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
[{'content': 'All of the following aeries supply the first 2 cm of the duodenum, EXCEPT: \nSelect and explain. \nA. Supraduodenal aery, B. Common hepatic aery, C. Gastroduodenal aery, D. Superior pancreaticoduodenal aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The duodenum is supplied by the superior and inferior pancreaticoduodenal aeries, but the first 2 cm receive small branches from a variety of sources:Hepatic aeryCommon hepatic aeryGastroduodenal aerySuperior pancreaticoduodenal aeryRight gastric aeryRight gastroepiploic aeryThis area is clinically impoant because of ulceration. Ref: Lasts Anatomy Regional and Applied By Mcminn, 2003, Page 336.', 'role': 'assistant'}]