The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Thirty-eight children consumed eatables procured from a single source at a picnic party. Twenty children developed abdominal cramps followed by vomiting and watery diarrhea 6-10 hours after the party. The most likely etiology for the outbreak is:   (A) Rotavirus infection   (B) Enterotoxigenic E.coli infection   (C) Staphylococcal toxin   (D) Clostridium perfringens infection
['(D) Clostridium perfringens infection <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Rotavirus infection \n (B) Enterotoxigenic E.coli infection \n (C) Staphylococcal toxin \n (D) Clostridium perfringens infection <> possible answers', '  Thirty-eight children consumed eatables procured from a single source at a picnic party. Twenty children developed abdominal cramps followed by vomiting and watery diarrhea 6-10 hours after the party. The most likely etiology for the outbreak is: <> context@']