4.1.1 Flukes (Trematodes, General)

Question 1

All trematodes (Except Schistosoma which is a blood fluke) are ______________

Answer 1

hermaphrodite meaning it has male and female sexual organ

Question 2

Definitive host for Trematodes?

Answer 2

Man

Question 3

All Trematodes requires 1st and 2nd IH

T or F

Answer 3

T

Question 4

All trematodes has a 1st IH animal which is a?

Answer 4

Snail

Question 5

Infective stage for all trematodes?

Answer 5

Metacercaria

Question 6

Metacercaria:

What are the trematodes that has 2nd IH with Water plants?

Answer 6

Fasciolopsis and Faciola

FF

Question 7

Metacercaria:

What are the trematodes that has 2nd IH with Fish?

Answer 7

Heterophyes and Clonorchis

Question 8

Metacercaria:

What are the trematodes that has 2nd IH with Crab/Crayfish?

Answer 8

Paragonimus

Question 9

MOT for all trematodes?

Answer 9

Ingestion

Question 10

All eggs for trematodes are ________

Answer 10

Opercular

Question 11

All trematodes have ___ suckers except ___________

Answer 11

2 suckers (Oral and Ventral)

H. heterphyes

Question 12

All trematodes are LEAF like except?

Answer 12

Schistosoma

Question 13

Life cycle of Trematodes:

Adult worm lays egg on feces of sputum. The egg later develop in the _____ which became a _________ (Ciliated larvae). This ciliated larvae penetrates to the _______ to become ________ which then develop into ________ and then _________. After development, it leaves the animal and encyst to become ________

Answer 13

Water, Miracidium, snail, sporocyst, rediae, cercaria, Metacercaria

MrSRCMeta

Question 14

What are Trematodes that lays egg when mature?

Answer 14

Schistosoma
Heterophyes
Opistorchis
Clonorchis

SHOC

Question 15

IMMATURE Trematodes when they lay eggs

Answer 15

Facisola
Fascilopsis
Paragonimus
Echinostoma

FFPE