The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which induction anaesthetic agent has antiemetic effect?   (A) etomidate   (B) propofol   (C) thiopentone   (D) ketamine
['(B) propofol <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) etomidate \n (B) propofol \n (C) thiopentone \n (D) ketamine <> possible answers', '  Which induction anaesthetic agent has antiemetic effect? <> context@']