoides
A
human ingestion of the infective ova
23
Q
what is the infective stage of Ascaris lumbricoides
A
ova/egg, its world wide and transmitted from the soil
24
Q
what is the host of the Ascaris lumbricoides
A
the human
25
how many people is thought to be infected with Ascaris lumbricoides
800 million infected
26
what is the area that the Enterobius vermicularis will inhabit
the large intestines
27
what is the mode of transmission of the Enterobius vermicularis
ingestion of the egg/ova
28
what is the most common US parasitic worm
the Enterobius vermicularis ( pinworm)
29
what is the infective stage of the Enterobius vermicularis
egg/ova
30
what is the definitive host for Enterobius vermicularis
human
31
what is the diagnostic test done for Enterobius vermicularis
scotch tape preparation
32
what is the name of the parasitic worms in which the female worm, crawls out of the large intestine, exits the anus and lays her eggs
Enterobius vermicularis
33
what is the length of the Enterobius vermicularis
1/4 inch long, thread like, very very small
34
where does the Trichuris trichiura inhibit on its host
the large intestine
35
what is the common name for Trichuris trichiura
the whipworm, it looks like a bull whip, curly end, white in color
36
what is the mode of transmission for Trichuris trichiura
ingestion of the developed ova/egg
37
what is the infective stage of the Trichuris trichiura
the egg
38
what is the host for Trichuris trichiura
human
39
what is the disease caused by Trichuris trichiura
whipworm, greater than 700 million people infected world wide, its a soil transmitted r/t the use of human feces ( night soil)
40
what is the infective stage of Necator americanus
larvae filariform
41
what is the mode of transmission of Necator americanus
filariform larvae in the soil, penetrates the skin
42
what is the host for Necator americanus
humans
43
what type of worm is Necator americanus
its a round worm
44
what type of worm is Ascaris lumbricoides
its a round worm
45
what is the reservoir host for Necator americanus
canines, felines, rabbits, sheep, cows and pigs
46
what is the disease from Necator americanus
hook worm, soil transmission ( larval stage) enters through the skin, goes to the lung, is coughed up, swallowed, and invades the small intestine. the adult worm feeds on blood, causing anemia and malnutrition
47
what type of worm is Anisakis simplex
a round worm
48
what is the mode of transmission for Anisakis simplex
eating uncooked infected fish (sushi)
49
what is the infective stage for Anisakis simplex
L3 larval stage
50
what is the definitive host for the Anisakis simplex
Definitive host is the marine mammal
51
what is the intermediate host for the Anisakis simplex
the intermediate host is humans, fish, squid
52
what the disease caused by Anisakis simplex
Anisakiasis, larval worm attaches to the stomach, esophagus and intestines
53
what type of worm is Trichinella spiralis
a round worm
54
what is the mode of transmission for Trichinella spiralis
eating pork with encysted larvae, also found in bear, boar and horse
55
what is the infective stage of Trichinella spiralis
encysted larvae
56
what is the definitive host of Trichinella spiralis
the definitive host is the human
57
what is the definitive host of Trichinella spiralis
the definitive host is the human, it invades the small intestine, muscle, heart and lungs
58
what is the intermediate host of Trichinella spiralis
the intermediate host is a pig
59
what is a characteristic of the Trichinella spiralis
it is spiral shaped, pink in color
60
what type of worms are separate sexes?
round worms/nematodes
61
what type of worms do not have hooks or suckers to attach to their hosts
round worms/nematodes
62
what type of worm is the Taenia solium
its a tapeworm/ cestode
63
what is the mode of transport of the Taenia solium
eating undercooked pork that has the cysticerci
64
what is the infective stage of the Taenia solium
cysticerci (encysted larvae)
65
what is the definitive host of the Taenia solium
the human
66
what is the intermediate host of the Taenia solium
the pig
67
what is the disease caused by Taenia solium
Taeniasis, the pork tapeworm, 50 million cases world wide, cysticercosis causes seizures
68
what type of worm is the Taenia saginata
it is a tapeworm/cestode
69
what is the mode of transportation for the Taenia saginata
eating undercooked beef with the cysticerci in it
70
what is the infective stage of the Taenia saginata
the cysticerci (encysted larvae)
71
what is the definitive host of the Taenia saginata
the human
72
what is the intermediate host of the Taenia saginata
the cattle
73
what is the disease caused by Taenia saginata
Taeniasis, intestinal infection, beef tapeworm, 50 million cases world wide
74
what is the reproductive structure of the Taenia saginata
the proglotids
75
what type of worm is the Diphyllobothrium latum
its a tapeworm/ cestode
76
what is the mode of transmission for the Diphyllobothrium latum
eating undercooked fish with the cysticerci
77
what is the infective stage of the Diphyllobothrium latum
the cysticerci
78
what is the definitive host of the Diphyllobothrium latum
the human
79
what is the intermediate host of the Diphyllobothrium latum
the fish
80
what is the disease caused by Diphyllobothrium latum
fish tapeworm, 20 million cases per year
81
how is the Diphyllobothrium latum transmitted
