This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
Medulla oblongata is supplied by the following aeries, except 
Select and explain. 
A. Anterior spinal aery, B. Bulbar aery, C. Basilar aery, D. Posterior inferior cerebellar aery
B: Bulbar aery
Answer: B: Bulbar aery 
Explanation: Blood to the medulla is supplied by a number of aeries:Anterior spinal aery: This supplies the whole medial pa of the medulla oblongata.Posterior Spinal aeryPosterior inferior cerebellar aery: This is a major branch of the veebral aery, and supplies the posterolateral pa of the medulla, where the main sensory tracts run and synapse. It also supplies pa of the cerebellum.Direct branches of the veebral aery: The veebral aery supplies an area between the other two main aeries, including the solitary nucleus and other sensory nuclei and fibers.Basilar aery(Ref: Vishram Singh textbook of clinical neuroanatomy, second edition pg-77)