This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharyngeal Pouch, Subject name: ENT
All of the following are true about Zenker's Diverticulum except: 
Select and explain. 
A. It is an acquired condition, B. It is a false diverticulum, C. Barium swallow, lateral view is the IOC, 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: (d) Out pouching of anterior pharyngeal wall above cricopharyngeus muscles(Ref. Scott Brown, 8th ed., Vol 3; 813)In Zenker's diverticulum there is out pouching of posterior hypopharyngeal wall above cricopharyngeus sphincter.