This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
[{'content': 'All of the following are the disadvantages of anesthetic ether, except \nSelect and explain. \nA. Induction is slow, B. Irritant nature of ether increases salivary and bronchial secretions, C. Cautery cannot be used, D. Affects blood pressure and is liable to produce arrhythmias', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ether has high blood solubility (high blood : gas partition coefficient) → induction is slow.\nIt is irritant in nature and increases salivary & respiratory secretions.\nBlood pressure is maintained because of reflex stimulation and high sympathetic tone. It does not sensitizes the heart to arrhythmogenic action of adrenaline\nIt is highly inflammable, cautery should not be used.', 'role': 'assistant'}]