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Para- Giraffe PQ's > Larval Cestodes > Flashcards

Larval Cestodes Flashcards

1
Q

How many suckers does the scolex of Moniezia expansa have?

A

4

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2
Q

What is the intermediate host of Anoplocephala worms?

A

Box mite

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3
Q

What does the egg of Moniezia benedeni contain?

A

6 hooked oncosphere

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4
Q

Which animals are susceptible for Diphyllobothrium infection?

A

Notes say fish eating mammals and humans.

Bears, dogs, cats

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5
Q

What is the best way to detect flea tapeworm eggs in faeces? (dipylidium caninum)

A

Flotation

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6
Q

What is the name of the cestode larva that can swim in water?

A

Coracidium

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7
Q

The species of this genus can act as intermediate host for Diphilidium.

A

Ctenocephalides

Trichodectes

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8
Q

These tapeworms can occur in large intestine.

A

Anoplocephalia

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9
Q

What statement is true for a segment of a cestode?

A

It is hermpaphroditic

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10
Q

What larval form is missing during development of Moniezia worms?

A

Coracidium

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11
Q

How many suckers does the scolex of Diphyllobothrium worm have?

A

2

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12
Q

What are the intermediate hosts of Diphylidium worms?

A

Fleas

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13
Q

Which of these features characterize the sexual organ of every cestode?

A

It is always hermaphroditic

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14
Q

Which animals are susceptible for Diphylidium infection?

A

Dogs and cats

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15
Q

What is the best way to detect Moniezia eggs in faeces?

A

Flotation

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16
Q

This larva always live in arthropods:

A

Cysticercoid

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17
Q

These animals can act as intermediate host for Diphyllobothrium:

A

Fish

Crustaceans

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18
Q

This organ never occurs in tapeworms.

A

Oral sucker

Cephalic cone

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19
Q

The segment of a flea tapeworm…

A

Is longer than broad
Has 2 genital openings
Has 2 sets of sex organs
Is hermaphroditic

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20
Q

This stage is missing on the course of life cycle of Anoplocephala worms:

A

Plerocercoid

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21
Q

How many hooks does the scolex of Diphyllobothrium worms have?

A

0

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22
Q

What is the size of an egg coccon of flea tapeworms?

A

About 500 microns

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23
Q

What does the mature proglottids of a Moniezia benedeni worm contain?

A

Many testicles

Two sets of sexual organs

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24
Q

Which tapeworm can infect humans?

A

Diphyllobothrium

Diphyllidium

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25
Q

What kind of worms produces eggs without oncosphaera?

A

Diphyllobothrium

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26
Q

Which tapeworm produces eggs with angular shape?

A

Moniezia

Anoplocephala

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27
Q

Even if they are infected with cestode larva, the following intermediate host are not able to infect humans

A

Copepods

Box mites

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28
Q

What organ is missing from the body of an adult cestode?

A

Digestive tract

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29
Q

What larval stage is formed during development of Moniezia worms?

A

Cysticercoid

Oncosphaera

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30
Q

What is the most preferred site of Echinococcus multilocularis larva in sheep?

A

Lung

31
Q

The name of Taenia hydatigena larva is:

A

Cysticercus tenuicollis

32
Q

Where do the larvae of Taenia hydatigena worms develop?

A

On the Liver

33
Q

Which hosts are susceptible for the larval Taenia crassiceps infection?

A

Rodents

34
Q

This kind of Cysticercus occurs in skeletal muscles:

A

C. ovis and C. cellulosae

35
Q

What is the size of an Echinococcus worm?

A

Around 3-6mm

36
Q

Intermediate host for Taenia pisiformis:

A

Hare

37
Q

What do the fertile cysticerci of Taenia worms contain?

A

One scolex

38
Q

In case of accidental ingestion, these larvae can infect humans:

A

Cysticercus bovis and cellulosae

i.e the 2 that occur in muscle- infection by meat consumption

39
Q

This larvae has three layered wall:

A

Hydatid cyst

40
Q

Echinococcus worms have:

A

Rostellum

Hooks

41
Q

The name of Taenia taeniaformis larva is:

A

Strobilicocercus

42
Q

How many proglottids does the Echinococcus multilocularis worm have?

A

5

43
Q

Larval stage of Taenia saginata is also called:

A

Cysticercus bovis

44
Q

What is the size of a Taenia type of egg?

A

Around 30-40 mm

45
Q

The species of this genus can act as intermediate host for Taenia saginata.

A

Bos

46
Q

What do the fertile caverns of Echinococcus multilocularis contain?

A

Protoslices and gelitanous mass

47
Q

Adult Taenia saginata worms have:

A

Scolex

48
Q

Larva of this Taenia lives in subcutaneous and intermuscular connective tissue:

A

T. serialis

49
Q

Larval stage of Taenia worms never include:

A

Coracidium

Cysticercoid

50
Q

What are the intermediate hosts of Taenia saginata?

A

Cattle

51
Q

What does the egg of Echinococcus multilocularis contain?

A

6-hooked oncospaera

52
Q

This animal can carry larval Taenia taeniaeformis infection:

A

Mouse

Rat

53
Q

What is the adequate way to detect Taenia type of eggs in faeces?

A

Flotation

54
Q

What is the name of cestode larva that develops in the central nervous system?

A

Coernus

55
Q

This species of this genus can act as intermediate host for Taenia solium.

A

Sus

56
Q

What does the sterile hydatid cyst contain?

A

Tissue fluid only

57
Q

Where can we find genital opening on the mature segment of Taenia species?

A

One one side

58
Q

What is the larval form that is absent during development of Echinococcus worms?

A

Coracidium

Cysticercoid

59
Q

Tapeworm detected by the naked eye:

A

All of them

60
Q

How do you diagnose metacestodes?

A

Necroscopy

61
Q

Cestode larvae in immature stage is called?

A

Cysticercus

62
Q

How do we differentiate the eggs of Echinococcus granulosa and Taenia multiceps?

A

Cannot differentiate

63
Q

What is the coracidium

A

Cilliated oncosphere larvae

64
Q

If you detect Taenia type eggs in a faecal sample of a dog, it could be infected with:

A

Taenia multiceps
Dipylidium caninum
Echinococcus granulosus

65
Q

How do you detect Cysticercus bovis?

A

Meat inspection

Necroscopy

66
Q

The eggs of these parasites cannot be detected:

A

PAC- metacestodes
E. alveolaris
C. pisiformis
C. cellulosae

67
Q

What kind of tapeworms is in the bile ducts of sheep?

A

None! they are in the intestine

68
Q

Symptoms by Moniezia can be seen:

A

Under 6 mnths

69
Q

What is the shape of Moniezia benedeni eggs?

A

Quadrangular

70
Q

How do we recognise eggs of M. expansa?

A

Triangular shape

71
Q

What is the most effective drug against Echinococcus?

A

Praziquantel

72
Q

What is the metacestode form of E. granulosa?

A

E. hydatidosus

73
Q

What is the metacestode form of E. multilocularis?

A

E. alveolaris

Para- Giraffe PQ's (18 decks)

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