Lab test 7

Question 1

Tapeworm detected by the naked eye

Answer 1

All of them

Question 2

How do you diagnose metacestodes?

Answer 2

Necropsy

Question 3

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

Answer 3

Cannot differentiate

Question 4

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

Answer 4

Taenia multiceps
Dipylidium canium
Echinococcus granulosus

Question 5

How do you detect cystocercus bovis?

Answer 5

Necropsy and meat inspection

Question 6

Which species occur in dogs?

Answer 6

F. Hepatica
T. ovis
D. latum

Question 7

The eggs of this parasite cannot be detected:

Answer 7

E. alveolaris
C. pisiformis
C. cellulose
Since they are metacestodes

Question 8

Which form is infective in sheep?

Answer 8

Cistecercoid in Orbatidae

Question 9

Which statement is true?

Answer 9

Proglottids do not pass permanently with the faeces

Question 10

Size of Taenia-type eggs?

Answer 10

30-40 micrometer

Question 11

What statement is true for a segment of a cestode?

Answer 11

It can produce eggs. it is hermaphroditic

Question 12

Which tapeworm can infect humans?

Answer 12

Diphyllobothrium

Dipylidium

Question 13

Which tapeworm produce eggs with angulated shape?

Answer 13

Moniezia

Anoplocephala

Question 14

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

Answer 14

Digestive tract

Question 15

This kind of cysticercus occurs in skeletal muscles

Answer 15

C. ovis
C. cellulosae
C. cervi

Question 16

What do the fertile cysticerci of Taenia worms contain?

Answer 16

One scolex

Question 17

In case of accidental ingestions this larvae can infect humans:

Answer 17

Cysticercus bovis

Cysticercus cellulosae

Question 18

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

Answer 18

None. they are in the intestine

Question 19

Symptoms by Moniezia can be seen

Answer 19

Under 6 months old

Question 20

Shape of Moniezia benedeni

Answer 20

Quadrangular

Question 21

How do we recognise eggs of M. expansa?

Answer 21

Triangular shape

Question 22

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

Answer 22

None. In cattle and sheep, tapeworms are not found in the bile ducts

Question 23

Which statement is not true?

Answer 23

Prepatent period is 6 months in case of Moniezia

Question 24

How many suckers does the scolex of Moniezia expansa have?

Answer 24

4 suckers

Question 25

What does the eggs of Moniezia benedeni contain?

Answer 25

Quadrangular eggs that contrain a 6 hooked oncosphaera inside

Question 26

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

Answer 26

Many testicles | Two sets of sexual organs

Question 27

What does the sterile hydatid cyst contain?

Answer 27

Tissue fluid only

Question 28

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

Answer 28

On one side

Question 29

In cestodes, what is the gravid segment?

Answer 29

Egg

Question 30

Which has/have two sets of genitalia (in each segment=

Answer 30

Moniezia Dipylidium Taenia

Question 31

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

Answer 31

In the small and large intestine

Question 32

Proudmann method detect

Answer 32

Anoplocephala/Equine tapeworms

Question 33

What shape do the eggs of Anopleucephala have?

Answer 33

Horse-shoe shape

Question 34

What is the intermediate host of Anoplocephala worms?

Answer 34

Box-mites

Question 35

These tapeworms can occur in large intestines

Answer 35

Anoplocephala

Question 36

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

Answer 36

Cocoon, egg and gravid segments. Flotation of large egg capsules (cacoons) from faeces. each egg contains a 6 hooked oncosphaera inside. usually the whole gravid segments are shed by the faeces: they are pinkish, 2-3 mm long and able to crawl for a short distance.

Question 37

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

Answer 37

D. caninum

Question 38

Cacoon found in infection caused by

Answer 38

D. caninum

Question 39

Worm eggs not examined by flotation

Answer 39

D. caninum. Since the cacoon is much heavier, it is done with sedimentation or flotation in extremely dense fluid

Question 40

Tapeworm species found in a 6 week old puppy

Answer 40

D. caninum

Question 41

Elongated proglottids of Diphylidium have two sets of genitalia. True or false?

Answer 41

True

Question 42

Cestode with double genitalia

Answer 42

Diphylidium caninum

Question 43

Whatis the best way to detect flea tapeworm eggs in faeces

Answer 43

Flotation

Question 44

The species of this genus can act as intermediate hosts for Diphylidium

Answer 44

Ctenocephalides fleas and rarely hair lice

Question 45

What is the size of egg cacoon of flea tapeworms?

Answer 45

about 500 microns

Question 46

These tapeworms have armed rostellum

Answer 46

Dipylidium

Question 47

Inside of D. latum eggs

Answer 47

Zygote

Question 48

Which animals are susceptible for Diphyllobothrium infection?

Answer 48

Bear, dog, cat (fish eating mammals, including humans)

Question 49

Which animals aren't susceptible for Diphyllobothrium infection?

Answer 49

Cattle

Question 50

How many hooks does the scolex of Diphyllobothrium worms have?

Answer 50

Zero

Question 51

what kind of works produce eggs without onchosphere?

Answer 51

Diphyllobothrium

Question 52

Is T. ovis common in sheep flocks of the EU?

Answer 52

No, T. ovis effects dogs, not sheep

Question 53

Host of T. ovis

Answer 53

Dogs

Question 54

Which is hepatophilous?

Answer 54

T. pisiformis

Question 55

Which can occur in sheep?

Answer 55

Cysticercus ovis

Question 56

Cysticercus pistiformis can occur in

Answer 56

Rabbits and hares

Question 57

Which animal can carry Taenia taeniaformis infection?

Answer 57

Rat

Question 58

Intermediate host for Taenia pisiformis?

Answer 58

Hare and rabbit

Question 59

Where do you find T. solium adults in dogs?

Answer 59

Not found in dogs. only found in humans

Question 60

Where can you find T. saginata in the red fox?

Answer 60

Not found. it is a human tapeworm

Question 61

This metacestode can develop into adult in humans:

Answer 61

Cystercus cellulosae

Question 62

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

Answer 62

Bos

Question 63

Aduly Taenia saginata worms have:

Answer 63

Scolex

Question 64

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

Answer 64

Homo

Question 65

Size of Echinococcus granulosa eggs?

Answer 65

50 um as they are taenia type eggs

Question 66

In dog, E. alveolaris can be found where?

Answer 66

In the liver

Question 67

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

Answer 67

Only E. alveolaris

Question 68

E. multilocularis can be detected in infected humans with

Answer 68

No method, since not found in humans

Question 69

What is the most effective drug against Echinococcus

Answer 69

Praziquantel/Epsiquantel

Question 70

What is the metacestode form of E. granulosa

Answer 70

E. hydatidosus

Question 71

What is the metacestode form of E. multilocularis?

Answer 71

E. alveolaris

Question 72

Size of Echinococcus hydatidosus protosolex?

Answer 72

100 um

Question 73

Echinococcus worms have

Answer 73

Rostellum, hooks

Question 74

How many proglottids does the Echinococcus multilocularis have?

Answer 74

5

Question 75

What do the fertile caverns of Echinococcus multilocilaris contain?

Answer 75

Protoscolices and gelatinous mass

Question 76

What is the size of an Echinococcus worm?

Answer 76

Around 3-6 millimeters