This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthesia, Subject name: Pharmacology
[{'content': 'Ketamine is the preferred anaesthetic for the following EXCEPT: \nSelect and explain. \nA. Hypeensives, B. Trauma cases that have bled significantly, C. Burn dressing, D. Sho operations on asthmatics', 'role': 'user'}, {'content': 'Answer: A \nExplanation: * Ketamine is contra-indicated in hypeensives because it increases the blood pressure. * It is the induction agent of choice for: -- Asthmatics -- Shock -- Children -- Full stomach * It possesses very powerful analgesic action. * It can be used as a sole agent for minor procedures.', 'role': 'assistant'}]