Question

Fasciola hepatica is
A. Ectoparasite
B. Monogenetic endoparasite
C. Digenetic endoparasite
D. Incidental parasite

Answer 1

Hint: Fasciola hepatica belongs to the phylum Platyhelminthes and it belongs to class Trematode, it is commonly called common liver fluke worm or sheep liver fluke, It attacks the livers of various organisms including the humans.

Complete answer:
It is the largest fluke in the world, where it has a length of 30mm and a diameter of 13 mm and it is leaf-shaped and pointed at the back and wide in the front.
The outer surface of the fluke is called a tegument.
And it consists of two suckers, located both anteriorly and posteriorly.
When coming to the life cycle of Fasciola hepatica, it completes its life cycle mainly in two hosts, the first one is a vertebrate host or sheep and the second one is an intermediate host or secondary host which is invertebrate, such as gastropod molluscan.
The adult form of the fasciola hepatica is seen in the vertebrate host and larval stages are seen in the invertebrate host and it mainly lives in the bile duct of the sheep.
That is the reason why the fasciola hepatica is called a digenetic endoparasite.
When coming to symptoms of fasciola hepatica are that blocking of the bile duct, hepatomegaly, fever, and abnormalities in the liver test is observed.
When coming to diagnosis it can be identified by the stool examination.
To prevent the infection with this parasite, one should avoid eating the raw food, and proper sanitation should be maintained.

Hence, the correct option: C. Digenetic endoparasite.

Note:
The treatment for Fascioliasis is there and the disease is treated with anthelmintic drugs and for this infection the drug of choice is triclabendazole and it is given by the mouth, whereby taking two doses itself relieves the symptoms.