Airway innervation, mallampati airway classification, difficult maskventilation, turbulent flow, aveolar gas equation, endobronchial intubation, HPV, asthma, leokotriene inh, complication bronchial blocker, difficult airway, epidural anesthesia, laryngospasm, abg values, acromegaly, myasthenia gravis and postop vent, trali, airway fire prevention, capnothorax