Liver Fluke Flashcards
What is the common name of Fasciola hepatica?
The common name of Fasciola hepatica is liver fluke or sheep liver fluke.
What is the disease caused by Fasciola hepatica called?
The disease caused by Fasciola hepatica is called fascioliasis.
Where does Fasciola hepatica live in the host?
Fasciola hepatica lives in the liver and bile duct of the host.
What is the infective form of Fasciola hepatica for humans?
The infective form of Fasciola hepatica for humans is the metacercaria larva.
What are the principal definitive hosts of Fasciola hepatica?
The principal definitive host of Fasciola hepatica is sheep. Other definitive hosts include goats, cattle, and humans.
What is the first intermediate host in the life cycle of Fasciola hepatica?
The first intermediate host in the life cycle of Fasciola hepatica is the amphibian snail (Genus: Lymnaea).
What are the symptoms of the acute phase of fascioliasis?
The symptoms of the acute phase of fascioliasis include fever, right upper quadrant pain, hepatomegaly, and eosinophilia.
What is the drug of choice for treating fascioliasis?
The drug of choice for treating fascioliasis is Triclabendazole.
How can fascioliasis be prevented?
Fascioliasis can be prevented by:
1. Avoidance of consumption of raw water plants and cleaning them before use.
2. Control of snails.
3. Health education.
4. Treatment of infected persons.
What is the difference between Fasciola hepatica and Fasciola gigantica in terms of their intermediate hosts?
The difference is that the first intermediate host for Fasciola hepatica is an amphibian snail, while for Fasciola gigantica, it is an aquatic snail.
What is the condition called when ingestion of raw liver from infected sheep causes pharyngeal symptoms?
The condition is called halzoun (meaning suffocation), where adult worms attach to the pharyngeal mucosa, causing symptoms like dyspnea, dysphagia, and rarely, asphyxiation.
What is the term used when Fasciola eggs are found in stool due to ingestion of contaminated liver?
The term is false fascioliasis (pseudofascioliasis), which refers to the presence of Fasciola eggs in the stool due to recent ingestion of contaminated liver containing noninfective eggs.
