The following are multiple choice questions (with answers) about medical knowledge.   **Question:** White flecks yellow or brown spots on surface of teeth covering, giving papery white appearance   (A) Mottled enamel   (B) Incipient caries   (C) Dental stains   (D) Smooth caries
['(A) Mottled enamel <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mottled enamel \n (B) Incipient caries \n (C) Dental stains \n (D) Smooth caries <> possible answers', '  White flecks yellow or brown spots on surface of teeth covering, giving papery white appearance <> context@']