Introduction to Vet Parasitology (Book) Flashcards

1
Q

briefly visit their host to obtain nourishment but not dependent on them for either nourishment or shelter

A

optional occasional parasites

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2
Q

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

A

obligate occasional parasites

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3
Q

parasitism is limited to a definite stage or stages in their life cycle during which time, parasitism is obligate or continuous

A

determinate transitory parasites

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4
Q

parasitism extends from the time of hatching of the eggs to the times eggs are produced by the adult

A

permanent parasites

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5
Q

cannot pass spontaneously from one host to the other

A

fixed parasites

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6
Q

mosquitoes and sandflies are what type of parasites

A

optional occasional parasites

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7
Q

obligate occasional parasites

A

fleas and ticks

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8
Q

determinate transitory parasites

A

botflies, warble flies

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9
Q

permanent parasites

A

lice and mange mites

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10
Q

insects which only the immature stages are parasitic

A

protelean parasites or /parasitoids

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11
Q

require only one host to complete their life cycle

A

monoxenous parasites

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12
Q

hypoderma

A

protelean parasites

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13
Q

Ascaridia galli is a monoxenous parasite in?

A

Chicken

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14
Q

Trichuris vulpis is a monoxenous parasite in?

A

Dogs

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15
Q

Final host that harbor the infection but show no untoward signs of infection

A

Reservoir host

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16
Q

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

A

Paratenic host

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17
Q

Host in which parasite eggs, oocyst or adults are accidentally lodged and transmitted mechanically to another host

A

Transport host

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18
Q

Parasites remain dormant or inhibited form for sometime in a natural host

A

Hypobiosis or histotropic phase of development

19
Q

The period from the time of infection to the time eggs or larva are demonstrated in the feces

A

Prepatent period

20
Q

From the time eggs are demonstrated in the feces to the time eggs disappear or period of appearance to disappearance

A

Patent period

21
Q

Refers to the presence of parasite larvae or parasitic protozoa in the blood

A

Parasitemia

22
Q

Those that are transferable from animal to man and vice versa or parasites affecting humans and animals

A

Parasitic zoonoses

23
Q

Parasite that is highly specific for animals

A

Zooparasite

24
Q

Parasite that is highly specific for man only

A

Anthropoparasite

25
Q

These are parasites that are equally specific for man and animals

A

Anthropozooparasite

26
Q

Man is essential for the life cycle of the parasite

A

Enzoonoses

27
Q

It is unstable and unchangeable group and man is just accidentally involved

A

Parazoonoses

28
Q

This transmission is when no change in form or development occurs in the arthropod body

A

Mechanical transmission

29
Q

This transmission is when there is a change in form or development of the parasite or organism in the body of the arthropods

A

Biological transmission

30
Q

Give the three types of biological transmission

A
  1. Cyclopropagative transmission
  2. Cyclodevelopmental transmission
  3. Propagative transmission
31
Q

Describe cyclopropagative transmission

A

Organism undergo cyclical changes or change in form as well as in number

32
Q

What is cyclo-developmental transmission

A

An organism undergo cyclic development changing form and size but there is no change in number in the body of the arthropod

33
Q

This biological transmission is when the organisms undergo multiplication in the arthropod but no cyclical development or change in form or size

A

Propagative transmission

34
Q

It occurs when the infection is through the next generation

A

Transovarian transmission or hereditary transmission

35
Q

Common case of transovarian transmission

A

Babesia species in ticks

36
Q

It is the transport of small parasites such as lice and mites by bigger parasites such as flies and mosquitoes

A

Phoresy or phoresis

37
Q

In cases of phoresis these eggs are deposited in the abdomen of mosquito so that it will hatch deposited or transferred in another host

A

Dermatobia hominis eggs

38
Q

Give the factors that influence the degree of harm done by various parasites

A

Number of parasites present
Location of the parasites
Nature of their food
Movement of parasites
Age of the host
Virulence of parasites

39
Q

It is the presence of natural antibodies normally produced against bacteria and viruses

A

Natural immunity

40
Q

Products of antibodies due to infect on or exposure or pre-immunition

A

Acquired immunity

41
Q

Acquired resistance due to increase development of acquired immunity

A

Age resistance

42
Q

True or false: Older birds are more resistant than younger birds and this is what kind of immunity

A

True. True age immunity

43
Q

Give some factors that influence the resistance to parasites

A

Nutrition
Age of the host
Vitamins
General condition of the host