Preferred time forprophylacticantibiotic administration for surgery?
Ans is C i.e. At the time of induction of anaesthesia "The appropriate antibiotic is chosen before surgery and administered before the skin incision is made."-Sabiston 18/e
1 day befor surgery
I.M. 6 hrs before surgery
At the time of induction of anaesthesia
I.V. during surgery