This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Hypertensive, Subject name: Pharmacology
Which of the following is a cerebro selective calcium channel blocker? 
Select and explain. 
A. Nimodipine, B. Ziconotide, C. Verapamil, D. Diltiazem
A: Nimodipine
Answer: A: Nimodipine 
Explanation: Ans. (a) NimodipineRef KDT 6/e, p 172