This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
Drug of choice for fasciola hepatica: 
Select and explain. 
A. Praziquantel, B. Triclabendazole, C. Ivermectin, D. Albendazole
B: Triclabendazole
Answer: B: Triclabendazole 
Explanation: Ref Katzung, 14th ed. pg. 939* Drug of choice for all trematodes including blood flukes like schistosoma japonicum, mansoni &Hematobium and lung flukes paragonimus westermani is Praziquantel EXCEPT Liver fluke.* DOC for Liver fluke (fasciola Heaptica) - Triclabendazole/Bithionol