by the water flea, eaten by the fish, larvae develops in the fish, humans eat the fish
82
what type of worm is the Dracunculus medinensis
a round worm/ nematode
83
what is the mode of transport of the Dracunculus medinensis
drinking water with Cyclops(crustacean) or water flea
84
what is the infective stage of Dracunculus medinensis
the larvae
85
what is the vector of the Dracunculus medinensis
the Cyclops
86
what is the definitive host of the Dracunculus medinensis
the human
87
what is the intermediate host of the Dracunculus medinensis
the Cyclops
88
what is the disease caused by Dracunculus medinensis
Guinea worm, travels to the arms and feet, forms a blister, worm comes out
89
what type of worm is the Onchocerca volvulus
a nematode/roundworm
90
what is the mode of transport for the Onchocerca volvulus
the bite of a black fly
91
what is the infective stage of the Onchocerca volvulus
microfilariae, L3 larvae
92
what is the vector for the Onchocerca volvulus
black fly or buffalo gnat
93
what is the definitive host of the Onchocerca volvulus
the human
94
what is the intermediate host of the Onchocerca volvulus
the black fly
95
what is the disease caused by the Onchocerca volvulus
onchocerciasis or River Blindness
96
what type of worm is Wuchereria bancrofti
a nematode/round worm
97
what is the mode of transport for Wuchereria bancrofti
mosquito bite
98
what is the infective stage of the Wuchereria bancrofti
microfilariae/ L3 stage
99
what is the vector of the Wuchereria bancrofti
mosquito
100
what is the definitive host of the Wuchereria bancrofti
human
101
what is the intermediate host of the Wuchereria bancrofti
mosquito
102
what is the disease caused by the Wuchereria bancrofti
lymphatic filariasis/ elephantiasis
103
what type of worm is the Anisakis simplex
nematode/roundworm
104
what is the most of transmission of the Anisakis simplex
eating uncooked/ infected fish
105
what is the infective stage of the Anisakis simplex
L3 larvae stage
106
what is the definitive host for the Anisakis simplex
the marine mammal
107
what is the intermediate host for the Anisakis simplex
the human, fish, squid
108
what is the disease caused by the Anisakis simplex
it embeds in the esophagus, intestines, throat
109
what type of worm is Loa loa
it is a round worm/ nematode
110
what is the mode of transmission for Loa loa
mangofly/ chrysopfly
111
what is the infective stage of Loa loa
microfilariae or L3 larvae
112
what is the vector for Loa loa
mango fly
113
what is the definitive host for Loa loa
human
114
what is the intermediate host of Loa loa
mango fly
115
what is the disease caused by Loa loa
African eye worm
116
what type of worm is the Echinococcus granulosus
cestode/tapeworm
117
what is the mode of transmission for the Echinococcus granulosus
ingest egg/ ova
118
what is the host of the Echinococcus granulosus
the canine
119
what is the intermediate host of the Echinococcus granulosus
human, sheep, cattle
120
what is the disease caused by the Echinococcus granulosus
hydatid cysts disease, infects the liver or lungs, 2-3 millions cases a year
121
What type of worm is the clonorchis sinensis
It's a Trematoda/fluke
122
What is the mode of transmission for the clonorchis sinensis
Eating fish with the metacercaria
123
What is the infective stage for clonorchis sinensis
Metacercaria
124
Who is the definitive host in clonorchis sinensis
The human is the definitive host
125
Who is the intermediate host in clonorchis sinensis
Snail or fish is the intermediate host
126
What is the disease caused by clonorchis sinensis
Chinese liver fluke 600 million infected
127
what type of worm is Paragonimus westermani
it is a trematodes/ fluke
128
what is the mode of transmission for Paragonimus westermani
the mode of transmission for Paragonumus westermani is eating crabs with the metacercaria
129
what is the infective stage of the Paragonimus westermani
the metacercaria
130
what is the definitive host of the Paragonimus westermani
the definitive host for Paragonimus westermani is the human
131
who is the intermediate host for the Paragonimus westermani
the snail, crab is the intermediate host for the Paragonimus westermani
132
what is the disease caused by Paragonimus westermani
the lung fluke infection, 600 million infected
133
what type of worm is the fasciola hepatica
a trematode/fluke
134
what is the mode of transmission for fasciola hepatica
the mode of transmission for fasciola hepatica is eating vegetation with the metacercaria
135
what is the infective stage for the fasciola hepatica
the infective stage for the fasciola hepatica is the metacercaria
136
what is the definitive host for the fasciola hepatica
the definitive host is a human or a sheep
137
what is the intermediate host for the Fasciola hepatica
the intermediate host is the snail
138
what is the disease caused by fasciola hepatica
sheep liver fluke, 600 million infected
139
what type of worm is Schistosoma spp
the Schistosoma is a trematode/fluke
140
what is the mode of transmission for schistosoma spp
cercaria penetrate skin
141
what is the infective stage of the Schistosoma
the infective stage of the Schistosoma is the cercaria
142
what is the definitive host for the schistosoma spp.
the human is the definitive host for the Schistosoma spp.
143
what is the intermediate host for the Schistosoma spp
the fresh water snail
144
what is the disease caused by the Schistosoma spp
Schistosomisis blood fluke
