The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Percentage of surgical site infection in patients with clean contaminated wound after prophylactic antibiotic?   (A) 1-2%   (B) <10%   (C) 10-20%   (D) 20-30%
['(B) <10% <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 1-2% \n (B) <10% \n (C) 10-20% \n (D) 20-30% <> possible answers', '  Percentage of surgical site infection in patients with clean contaminated wound after prophylactic antibiotic? <> context@']