The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Odontoblastic layer’s cell size:   (A) Directly depends on no. of dentinal tubules   (B) Tall columnar in crown   (C) Squamous in apical portion   (D) All of the above
['(D) All of the above <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Directly depends on no. of dentinal tubules \n (B) Tall columnar in crown \n (C) Squamous in apical portion \n (D) All of the above <> possible answers', '  Odontoblastic layer’s cell size: <> context@']