Trematodes

Question 0

What’s the class for Trematodes

Answer 0

Trematoda

Question 1

What is the phylum for Trematodes

Answer 1

Platyhelminthes

Question 2

How do you further divide the class Trematoda

Answer 2

Monogenic and digenetic

Question 3

What are Trematodes considered

Answer 3

Flukes

Question 4

What is the general shape of Trematodes

Answer 4

Flattened dorsoventrally

Question 5

What is the shape is Trematodes

Answer 5

Leaves

Question 6

Do Trematodes have segments

Answer 6

No

Question 7

What are monogenetic Trematodes considered

Answer 7

Ectoparasites

Question 8

What do monogenetic Trematodes inhabit

Answer 8

Fish, reptiles and amphibians

Question 9

How do monogenetic Trematodes attach

Answer 9

Gills, fins, mouth and skin

Question 10

What is a digenetic Trematodes

Answer 10

Parasitic mammals.

Question 11

Why are digenetic Trematodes considered

Answer 11

Endoparasites

Question 12

What do schistosomas resemble

Answer 12

A tongue

Question 13

Describe the morphology of digenetic Trematodes

Answer 13

Have no body cavity like cestodes

Question 14

How do digenetic Trematodes attach

Answer 14

By a ventral sucker called acetabulum

Question 15

What do the 2 blind ceca do from the digenetic Trematodes

Answer 15

End of digestive tract that Empties into the host by means of fluke puke

Question 16

Describe the acetabulum

Answer 16

Tiny spines which face backwards enabling them to attach themselves

Question 17

Describe the sexual reproduction of Trematodes

Answer 17

They’re all hermaphroditic except for schistosomas

Question 18

Describe the Trematodes life cycle

Answer 18

Eggs, embryonate in the environment, contact with water

Question 19

What happens to Trematodes when they make contact with water

Answer 19

Hatches and makes the motile stage.

Question 20

What are the motile stage of Trematodes

Answer 20

Miracidium

Question 21

What do the Miracidium do when hatched

Answer 21

Swim to a snail

Question 22

What do Miracidium develop into

Answer 22

Sporocyst

Question 23

What is a Sporocyst

Answer 23

Sack containing many redia

Question 24

What is inside a redia

Answer 24

Cercariae

Question 25

Why does the Cercarial stage have

Answer 25

Has a tail, to allow swimming

Question 26

What are the three options for cercariae once he is out of the snail

Answer 26

Penetrate the skin Attach to vegetation and encyst Penetrate a second incidental host

Question 27

When the cercariae exits the snail how does it penetrate the host and cost

Answer 27

Swimmers itch. Duck is definitive host. does not develop further in humans.

Question 28

Where does s. Mansoni normally end up

Answer 28

Intestine

Question 29

What is an abhorrent migration

Answer 29

When a parasite migrates to the wrong place

Question 30

What is metacercaria

Answer 30

When the Vegetation is ingested by definitive host

Question 31

What happens when the Metacercaria is digested

Answer 31

Assist is digested releasing a juvenile fluke. Migrates to its preferred site and becomes an adult

Question 32

What is the preferred site for most trematodes

Answer 32

G.I. tract

Question 33

What is the one trematode that does not live in the gastrointestinal tract

Answer 33

Paragonimus kellicotti which lives in the lungs

Question 34

Where do most schistosomes live

Answer 34

In the circulatory system

Question 35

What is the one shistosome that doesn't live in the circulatory system

Answer 35

Shistosoma mansoni which lives in GI tract

Question 36

what is platynosomum fastosum

Answer 36

Lizard poisoning fluke

Question 37

What is the first intermediate host of the platynosomum fastosum

Answer 37

Land snail

Question 38

What is the second intermediate host of platynosomum fastosum

Answer 38

Lizard

Question 39

Describe the organs where the lizard poisoning fluke lives

Answer 39

Liver, gallbladder, bile ducts

Question 40

What are the symptoms of lizard poisoning fluke

Answer 40

Jaundice, vomiting, diarrhea, death

Question 41

What is an operculum

Answer 41

An opening

Question 42

What is nanophyetus salmincola

Answer 42

The salmon poisoning fluke in BC. It is the smallest fluke of domesticated animals.

Question 43

What is the first intermediate host of nanophyetus salmincola

Answer 43

Snail

Question 44

What is the second intermediate host of nanophyetus salmincola

Answer 44

Salmon

Question 45

How do you get nanophyetus salmincola

Answer 45

From eating uncooked salmon.

Question 46

What is the largest fluke of domesticated animals

Answer 46

Fasciolitis magma

Question 47

Where does nanophyetus salmincola live

Answer 47

Small intestine

Question 48

What is the first intermediate host of Alaria

Answer 48

Snail

Question 49

What is the second intermediate host of Alaria

Answer 49

Frog, snake, mouse

Question 50

Where does alaria live

Answer 50

In the intestine

Question 51

What is paragonimus kellicotti

Answer 51

Lung fluke

Question 52

What is the first intermediate host of paragonimus kellicotti

Answer 52

Snail

Question 53

What is the second intermediate host of paragonimus kellicotti

Answer 53

Crayfish

Question 54

How is paragonimus kellicotti diagnosed

Answer 54

Fecal sedimentation or flotation

Question 55

What is heterobilharzia Americana

Answer 55

Canine schistosome. Found in the Gulf states of US. Enter via the skin.

Question 56

What is the intermediate host of heterobilharzia Americana

Answer 56

Snail

Question 57

Where is heterobilharzia Americana found in the body

Answer 57

In the mesenteric vein of the intestine and the portal vein.

Question 58

What do heterobilharzia Americana cause

Answer 58

Bloody diarrhea, necrosis, initiation, anorexia

Question 59

What is a miricidum

Answer 59

A larva that is already ready and has no hatching required

Question 60

How do you diagnose heterobilharzia Americana

Answer 60

Fecal sedimentation