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: Unknown
Blood supply of the tonsil is all except: 
Select and explain. 
A. Ascending pharyngeal Artery, B. Sphenopalatine artery, C. Facial artery, D. Descending palatine artery
B: Sphenopalatine artery
Answer: B: Sphenopalatine artery 
Explanation: Arterial supply of tonsil.