MCQ 5 A 60-year-old male presents with severe abdominal pain due to a perforated duodenal ulcer. The ulcer is found on the posterior wall of the first part of the duodenum. Which artery is most likely at risk of erosion? A) Common hepatic artery B) Gastroduodenal artery C) Right gastric artery D) Splenic artery Answer: B) Gastroduodenal artery Explanation: The gastroduodenal artery runs posterior to the first part of the duodenum, making it highly susceptible to erosion by a posterior duodenal ulcer. Erosion of this artery can lead to massive upper gastrointestinal bleeding, presenting as hematemesis or melena.
