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
Transtentorial herniation causes all except -a) Neck stiffnessb) Post cerebral artery infarct.c) Contralateral hemeiparesisd) 3rd Nerve palsy with contralateral pupillary dilatation 
Select and explain. 
A. b, B. ad, C. ac, D. ab
B: ad
Answer: B: ad 
Explanation: None