This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'The major clinical use of Nimodipine is in \nSelect and explain. \nA. Hypeension, B. Angina pectoris, C. Sub arachnoid haemorrhage, D. Raynouds phenomenon', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer kDT 6/e p532 subarachnoid hemorrhage USES: Nimodipine is used to decrease problems due to a ceain type of bleeding in the brain (subarachnoid hemorrhage-SAH).Nimodipine is called a calcium channel blocker. The body naturally responds to bleeding by narrowing the blood vessel to slow blood flow.', 'role': 'assistant'}]