Larval Cestodes

Question 1

How many suckers does the scolex of Moniezia expansa have?

Answer 1

4

Question 2

What is the intermediate host of Anoplocephala worms?

Answer 2

Box mite

Question 3

What does the egg of Moniezia benedeni contain?

Answer 3

6 hooked oncosphere

Question 4

Which animals are susceptible for Diphyllobothrium infection?

Answer 4

Notes say fish eating mammals and humans.

Bears, dogs, cats

Question 5

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

Answer 5

Flotation

Question 6

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

Answer 6

Coracidium

Question 7

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

Answer 7

Ctenocephalides

Trichodectes

Question 8

These tapeworms can occur in large intestine.

Answer 8

Anoplocephalia

Question 9

What statement is true for a segment of a cestode?

Answer 9

It is hermpaphroditic

Question 10

What larval form is missing during development of Moniezia worms?

Answer 10

Coracidium

Question 11

How many suckers does the scolex of Diphyllobothrium worm have?

Answer 11

2

Question 12

What are the intermediate hosts of Diphylidium worms?

Answer 12

Fleas

Question 13

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

Answer 13

It is always hermaphroditic

Question 14

Which animals are susceptible for Diphylidium infection?

Answer 14

Dogs and cats

Question 15

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

Answer 15

Flotation

Question 16

This larva always live in arthropods:

Answer 16

Cysticercoid

Question 17

These animals can act as intermediate host for Diphyllobothrium:

Answer 17

Fish

Crustaceans

Question 18

This organ never occurs in tapeworms.

Answer 18

Oral sucker

Cephalic cone

Question 19

The segment of a flea tapeworm…

Answer 19

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

Question 20

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

Answer 20

Plerocercoid

Question 21

How many hooks does the scolex of Diphyllobothrium worms have?

Answer 21

0

Question 22

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

Answer 22

About 500 microns

Question 23

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

Answer 23

Many testicles

Two sets of sexual organs

Question 24

Which tapeworm can infect humans?

Answer 24

Diphyllobothrium

Diphyllidium

Question 25

What kind of worms produces eggs without oncosphaera?

Answer 25

Diphyllobothrium

Question 26

Which tapeworm produces eggs with angular shape?

Answer 26

Moniezia | Anoplocephala

Question 27

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

Answer 27

Copepods | Box mites

Question 28

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

Answer 28

Digestive tract

Question 29

What larval stage is formed during development of Moniezia worms?

Answer 29

Cysticercoid | Oncosphaera

Question 30

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

Answer 30

Lung

Question 31

The name of Taenia hydatigena larva is:

Answer 31

Cysticercus tenuicollis

Question 32

Where do the larvae of Taenia hydatigena worms develop?

Answer 32

On the Liver

Question 33

Which hosts are susceptible for the larval Taenia crassiceps infection?

Answer 33

Rodents

Question 34

This kind of Cysticercus occurs in skeletal muscles:

Answer 34

C. ovis and C. cellulosae

Question 35

What is the size of an Echinococcus worm?

Answer 35

Around 3-6mm

Question 36

Intermediate host for Taenia pisiformis:

Answer 36

Hare

Question 37

What do the fertile cysticerci of Taenia worms contain?

Answer 37

One scolex

Question 38

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

Answer 38

Cysticercus bovis and cellulosae | i.e the 2 that occur in muscle- infection by meat consumption

Question 39

This larvae has three layered wall:

Answer 39

Hydatid cyst

Question 40

Echinococcus worms have:

Answer 40

Rostellum | Hooks

Question 41

The name of Taenia taeniaformis larva is:

Answer 41

Strobilicocercus

Question 42

How many proglottids does the Echinococcus multilocularis worm have?

Answer 42

5

Question 43

Larval stage of Taenia saginata is also called:

Answer 43

Cysticercus bovis

Question 44

What is the size of a Taenia type of egg?

Answer 44

Around 30-40 mm

Question 45

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

Answer 45

Bos

Question 46

What do the fertile caverns of Echinococcus multilocularis contain?

Answer 46

Protoslices and gelitanous mass

Question 47

Adult Taenia saginata worms have:

Answer 47

Scolex

Question 48

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

Answer 48

T. serialis

Question 49

Larval stage of Taenia worms never include:

Answer 49

Coracidium | Cysticercoid

Question 50

What are the intermediate hosts of Taenia saginata?

Answer 50

Cattle

Question 51

What does the egg of Echinococcus multilocularis contain?

Answer 51

6-hooked oncospaera

Question 52

This animal can carry larval Taenia taeniaeformis infection:

Answer 52

Mouse | Rat

Question 53

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

Answer 53

Flotation

Question 54

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

Answer 54

Coernus

Question 55

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

Answer 55

Sus

Question 56

What does the sterile hydatid cyst contain?

Answer 56

Tissue fluid only

Question 57

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

Answer 57

One one side

Question 58

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

Answer 58

Coracidium | Cysticercoid

Question 59

Tapeworm detected by the naked eye:

Answer 59

All of them

Question 60

How do you diagnose metacestodes?

Answer 60

Necroscopy

Question 61

Cestode larvae in immature stage is called?

Answer 61

Cysticercus

Question 62

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

Answer 62

Cannot differentiate

Question 63

What is the coracidium

Answer 63

Cilliated oncosphere larvae

Question 64

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

Answer 64

Taenia multiceps Dipylidium caninum Echinococcus granulosus

Question 65

How do you detect Cysticercus bovis?

Answer 65

Meat inspection | Necroscopy

Question 66

The eggs of these parasites cannot be detected:

Answer 66

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

Question 67

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

Answer 67

None! they are in the intestine

Question 68

Symptoms by Moniezia can be seen:

Answer 68

Under 6 mnths

Question 69

What is the shape of Moniezia benedeni eggs?

Answer 69

Quadrangular

Question 70

How do we recognise eggs of M. expansa?

Answer 70

Triangular shape

Question 71

What is the most effective drug against Echinococcus?

Answer 71

Praziquantel

Question 72

What is the metacestode form of E. granulosa?

Answer 72

E. hydatidosus

Question 73

What is the metacestode form of E. multilocularis?

Answer 73

E. alveolaris