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: Medicine
Cranial nerve most commonly involved in posterior communicating aery aneurysm is: September 2012 
Select and explain. 
A. Oculomotor, B. Facial, C. Optic, D. Trigeminal
A: Oculomotor
Answer: A: Oculomotor 
Explanation: Ans. A i.e. Oculomotor