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: Pharmacology
[{'content': 'Ketamine should be avoided in - \nSelect and explain. \nA. The presence of increased aerial pressure, B. Pregnancy, C. Hypovolemic shock, D. Asthmatic', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., The presence of increased aerial pressure `Ketamine increases BP and intracranial tension, it therefore should be avoided in hypeension and in the presence of raised ICT.'", 'role': 'assistant'}]