All of the following aeries supply the first 2 cm of the duodenum, EXCEPT?: (A) Supraduodenal aery, (B) Common hepatic aery, (C) Gastroduodenal aery, (D) Superior pancreaticoduodenal aery
Answer is A. 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.