A cephalosporin antibiotic that is administered IV may cause vessel irritation. Rotating the infusion site minimizes the risk of thrombophlebitis, so an alternate infusion site should be initiated (B) before administering the next dose. Rapid administration (A) of intravenous cephalosporins can potentiate vessel irritation and increase the risk of thrombophlebitis. (C) is not necessary to initiate an alternative IV site. Although aspirin has antiinflammatory actions, (D) is not indicated.Correct Answer: B