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: Anatomy
The blood supply to inner ear is derived from: 
Select and explain. 
A. Superior cerebellar aery, B. Posterior inferior cerebellar aery, C. Middle cerebral aery, D. Anterior inferior cerebellar aery
D: Anterior inferior cerebellar aery
Answer: D: Anterior inferior cerebellar aery 
Explanation: D. i.e. Anterior inferior cerebellar aeryInternal ear derives its blood supply from labyrinthine (internal auditory) aery which is usually a branch of anterior inferior cerebellar aery or sometimes of basilar aery.