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': 'Drug of choice for anaphylactic shock ? \nSelect and explain. \nA. Adrenaline, B. Antihistaminic, C. Glucocoicoids, D. Epinephrine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Adrenaline o First adrenaline should be given im to raise the blood pressure and to dilate the bronchi. o If the treatment is delayed and shock has developed, adrenaline should be given i.v. by slow injection.", 'role': 'assistant'}]