This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy, Subject name: Anatomy
Cerebellum 
Select and explain. 
A. Axons of the Purkinje cells are the efferents from the cerebellar cortex, B. All its arteries are derived from vertebral artery, C. Inferior cerebellar peduncle is the most medial of the peduncles entering through the anterior cerebellar notch, D. Dentate nucleus is the largest and phylogenetically oldest of its nuclei
A: Axons of the Purkinje cells are the efferents from the cerebellar cortex
Answer: A: Axons of the Purkinje cells are the efferents from the cerebellar cortex 
Explanation: (A) Axons of the Purkinje cells are the efferents from the cerebellar cortex> Output from cerebellum is solely from Purkinje cells.