The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Patient's cross-infection with sensor, in digital radiography/RVG is prevented by   (A) Cover with autoclaved cloth with each use   (B) Wipe with ethyl alcohol in each patient   (C) Clean with 5.25% sodium hypochlorite in each patient   (D) Cover with impervious barrier
['(D) Cover with impervious barrier <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Cover with autoclaved cloth with each use \n (B) Wipe with ethyl alcohol in each patient \n (C) Clean with 5.25% sodium hypochlorite in each patient \n (D) Cover with impervious barrier <> possible answers', "  Patient's cross-infection with sensor, in digital radiography/RVG is prevented by <> context@"]