Trematodes (Fasciola hepatica) (Fasciola gigantica)

Question 1

Common name of Fasciola hepatica

Answer 1

Sheep liver fluke

Question 2

True or False: Man is an accidental host of Faciola hepatica

Answer 2

True

Question 3

Infective stage of Fasciola hepatica

Answer 3

Metacercaria

Question 4

Diagnostic stage of Fasciola hepatica

Answer 4

Eggs in stool of man / final host

Question 5

Final host of Fasciola hepatica

Answer 5

Cattle

Question 6

Mode of transmission of Fasciola hepatica

Answer 6

ingestion of metacercaria from second intermediate host (aquatic vegetation)

Question 7

Life span of Fasciola hepatica

Answer 7

9 to 13 years

Question 8

Habitat of Fasciola hepatica

Answer 8

Biliary ducts of liver

Question 9

1st intermediate host of Fasciola hepatica

Answer 9

Snail (Lymnea philippinensis

Question 10

2nd intermediate host of Fasciola hepatica

Answer 10

Kangkong (Ipomea obscura), Water cress (Nastrutium officinale)

Question 11

In the Acute stage, what is the pathology caused by Fasciola hepatica?

Answer 11

Juvenile flukes can cause traumatic damage to intestinal wall and liver parenchyma causing necrotic lesions

Question 12

Symptoms of the Acute stage of Fasciola hepatica

Answer 12

high fever, hepatomegaly, marked EO

Question 13

What is False fasciolopsis

Answer 13

Ingestion of infected raw liver with eggs. Eggs pass through the body but does not hatch.

Question 14

Suffocation due to temperature lodgement of worms in pharynx from eating half-cooked livers / raw of goat and sheep

Answer 14

Halzoun

Question 15

Pathology in the Chronic stage of Fasciola hepatica

Answer 15

Obstruction of vessels leading to liver cirrhosis (common form of liver cancer)

Question 16

Diagnosis of Fasciola hepatica

Answer 16

Sedimentation of stool, Surgical recovery of worms, X-Ray, and PCR

Question 17

Drug of choice (Treatment) of Fasciola hepatica

Answer 17

30-50 mg/kg of Bithionol

Question 18

Common preventive measures of Fasciola hepatica

Answer 18

1. Wash and cook vegetables well
2. Eliminate snail host
3. Kill parasites in reservoir host (goats and cattles)

Question 19

Uterus of Fasciola hepatica

Answer 19

Coiled

Question 20

Intestinal ceca of Fasciola hepatica

Answer 20

long and branched

Question 21

Tegument of Fasciola hepatica

Answer 21

minute spines

Question 22

With or Without: Conical projection / cephalic cone

Answer 22

With

Question 23

With or Without: Prominent shoulders

Answer 23

With

Question 24

Oral suckers are ___ Ventral suckers of Fasciola hepatica

>, =, <

Answer 24

=

Question 25

Testis of Fasciola hepatica

Answer 25

2 Branched

Question 26

Ovary of Fasciola hepatica

Answer 26

Dendritic (Small branches that are further branched

Question 27

Egg of Fasciola hepatica

Answer 27

Very big, oval yellowish brown color. Immature when laid.

Question 28

Common name of Fasciola gigantica

Answer 28

Giant liver fluke

Question 29

Cephalic zone of Fasciola gigantica is _____ than Fasciolla hepatica (Shorter, equal to, longer)

Answer 29

Shorter

Question 30

True or False: The shoulders of Fasciola gigantica is less prominent that Fasciola hepatica

Answer 30

True

Question 31

Oral suckers are ___ Ventral suckers of Fasciola gigantica

>, =, <

Answer 31

>

Question 32

The shape of Fasciola gigantica

Answer 32

Lancet-shaped; longer

Question 33

Intestinal ceca of Fasciola gigantica

Answer 33

Long and more branched

Question 34

Ovary of Fasciola gigantica

Answer 34

Branched and more in number

Question 35

Egg of Fasciola gigantica

Answer 35

Very big, oval, yellowish brown. Immature.

Question 36

Testes of Fasciola gigantica

Answer 36

2 Branched

Question 37

Tegument of Fasciola gigantica

Answer 37

Aspinous (smooth)