The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Optimum BMP dose for osteogenesis is:   (A) 50 μg/mL   (B) 2.5 μg/mL   (C) 100 μg/mL   (D) 100 μg/mL
['(A) 50 μg/mL <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 50 μg/mL \n (B) 2.5 μg/mL \n (C) 100 μg/mL \n (D) 100 μg/mL <> possible answers', '  Optimum BMP dose for osteogenesis is: <> context@']