Tapeworms and flukes

Question 1

What is the clinical name for taepworms?

Answer 1

Cestodes

Question 2

What is the head of a tapeworm called?

Answer 2

Scolex

Question 3

What is the body of a tapeworm called?

Answer 3

Proglottid

Question 4

What are the sections of a tapeworm body called?

Answer 4

Stroblia

Question 5

What kind of life cycle do tapeworms usually have?

Answer 5

Indirect

Question 6

What animals are affected by taenia?

Answer 6

Carnivores and grazing animals

dogs are definitive host

Question 7

Where do adult tapeworms live?

Answer 7

In the intestines

Question 8

What is the taenia life cycle?

Answer 8

Canine ingests cyst containing scolex
adult tapeworm in intestines
eggs passed onto pasture
intermediate host ingests eggs
larvae migrate through intestinal mucosa

Question 9

what is the simplest tapeworm cyst called? and what is it?

Answer 9

cysticercus

singe scolex

Question 10

What is a fluid filled tapeworm cyst in germinal epithelium called?

Answer 10

Hydatid

Question 11

What is inside a hydatid?

Answer 11

Multiple scolices surrounded by fluid

Question 12

What is the common name for taenia?

Answer 12

Ribbon worm

Question 13

what is the name for the cyst in tapeworms?

Answer 13

metacestode

Question 14

What symptoms do taenia hydatigena cause?

Answer 14

Damage to liver as migrate through then form cysts

Question 15

What is the unarmed tapeworm called?

Answer 15

Taenia saginata

Question 16

What animal is the metcestode of taenia saginata in?

Answer 16

cows

Question 17

What type of metacestodes are taenia?

Answer 17

Cystercercus

Question 18

What type of metacetodes are echinococcus granulosus?

Answer 18

Hydatid

Question 19

What do echinococcus look like?

Answer 19

Tiny thin tapeworms with 3/4 proglottid segments

Question 20

What clinical symptoms does echinococcus granulosus cause?

Answer 20

liver and lung lesions

distended abdomen

Question 21

What are the hosts of echinococcus granulosus?

Answer 21

Fox/dog - definitive

most animals and humans - intermediate

Question 22

What are the hosts of echinococcus multicocularis?

Answer 22

fox/dog - definitive

rodents and humans- intermediate host

Question 23

What is the main tapeworm in horses?

Answer 23

Anoplocephala perfoliata

Question 24

Where are anoplocephala perfoliata located?

Answer 24

Ilio-caeco-colic junction

Question 25

What are the symptoms of anoplocephala perfoliata?

Answer 25

Ulceration, colic, intestinal obstruction

Question 26

What animal is the metacestode of anoplocephala perfoliata in?

Answer 26

oribatic foliage mites

Question 27

What is the most common tapeworm in dogs and cats?

Answer 27

cucumber seed tapeworm | dipylidium caninum

Question 28

What is the intermediate host of dipylidium caninum?

Answer 28

Ctenocephalides fleas and trichodectes lice

Question 29

What does dipylidium caninum cause in dogs and cats?

Answer 29

Anal discomfort | not very pathogenic

Question 30

What is a large tapeworm in cows and sheep?

Answer 30

Monezia expansa

Question 31

What is the intermediate host of monezia?

Answer 31

mites

Question 32

What does monezia cause?

Answer 32

Intestinal obstruction | not very pathogenic

Question 33

What is the clinical name for flukes?

Answer 33

Trematodes

Question 34

What is the clinical name for liver fluke?

Answer 34

Fasciola hepatica

Question 35

What animals do fasciola hepatica infect?

Answer 35

Cattle, sheep horses, rabbits, humans

Question 36

What is the intermediate host of fasciola hepatica?

Answer 36

snail | galba truncatula

Question 37

What is a cause for concern with liver fluke?

Answer 37

Increases susceptibility for other diseases black disease salmonella TB

Question 38

What is the life cycle of a liver fluke?

Answer 38

liver fluke in bile duct in liver Eggs passed in faeces Miracidium find snails a sporucyst forms in the snail then a redia forms and migrates to digestive gland then cercaria exits snail and swims through water these encyst on grass to become infectious metacercaria

Question 39

What is the mobile larvae of liver fluke called?

Answer 39

Miracidium

Question 40

What is the larval stage which migrates through the digestive gland called?

Answer 40

Redia

Question 41

What is the larval stage than can swim through water called?

Answer 41

Cercaria

Question 42

what is the infectious stage of liver fluke called?

Answer 42

Metacercaria

Question 43

What is massive hepatic haemorrhage called from liver fluke?

Answer 43

Acute fasciolosis

Question 44

What causes acute fasciolosis?

Answer 44

Ingestion of massive amounts of metacercaria

Question 45

How does liver fluke evade immune system?

Answer 45

Regularly sheds its outer tegument glycocalyx Also cathepsin-L cleaves immunoglobulins at hinge region eosinophils vulnerable

Question 46

What increases the epidemiology of liver fluke?

Answer 46

wet boggy areas

Question 47

How do you control fasciolosis?

Answer 47

Anthelmentics | drain boggy areas

Question 48

Where can liver fluke be found in humans?

Answer 48

Anterior chamber of the eye