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Parasitology > Review > Flashcards

Review Flashcards

1
Q

Toxocara canis are:

A

roundworms

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2
Q

Who is at higher risk for zoonotic disease?

A

Infants, small children, and elderly
Animal health care providers
Immune-compromised individuals

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3
Q

Which of the following parasiticides would be used to treat an animal that harbors nematodes?

A

Anthelmintics

An animal that harbors nematodes, which are roundworms, would be treated with anthelmintics; anthelmintics also kill tapeworms, flukes, and thorny-headed worms. Acaricides kill mites and ticks. Insecticides kill insects. Antiprotozoals kill protozoan organisms.

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4
Q

Which of the following parasiticides would be used to treat an animal that harbors mites?

A

Acaricides

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5
Q

Acanthocephalans are ___________.

A

thorny-headed worms

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6
Q

Which parasite can be transmitted through bare feet?

A

Ancylostoma spp.
Hookworms

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7
Q

Toxocara spp. can cause visceral larval migrans in children
t/f

A

true

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8
Q

Hookworms can cause cutaneous larval migrans in humans
t/f

A

true

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9
Q

Which of the following statements about Giardia species is the most accurate?

A

They are protozoans.

Giardia species are protozoans, which are single-celled endoparasites. They can be transmitted by intermediate hosts but are not intermediate hosts themselves. They are not flatworms.

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10
Q

Which of the following are species of hookworm?

A

Ancylostoma caninum and Ancylostoma braziliense

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11
Q

A pseudoparasite is:

A

A creature that is mistaken for a parasite

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12
Q

Zoonosis is:

A

Disease or parasite that is transmissible from animals to humans

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13
Q

Ectoparasite is

A

Parasitism by an external parasite

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14
Q

Endoparasite is

A

Parasitism by an internal parasite

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15
Q

Having separate sexes—both male and female nematodes

A

Dioecious

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16
Q

Trematodes and cestodes are hermaphroditic (monoecious) t/f

A

true

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17
Q

Female nematodes that produce eggs containing either a single-cell stage or a morula stage within the eggshell are:

A

oviparous

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18
Q

___ is the roundworm of pigs.

A

Ascaris suum

Ascaris suum is the roundworm of pigs. Haemonchus contortus is the “barber pole worm” of ruminants. Ancylostoma caninum is the hookworm of dogs. Trichuris vulpis is the whipworm of dogs.

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19
Q

___ is the “giant kidney worm” of dogs.

A

Dioctophyma renale

20
Q

___ is the heartworm of dogs and cats.

A

Dirofilaria immitis

21
Q

___ is the heartworm of dogs and cats.

A

Dirofilaria immitis

22
Q

What is the generic type of egg and which animals’ feces would you most likely find it in?

A

Strongyle, Cow

23
Q

What is the infective stage for most roundworms?

A

L3

24
Q

What is the infective stage for most Hookworms

A

L3

25
Q

What is the “method of choice” for fecal flotation testing:

A

Fecal Centrifugation

26
Q

What is the infective stage for most Whipworms?

A

L1

27
Q

Neural larval migrans is most commonly caused by ____________________, an ascarid infecting raccoons

A

Baylisascaris procyonis

28
Q

The intermediate host for Dipylidium caninum is:

A

flea

29
Q

the organism from which the other one derives nourishment

A

Host

30
Q

one organism benefits, the other is harmed

A

parasitism

31
Q

both organisms benefit

A

mutualism

32
Q

two organisms living together

A

symbiosis

33
Q

One organism benefits, the other is unaffected

A

commensalim

34
Q

When performing a direct smear, a dab of sample of feces should be mixed with a drop of _______________________ on a slide.

A

saline

35
Q

Tapeworm infections are most often diagnosed in small animals by which of the following methods?

A

gross examination

36
Q

What is the holdfast organelle on the extreme anterior end (head) of a cestode called?

A

scolex

37
Q

True tapeworms have these to hold (suction) themselves onto the lining of the small intestine.

A

Acetabula

38
Q

If a tapeworm does not have a set of these, it is considered to be “unarmed.”

A

Rostellum

39
Q

Tapeworm known as beef measles

A

Taenia saginata

40
Q

This tapeworm does not require an intermediate host

A

Hymenolepis nana

41
Q

Gastrophilus `

A

Flybot

42
Q

malarsamine

A

heartworm tx

43
Q

what breed should not have ivermectin

A

collies

44
Q

spinosid (comfortis)

A

used to kill fleas

45
Q
A

Parasitology (7 decks)

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