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parasitology 1 > MODULE 1 INTRODUCTION TO PARASITOLOGY > Flashcards

MODULE 1 INTRODUCTION TO PARASITOLOGY Flashcards

1
Q

phenomenon of parasitism

A

parasitology

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2
Q

study of insects

A

entomology

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3
Q

study of protozoan parasites

A

protozoology

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4
Q

study of roundworms, tapeworms, and flukes

A

helminthology

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5
Q

organisms that live on or within some other organism

A

parasite

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6
Q

organism that harbors the parasite

A

host

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7
Q

arthropod or invertebrate that transmits the parasite from one vertebrate host to another

A

vector

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8
Q

one injures the other, causing signs and lesions of disease

A

parasitosis

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9
Q

potentially pathogenic, but does not cause signs of disease

A

parasitiasis

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10
Q

one partner is benefited and the other is neither benefited nor harmed

A

commensalism

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11
Q

necessary for both and from which both benefits

A

symbiosis

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12
Q

relationship between host and parasite is not essential and host can get along well enough without the parasite

A

mutualism

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13
Q

one party benefits (parasite), and the other is harmed (host)

A

parasitism

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14
Q

implies a temporary relationship, in which one organism transports or shelters another

A

phoresy

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15
Q

lives within the host (internal)

A

endoparasite

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16
Q

live outside the host (external)

A

ectoparasite

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17
Q

parasitism by endoparasite

A

infection

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18
Q

parasitism by ectoparasite

A

infestation

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19
Q

stays in the host from egg to adult

A

permanent parasite

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20
Q

visits host briefly e.g mosquito

A

temporary parasite

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21
Q

2 types of temporary parasite

A
  1. obligate
  2. facultative
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22
Q

cannot exist without the host

A

obligate

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23
Q

parasitic or free-living

A

facultative

24
Q

objects/artifacts mistaken for parasite

A

pseudoparasite

25
Q

result of coprophagy

A

spurious parasite

26
Q

briefly visits their host to obtain nourishment but does not depend on them

A

optional occassional or periodic parasite

27
Q

does not permanently live on their host but are dependent on them for nutrition

A

obligate occassional parasite

28
Q

requires only one host

A

homoxenous parasite

29
Q

requires two or more host

A

heteroxenous parasite

30
Q

narow range of host

A

stenoxenous parasite

31
Q

wide range of host

A

euryxenous parasite

32
Q

specific for animals

A

zooparasite

33
Q

highly-specific parasite for man

A

anthropoparasite

34
Q

both man and animal

A

zooanthropoparasite

35
Q

host harboring the sexual or adult/mature stage of the parasite

A

definitive host

36
Q

host harboring the asexual or larval/immature stage of the parasite

A

intermediate host

37
Q

remains alive in foreign host but do not develop

A

paratenic or transport host

38
Q

hosts are wild animals

A

sylvatic host

39
Q

serves as source of infection

A

reservoir host

40
Q

development of the parasite

A

life cycle

41
Q

disease transmissible between man and animal

A

zoonosis

42
Q

man is essential for the lifecycle

A

enzoonoses

43
Q

man is accidentally involved

A

parazoonoses

44
Q

cause pressure atrophy

A

hydatid cysts

45
Q

absorbs intestinal contents through their body wall

A

tapeworm

46
Q

feeds on solid tissues by liquefying them

A

chigger mites

47
Q

destroys host cell by growing in them

A

coccidia

48
Q

esophageal worm of dogs

A

Spirocerca lupi

49
Q

alters proteins or carbohydrates on its surface thus avoiding the host’s immune response

A

antigenic variation

50
Q

example of antigenic variation

A

Babesia bovis

51
Q

example of antigenic mimicry

A

Trypanosoma cruzi

52
Q

initially defined as protective mechanism of pathogens to avoid elimination by the host’s immune system

A

antigenic mimicry

53
Q

example of adsorption of host antigen by parasite

A

Schistosoma mansoni

54
Q

ability of a parasite to escape immune detection by covering itself with host antigens

A

loss or masking of antigen

55
Q

found in organs not normally their natural abode/habitat

A

aberrant parasite

parasitology 1 (2 decks)

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