The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Using stopko tip irrigation which of these is used cleaning and drying of pulp chamber:   (A) 5.25% NaOCl + 17% EDTA   (B) 95% alcohol+17% EDTA   (C) 5.25 NaOCl+17% CHX   (D) 95% ethanol + 17% EDTA
['(D) 95% ethanol + 17% EDTA <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 5.25% NaOCl + 17% EDTA \n (B) 95% alcohol+17% EDTA \n (C) 5.25 NaOCl+17% CHX \n (D) 95% ethanol + 17% EDTA <> possible answers', '  Using stopko tip irrigation which of these is used cleaning and drying of pulp chamber: <> context@']