<prompt> Laryngeal spasm induced during intubation can be prevented by the following drugs exceptFentanylLocal anesthetic sprayRofecoxibDiltiazem  <response>: Reflex response bronchospasm, laryngospasm, BP, HR can be blunted by:- adequate depth of anaesthesia, opioids Fentanyl, sufentanil, IV lignocaine, Local xylocaine spray, β-blocker esmolol, Calcium channel blocker e.g. diltiazem. 