This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
True regarding Staphylococcal food poisoning is 
Select and explain. 
A. Caused by eating of dairy products, B. Caused by endotoxins, C. Caused by fishes, D. Associated with abnormal
A: Caused by eating of dairy products
Answer: A: Caused by eating of dairy products 
Explanation: Ans. is 'a' i.e., Caused by eating of dairy products o Staphylococcal enterotoxin are heat stable o Incubation periood -3 sho (1-6 hrs) because of preformed toxins