The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Secondary flare provides a marginal metal of:   (A) 10-20 degrees   (B) 30-40 degrees   (C) 140-150 degrees   (D) None of the above
['(B) 30-40 degrees <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 10-20 degrees \n (B) 30-40 degrees \n (C) 140-150 degrees \n (D) None of the above <> possible answers', '  Secondary flare provides a marginal metal of: <> context@']