This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Epidemic dropsy- 
Select and explain. 
A. Aflatoxins, B. Sanguinarine, C. Monooxylates, D. Claviceps
B: Sanguinarine
Answer: B: Sanguinarine 
Explanation: Epidemic dropsy is caused my argemone oil containing the toxic alkaloid sanguinarine.This toxic substance interfere with the oxidation of pyruvic acid which accumulates in the blood.(Ref.PARK'S textbook of social and preventive medicine 21st edition page.no.608)