The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The lag phase of tooth movement usually lasts for:   (A) 2-3 mins   (B) 2-3 hrs   (C) 2-3 day   (D) 2-3 weeks
['(D) 2-3 weeks <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 2-3 mins \n (B) 2-3 hrs \n (C) 2-3 day \n (D) 2-3 weeks <> possible answers', '  The lag phase of tooth movement usually lasts for: <> context@']