Lecture 5-Echinococcus

Question 1

Class of Echinococcus

Answer 1

Cestoidea

Question 2

Phylum of Echinococcus

Answer 2

Platyhelminthes

Question 3

does it have a digestive tract?

Answer 3

no

Question 4

separate sexes?

Answer 4

no

Question 5

commonly known as ____

Answer 5

tapeworms

Question 6

name the 2 species we are studying

Answer 6

E. multilocularis and E. granulosus

Question 7

Where can you find E. granulosus?

Answer 7

anywhere in the world

- agricultural

Question 8

Where can you find E. multilocularis?

Answer 8

holartic regions (northern)

Question 9

Where do adults live?

Answer 9

intestinal lumen

Question 10

Where do hydatids live?

Answer 10

tissues

Question 11

What are calcareous corpuscles?

Answer 11

blebs of Ca that is used by parasite to buffer waste products and evade immune system

Question 12

Which species has multilocular cyst?

Answer 12

E. multilocularis

Question 13

What is the main intermediate host of E. multilocularis?

Answer 13

rodents

Question 14

Main intermediate hosts of E. granulosus

Answer 14

domestic animals, deer, marsupials

Question 15

Factors affecting transmission (x4)

Answer 15

• environment
• host availability
• demographics
• mode of transmission

Question 16

where in the host does a unilocular hydatid usu. go?

Answer 16

liver, lungs

Question 17

where in the host does a multilocular hydatid usu. go?

Answer 17

liver

Question 18

What drug is used to treat definitive host?

Answer 18

praziquintel

Question 19

what is the treatment for intermediate host?

Answer 19

• drug therapy
• immunotherapy
• surgey

Question 20

Is surgery viable for E. multilocularis cyst?

Answer 20

not really