The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The shape of the occlusal surface of the permanent maxillary first molar is:   (A) Oval   (B) Trapezoidal   (C) Triangular   (D) Rhomboidal
['(D) Rhomboidal <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Oval \n (B) Trapezoidal \n (C) Triangular \n (D) Rhomboidal <> possible answers', '  The shape of the occlusal surface of the permanent maxillary first molar is: <> context@']