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Veterinary Entomology and Protozoology > Kinds of Parasites > Flashcards

Kinds of Parasites Flashcards

1
Q

Associated only with one species of host, or closely related hosts

A

Host/species specificity

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2
Q

Each parasite species has its predilection site or on the host

A

Organ specificity

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3
Q

Parasite that briefly visit their host to obtain nourishment but not dependent on them

A

Optional Occasional/Periodic Parasite

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4
Q

Do not permanently live upon their host but are dependent upon them for nourishment

A

Obligate Occasional Parasite

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5
Q

Parasitism is limited to stage/s in their life cycle

A

Determinate transitory

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6
Q

Parasitism extends from the time of hatching of the egg to the time that the eggs are produced by the adult

A

Permanent parasite

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7
Q

Cannot pass spontaneously from one host to the other e.g HELMINTHS

A

Fixed Parasite

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8
Q

Wander from its usual site

A

Erratic and abberant Parasite

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9
Q

highly specific parasite that affects man e.g Enterobius vermicularis

A

Anthropoparasite

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10
Q

equally specific parasites that affects man and animals e.g Trichinella spiralis

A

Anthropozooparasite

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11
Q

man is essential for the life cycle e.g Taenia in man

A

Enzoonoses

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12
Q

man is just accidentally involved

A

Parazoonoses

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13
Q

external parasites; INFESTATION

A

Ectoparasites

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14
Q

infection internal parasites: INFECTION

A

Endoparasite

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15
Q

Require a single host specie to complete the life cycle e.g Trichuris vulpis

A

Monoxenous/homoxenous Parasite

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16
Q

it requires 2 or more host species to complete the life cycle

A

Heteroxenous Parasite

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17
Q

Affects broad range of final hosts

A

Euryxenous Parasite

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18
Q

Affects narrow range of final hosts

A

Stenoxenous Parasite

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19
Q

harbors sexual, mature, or adult stage. e.g WHIPWORMS

A

Final or definitive host

20
Q

harbors asexual, immature, or larval stage e.g Dioctophyma renale

A

Intermediate host

21
Q

carriers; final host that harbors the infection but show no sign of infection

A

Reservoir or Alternate hosts

22
Q

unnatural host in which parasites are accidentally lodged and transmission is through ingestion of paratenic host

A

Transport or paratenic host

23
Q

Free living in nature can become parasitic in certain host

A

Facultative Parasite

24
Q

it must lead a parasitic existence

A

Obligatory Parasite

25
Q

mistaken to be parasite

A

Pseudoparasite

26
Q

2 incidental/accidental parasite

A

✓ prepatent period
✓ patent period

27
Q

from infection until egg is demonstrated

A

prepatent period

28
Q

from egg production by adults until it ceases

A

patent period

29
Q

are insects in which only the immature stages are parasitic.

A

protelean parasites

30
Q

Example of Optional occasional parasites

A

✓ mosquitoes
✓ sandflies

31
Q

Example of Obligate Occasional Parasite

A

fleas and ticks

32
Q

example of determinate transitory parasite

A

bot flies, warble flies

33
Q

Example of Permanent Parasites

A

lice and mange mites

34
Q

Example of Fixed Parasites

A

✓Ascaris suis (in the fallopian tube or bile ducts of the pigs)
✓Stephanurus dentatus (in the lungs)

35
Q

Example of Protelean Parasite

A

Hypoderma

36
Q

Example of Monoxenous parasites

A

✓ Ascaridia in chickens
✓ Trichuris vulpis in dogs

37
Q

example of heteroxenous parasites

A

✓ plasmodium (the cause of malaria)
✓ Fasciola gigantica (liverfluke)
✓ Paragonimus westermanii (lungfluke)

38
Q

Plasmodium (the cause of malaria)

A

Mosquito- final host, primary host
Man- intermediate host; secondary host

39
Q

Fasciola gigantica (liverfluke)

A

Final host- Carabao, cattle, goat
Intermediate host- snails

40
Q

Paragonimus westermanii (lungfluke)

A

Final host- man
First intermediate host- snails
Second IH- Crabs

41
Q

Example of Ectoparasites or external parasites

A

ticks, lice and mites

42
Q

Example of endoparasites or internal parasites

A

roundworms, plasmodia, coccidia

43
Q

example of facultative parasites

A

larvae of blowflies and fleshlies

44
Q

example of pseudoparasites

A

pollen grains, fungal spores, yeast cells, plant, spines

45
Q

example of reservoir host

A

trypanosoma evansi in carabao

46
Q

example of paratenic host

A

Toxocara canis eggs of dogs

47
Q

example of transport host

A

ascaris eggs, amoeba cysts, Eimeria oocyts by flies and beetles

Veterinary Entomology and Protozoology (13 decks)

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