tapeworms

Question 1

what is another term for tapeworms?

Answer 1

cestodes

Question 2

where are cestode eggs passed?

Answer 2

in the feces of definitive host

Question 3

what is the infective stage of the cestodes?

Answer 3

metacestode
-larval stage infective and ingested by definitive host
-may cause damage

Question 4

adult tapeworm that primarily infect dogs and wild canids (esp farm dogs)

Answer 4

taenia hydatigena

Question 5

tape worm that intermediate host of domestic and wild ruminants and swine

Answer 5

taenia hydatigena

Question 6

what is the predilection site of Tania hydatigena

Answer 6

immature larve migrante to the liver, tunnels through parenchyma to abdominal cavity, encysts as metacestode on peritoneal membranes

Question 7

Tx for taenia hydatigena

Answer 7

prazi for dogs and sheep

Question 8

adult worms that primarily infect cats and wild felids

Answer 8

taenia taeniaformis

Question 9

Dx for taenia hydatigena

Answer 9

ultrasound

Question 10

taenia taeniaeformis intermediate host

Answer 10

rodent and rabbits (rarely)
-develops metacestodes in liver

Question 11

can cause intestinal impaction

Answer 11

taenia taeniaeformis

Question 12

adult worms primarily infect dogs and wild canids (most common US dog)

Answer 12

taenia pisiformis

Question 13

intermediate host: rabbits and hares

Answer 13

taenia pisiformis

Question 14

adult worms infect dogs and wild canids and has the highest incidents in sheep-raised areas of western states

Answer 14

echinococcus granulosus

Question 15

intermediate hosts: domestic and wild ruminants, pigs, camelids, kangaroos and wallabies

Answer 15

echinococcus granulosus

Question 16

metacestode (hydatid cyst) in liver (primarily) and lungs

Answer 16

echinococcus granulosus

Question 17

zoonotic hydatid disease that is important sheep-raising regions of the world

Answer 17

echinococcus granulosus

Question 18

adult worms that infect SI of dogs, cats, wild canids and felids

Answer 18

dipylidium caninum

Question 19

what is the intermediate host of dipylidium caninum

Answer 19

fleas and chewing lice

Question 20

adult worms in the SI of sheep (primarily), goats, cattle, other ruminants

Answer 20

moniezia expansa

Question 21

adult worms in SI of cattle (primarily), sheep, goats, other ruminants

Answer 21

moniezia benedeni

Question 22

treatment for moniezia species

Answer 22

fenbendazole
albendazole
oxfendazole

Question 23

adult worms in bile and pancreatic ducts, duodenum of sheep (primarily), goats, cattle, other ruminants

Answer 23

thysanosoma actinioides

Question 24

adult worms in SI in equids

Answer 24

anaplocephala magna

Question 25

adult worms in the cecum and distal ileum in equids

Answer 25

anaplocephala perfoliata

Question 26

what tapeworm is associated with colic

Answer 26

anaplocephala perfoliata

Question 27

adult worms in SI of piscivorous mammals (mainly northern hemisphere)- associated with freshwater lakes, rivers, and streams primary impact: dogs and cats

Answer 27

dibothriocephalus latus

Question 28

life cycle of dibothriocephalus latus (all hosts)

Answer 28

first intermediate host: copepod crustacean second intermediate host: small fish paratenic host: predatory fish

Question 29

adult worms in SI of cats and wild felids, canids, other carnivores primary impact: cats and dogs

Answer 29

spirametra mansonoides

Question 30

what stage of spirometra mansonoides zoonotic

Answer 30

metacestode stage

Question 31

life cycle of spirometra mansonoides (all hosts)

Answer 31

first intermediate host: copepod crustacean second intermediate host: non-fish vertebrae paratenic host: predator of 2nd intermediate host