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Flashcards in Lab 3 Deck (107)
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1

What is the size of Taenia type egg?

50 um

2

Method for detecting Taenia type eggs?

Flotation

3

Tapeworm detected by the naked eye:

All of them

4

How do you diagnose metacestodes?

Necropsy

5

Cestode larvae in immature stage? IMP

Cysticercus

6

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

Cannot differentiate

7

What is the Coracidium?

Ciliated oncosphere larvae
L1 stage of Diphyllobothrium latum
L1 Coracidium – L2 Procercoid – L3 Pleurocercoid

8

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

Taenia multiceps,
Dipylidium caninum
Echinococcus granulosus

9

How do you detect cystocercus bovis?

Necropsy and meat inspection

10

Which species occur in dogs?

F. hepatica
T. ovis
D. latum

11

The eggs of this parasite cannot be detected:

E. alveolaris, C. pisiformis and C cellulose since they are metacestodes

12

Which form is infective in sheep?

Cistecercoid in Orbatidae

13

Which statement is true?

Proglottids do not pass permanently with the faeces

14

What does gravid segment mean?

When a proglottid migrates to the end of the tapeworm, and produces a huge amount of eggs.
It then detaches and is excreted in the faeces.

15

Size of Taenia-type eggs?

30- 40 um

16

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

Coracidium

17

What statement is true for a segment of a cestode?

It can produce eggs.
It is hermaphroditic

18

Which tapeworm can infect humans?

Diphyllobothrium
Dipylidium

19

Which tapeworm produce eggs with angulated shape?

Moniezia
Anoplocephala

20

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

Copepods
Box mites

21

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

Digestive tract

22

Larval stages of Taenia worms include:

Cysticercoid

23

This kind of cysticercus occurs in skeletal muscles:

C. ovis
C. cellulosae
C. cervi

24

What do the fertile cysticerci of Taenia worms contain?

One scolex

25

In case of accidental ingestions this larva can infect humans:

Cysticercus bovis
Cysticercus cellulosae

26

This larvae has three-layered wall:

Hydatid cyst

27

Cestodes of Ruminants =

Moniezia

28

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

None. They are in the intestine.

29

Symptoms by Moniezia can be seen (age):

Under 6 months old

30

Shape of Moniezia benedeni?

Quadrangular