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Para 2 tests > Test 3 + 4 > Flashcards

Test 3 + 4 Flashcards

1
Q

What is the size of Taenia type egg?

A

50 µm.

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2
Q

Method for detecting Taenia type eggs?

A

Flotation.

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3
Q

Tapeworm detected by naked eye:

A

All of them.

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4
Q

How do you diagnose metacestodes?

A

Necropsy.

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5
Q

Cestode larvae in immature stage? IMP

A

Cysticerus.

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6
Q

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

A

Cannot differentiate.

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7
Q

What is the Coracidium?

A
  • Ciliated oncoshere larvae.
  • L1 stage of Dyphyllobothrium latum.
  • L1 Coracidium- L2 Procercoid- L3 Pleurocercoid.
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8
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.
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9
Q

How do you detect cystocercus bovis?

A

Necropsy + meat inspection.

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10
Q

Which sp. occur in dogs?

A
  • F.hepatica, T.ovis, D.latum.
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11
Q

The eggs of this parasite cannot be detected:

A
  • E.alveolaris, C.pisiformis + C. cellulose since they are metacestodes.
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12
Q

Which form is infective in sheep?

A

Cistecercoid in Orbatidae.

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13
Q

Which statement is true?

A

Proglottis do ø pass permanently with faeces.

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14
Q

What does gravid segment mean?

A
  • When a proglottid migrates to the end of tapeworm, and produces a huge amt of eggs.
  • It then detaches + is excreeted in faeces.
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15
Q

Size of Taenia- type eggs?

A

30 - 40 µm.

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16
Q

What is the name of cestode larva that can swim in H2O?

A

Coracidium.

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17
Q

What statement is true for a segment of a cestode?

A
  • It can produce eggs.

- It is hermaphroditic.

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18
Q

Which tapeworm can infect humans?

A
  • Diphyllobothrium.

- Dipylidium.

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19
Q

Which tapeworm produce eggs with angulated shape?

A
  • Moniezia.

- Anoplocephala.

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20
Q

Cestode larva carrying specimens of these intermediate host cannot infect humans:

A
  • Copepods, Box mites.
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21
Q

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

A

Digestive tract.

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22
Q

Larval stages of Taenia worms include:

A

Cysticercoid.

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23
Q

This kind of cysticercus occurs in skeletal m.:

A
  • C.ovis, C.cellulosae, C.cervi.
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24
Q

What do the fertile cysticerci of Taenia worms contain?

A

1 scolex.

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25
Q

In case of accidental ingestions this larva can infect humans:

A
  • Cysticercus bovis.

- Cysticercus cellulosae.

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26
Q

This larvae has 3- layered wall:

A

Hydatid cyst.

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27
Q

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

A
  • None.

( in intestine).

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28
Q

Symptoms by Moniezia can be seen:

A

< 6 mnths old.

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29
Q

Shape of Moniezia benedeni?

A

Quadrangular.

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30
Q

How do we recognise eggs of M.expansa?

A

Triangular shape.

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31
Q

What kind of tapeworm can be found in bile duct of cattle?

A
  • None.

In cattle + sheep, tapeworms are ø found in bile ducts

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32
Q

Which statement is ø true?

A

Prepatent period is 6 months in case of Moniezia.

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33
Q

How many suckers does the scolex of Moniezia expansa have?

A

4.

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34
Q

What does the egg of M. benedeni contain?

A

Quadrangular eggs that contain a 6- hooked oncosphaera inside.

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35
Q

What larval form is missing during development of Monienzia worms?

A

Coracidium, Plerocercoid.

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36
Q

Waht larval form isn’t missing during development of Moniezia worms?

A

Oncosphera.

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37
Q

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

A
  • Many testicles.

- 2 sets of sexual organs.

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38
Q

What larval stage is formed during development of Moniezia worms?

A
  • Cysticercoid.

- Oncospahaera.

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39
Q

Cysticercoid can develop in:

A

Box- mite.

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40
Q

Procercoid is:

A

L2.

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41
Q

What does the sterile hydatid cyst contain?

A

Tissue fluid only.

42
Q

Where can we find genital opening on mature segment of a Taenia sp.?

A

On 1 side.

43
Q

In Cestodes,w hat is the gravid segment?

A

Egg.

44
Q

Which has/ have 2 sets of gentialia ( in each segment) ?

A
  • Moniezia, Dipylidium, Taenia.
45
Q

Where can you find tapeworms during the necropsy of a Eq?

A

In small + large intestine.

46
Q

Proudmann method detects:

A

Anoplocephala/ Eq tapeworms.

47
Q

What shape do eggs of Anopleucephala have?

A

Eq- shoe shape.

48
Q

What is the intermediate host of Anoplocephala worms?

