This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
All are features of Plummer-Vinson syndrome Except 
Select and explain. 
A. Oesophageal web, B. Iron deficiency, C. Achalasia cardia, D. Dysphagia
C: Achalasia cardia
Answer: C: Achalasia cardia 
Explanation: Dysphagia is said to occur because of the presence of post-cricoid web that is associated with iron deficiency anaemia, glossitis and koilonychia Bailey and Love&;s sho practice of surgery,26 th ed.