This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Social & Preventive Medicine
In Epidemic dropsy disease, toxin is:- 
Select and explain. 
A. Ergot toxin, B. Sanguinarine, C. BOAA, D. Alkaloids
B: Sanguinarine
Answer: B: Sanguinarine 
Explanation: Epidemic dropsy It is caused by contamination of mustard oil with 'Argemone oil'. Sanguinarine is the alkaloid toxin contained in argemone oil. The symptoms of epidemic dropsy consist of sudden,non-inflammatory, bilateral swelling of legs, often associated with diarrhoea, dyspnea, cardiac failure & death may follow. Some patients may develop glaucoma. The disease may occur at all ages except breast-fed infants. Moality varies from 5-50 per cent.