<prompt> In status asthmaticus, anesthetic agent used as bronchodilator:-MorphineThiopentone sodiumKetamineHalothane  <response>: Morphine - Morphine depresses respiratory center in a dose dependent manner Rate Tidal volume In healthy individuals - no cognizable respiratory depression MARKED DEPRESSION In patients with: Asthma COPD Corpulmonalae Lungs and kidney Disease THIOPENTONE SODIUM -decreases respiratory rate KETAMINE: Bronchodilation best IV anesthetic against causing bronchodilation Airway reflexes are maintained Respiratory center is not depressed. dt sympathetic stimulation the following are observed: HR CO BP Agent of choice in: Shock duetoo the sympathetic stimulation bronchial asthmaas it causes bronchodilation HALOTHANE - causes bronchodilation. Best inhalational bronchodilator followed by sevoflurane 