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 posterior gastric artery is a branch of - 
Select and explain. 
A. Left gastric artery, B. Right gastric artery, C. Splenic artery, D. Hepatic artery
C: Splenic artery
Answer: C: Splenic artery 
Explanation: The posterior gastric artery is an unusual branch of splenic artery arising from mid third of the splenic artery.