The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Distance of the blade from the shank to have antirotational stability of the instrument?   (A) 2 mm   (B) 3 mm   (C) 4 mm   (D) 5 mm
['(A) 2 mm <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 2 mm \n (B) 3 mm \n (C) 4 mm \n (D) 5 mm <> possible answers', '  Distance of the blade from the shank to have antirotational stability of the instrument? <> context@']