Which one belongs to chronic inflammation() A: London smog incident B: asthmatic attack C: Photochemical smog incident D: Bphopal disaster

Drug X is used in the treatment of cardiac arrhythmias. It is not recommended for use in asthmatic patients because of effects on certain adrenoceptors. This drug is probably A: procainamide B: propranolol C: quinidine D: lidocaine E: phenytonin