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
The major clinical use of Nimodipine is in 
Select and explain. 
A. Hypeension, B. Angina pectoris, C. Sub arachnoid haemorrhage, D. Raynouds phenomenon
C: Sub arachnoid haemorrhage
Answer: C: Sub arachnoid haemorrhage 
Explanation: 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.