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: ENT
Ali of the following are true about Zenker's diveiculum except: 
Select and explain. 
A. It is an acquired condition, B. It is a false diveiculum, C. Barium swallow, lateral view is the investigation of choice, D. Out pouching of anterior pharyngeal wall above cricopharyngeus muscles
D: Out pouching of anterior pharyngeal wall above cricopharyngeus muscles
Answer: D: Out pouching of anterior pharyngeal wall above cricopharyngeus muscles 
Explanation: Zenker's diveiculum is an acquired posterior pharyngeal pulsion diveiculum in which only the mucosa and submucosa herniate through the Killian's dehiscence. It is a false diveiculum. IOC is barium study.