Cestodes And Trematodes

Question 1

What are the two feline tapeworms?

Answer 1

Taenia taeniaformis

Hydatigera taeniaeformis

Question 2

What is the most common tapeworm found in cats and dogs?

Answer 2

Dipyldium caninum

Question 3

What is the scientific name for the salmon poisoning fluke of dogs and what part part of the body does it inhabit?

Answer 3

Nanophyetus salmincola and it inhabits the small intestine.

Question 4

What kind of flukes are the Alaria species in dogs and cats?

Answer 4

Intestinal

Question 5

What is the scientific name for the lizard fluke and what parts of the body does it inhibit?

Answer 5

Platynosomum fastosum and they inhabit the liver, gallbladder, bile ducts and occasionally the small intestine.

Question 6

What is the asexual process in which tapeworms form segments called?

Answer 6

Strobilation

Question 7

The lifecycle of a tapeworm is always?

Answer 7

Indirect

Question 8

Which two tapeworms can infect dogs if they ingest infected ruminants?

Answer 8

Taenia hydatigena

Taenia ovis

Question 9

What do flatworms lack?

Answer 9

A body cavity

Question 10

How are trematodes described?

Answer 10

Unsegmented and leaflike

Question 11

What is the term used for a psuedotapeworm?

Answer 11

Cotyloda

Question 12

Dipyldium caninum lifecycle

Answer 12

Adult worm develops in small intestine 
Proglottids passed in feces
Proglottids found on feces and fur
Eggs ingested by flea
Larvae in flea develops
Infected flea ingested by dog

Question 13

What organs does each proglottid have?

Answer 13

Reproductive

Question 14

The eggs of the feline tapeworm resemble what species of tapeworm?

Answer 14

Echinococcus

Question 15

What do cestode eggs must be ingested by and what stage will they develop into?

Answer 15

Intermediate host to develop into the metacestode stage

Question 16

What is the term used for a true tapeworm?

Answer 16

Eucestodes

Question 17

Taenia sodium is found in what animal?

Answer 17

Pig

Question 18

Name the three parts of a tapeworm using the proper terminology

Answer 18

Scolex (head)
Neck
Body

Question 19

Scientific name for a commonly seen tapeworm with an egg basket?

Answer 19

Dipyldium caninum

Question 20

What does gravid mean?

Answer 20

Pregnant

Question 21

Which tapeworm can infect dogs when they ingest infected rabbits or hares?

Answer 21

Taenia pisiformis

Question 22

What type of agents is nanophyetus salmincola a vector for?

Answer 22

Rickettsial agents

Question 23

Oval trematode egg with one flat side.

Answer 23

Paragonimus kellicotti

Lung fluke

Question 24

What is the prepatent period for dipyldium caninum?

Answer 24

14-21 days

Question 25

What is the common name for a leaf like species of flukes seen in cats?

Answer 25

Lizard poisoning fluke

Question 26

What species of tapeworm is often overlooked by the client, the vet tech, and the vet due to its size?

Answer 26

Echinococcus

Question 27

Life cycle of T. pisiformis

Answer 27

Adult in dog intestines
Eggs proglottids passed in feces
Eggs ingested by rabbit
Hexacanth develops to cysticercus stage
Definitive host ingests intermediate host
Cysticercus matures to adult

Question 28

What is the intermediate host of Dipylidium caninum?

Answer 28

Flea

Question 29

What fluke is of the greatest economical importance?

Answer 29

Fasciola hepatica

Question 30

How many proglottids does the Echinococcus species have and what are they?

Answer 30

3
Immature
Mature
Gravid