The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Difference between physical characteristic of reamers and files is:   (A) The cross-section of reamers in square and files are triangular in cross-section   (B) The number of flutes on the blade are more in files than in reamers   (C) The reamers have more flutes in the blade   (D) Files have two superficial grooves to produce flutes in a double helix design
['(B) The number of flutes on the blade are more in files than in reamers <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) The cross-section of reamers in square and files are triangular in cross-section \n (B) The number of flutes on the blade are more in files than in reamers \n (C) The reamers have more flutes in the blade \n (D) Files have two superficial grooves to produce flutes in a double helix design <> possible answers', '  Difference between physical characteristic of reamers and files is: <> context@']