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
Major clinical use of nimodipine is in: 
Select and explain. 
A. Raynaud's phenomenon, B. Hypertension, C. Angina, D. Subarachnoid haemorrhage
D: Subarachnoid haemorrhage
Answer: D: Subarachnoid haemorrhage 
Explanation: Nimodipine:  
It is a short-acting DHP which penetrates blood-brain barrier very efficiently due to high lipid solubility and has high affinity for the cerebral blood vessels. 
It is believed to selectively relax cerebral vasculature and is approved for prevention and treatment of neurological deficit due to cerebral vasospasm following subarachnoid haemorrhage or ruptured congenital intracranial aneurysms. 
Side effects are headache, flushing, dizziness, palpitation and nausea. 
Reference: Essentials of Medical Pharmacology Eighth Edition KD  TRIPATHI  page no 596