Surgery In case elective surgery of Ca sigmoid colon, which of the following should be done – A Mechanical bowel wash B Broad spectrum antibiotic given 48 hours before operation C Broad spectrum antibiotic at the time of operation D All of the above 💡 Explanation In case elective surgery of Ca sigmoid colon, which of the following should be done - ✓ Correct Answer: C. Broad spectrum antibiotic at the time of operation