A

Box- mites.

49
Q

These tapeworms can occure in the large intestine:

A

Anoplocephala.

50
Q

What is the infective larval form of tapeworm of Eq?

A

Cysticercoid.

51
Q

What can you detect in the faeces of a dog infected with D.caninum?

A
  • Coccoon, egg + gravid segment.
52
Q

A few mm long, active worm found in faeces of a cat?

A

D. caninum.

53
Q

Cocoon found in infection caused by:

A

D. Caninum.

54
Q

Worm eggs ø examined by flotation?

A

D.caninum

55
Q

Tapeworm sp. found in a 6 week old puppy?

A

D. caninum.

56
Q

Elongated proglottids of Diphylidium have 2 sets of genitalia. True or False?

A

True.

57
Q

Cestode with double genitalia?

A

Diphylidium caninum.

58
Q

What is the best way to detect flea tapeworm eggs in faeces?

A

Flotation.

59
Q

The sp. of this genus can act as intermediate hosts for Dipylidium:

A

Ctenocephalides fleas + rarely hair lice.

60
Q

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

A

About 500 microns.

61
Q

These tapeworm has armed rostellum:

A

Dipylidium.

62
Q

What is the infective stage of D.latum?

A

L3- Plecocercoid.

63
Q

Inside of D.latum eggs:

A

Zygote.

64
Q

Infective stage of D.latum is L2. True or false?

A

False.

It is L3- Pleurocercoid.

65
Q

Which animals are susceptible for Diphyllobothrium infection?

A

Bears, Dogs, Cats.

66
Q

Which animals aren’t susceptible for Diphyllobothrium infection?

A

Cattle.

67
Q

How many hooks does the scolex of Diphyllobothrium worms have?

A

Zero.

68
Q

What kind of worms produce eggs without oncosphere?

A

Diphyllobothrium.

69
Q

Is T. Ovis common in sheep flocks of EU?

A

ø.

70
Q

Host of T.Ovis?

A

Dog.

71
Q

Which is ‘ hepatophilous’?

A

T. pisiformis.

72
Q

What can occur in sheep?

A

Cysticercus ovis.

73
Q

Cysticercus pisiformis can occur in:

A

Rabbits + hares.

74
Q

The name of Taenia taeniaformis larva is:

A

Strobilocercus.

75
Q

This animal can carry Taenia taeniaformis infection:

A

Rat.

76
Q

The name of Taenia hydatigena larva is:

A

Cysticercus tenuicollis.

77
Q

Where the larvae of Taenia hydatigena worms are can be found?

A

On mesentery + liver.

78
Q

Which hosts are susceptible for the larval Taenia crassiceps infection?

A

Rodents.

79
Q

Intermediate host for Taenia pisiformis:

A

Hare + rabbit.

80
Q

Where do you find T.solium adults in dogs?

A

ø.

81
Q

Where can you find T.saginata in red fox?

A

ø.

82
Q

This metacestode can develop into adult in humans:

A

Cystercus cellulosae.

83
Q

Larval stage of Taenia saginata is also called:

A

Cysticercus bovis.

84
Q

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

A

Bos.

85
Q

Adult Taenia saginata worms have:

A

Scolex.

86
Q

The sp. of this genus can act as intermediate host for Taenia solium:

A

Homo.

87
Q

Larvaea of this Taenia live in SC + intermediate CT:

A

T.serialis.

88
Q

What is the name of cestode larva that develops in CNS?

A

Coenurus.

89
Q

Size of Echinococcus granulosa egg?

A

50 µm.

90
Q

In a dog, E.alveolaris can be found where?

A

Liver.

91
Q

E.granulosus + E.alveolaris can both occur in humans.

A

Only E. alveolaris.

92
Q

E.multilocularis can be detected in infected humans with:

A

ø method, since ø found in humans.

93
Q

What is the most effective drug against Echinococcus?

A

Praziquantel/ Epsiquantel.

94
Q

What is teh Metacestode form of E. granulosa?

A

E. hydaticosus.

95
Q

What is the Metacestode form fo E.multilocularis?

A

E. alveolaris.

96
Q

Size of Echinococcus hydatidosus protosolex?

A

100 µm.

97
Q

Echinococcus worms have:

A

Rostellum, Hooks.

98
Q

How many proglottis does the Echinococcus multilocularis worm have?

A

5.

99
Q

Which hosts are susceptible for the larval Echinococcus granulosus infection?

A

Mammals.

100
Q

What do the fertile caverns of Echinococcus multilocialris contain?

A

Protoscolices _ gelatinous mass.

101
Q

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

A

Lung.

102
Q

What is the size of an Echinococcus worm?

A

Around 3- 6 mm.

Para 2 tests (9 decks)

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