The following are multiple choice questions (with answers) about medical knowledge.   **Question:** When it is made up of same steel, size 55, which will be more prone to fracture:   (A) Triangular reamer   (B) Rhomboid cross section file   (C) Square cross section file   (D) Headstrom file
['(D) Headstrom file <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Triangular reamer \n (B) Rhomboid cross section file \n (C) Square cross section file \n (D) Headstrom file <> possible answers', '  When it is made up of same steel, size 55, which will be more prone to fracture: <> context@']