This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: Surgery
[{'content': 'Which of the following statements regarding Plummer Vinson syndrome is not true: \nSelect and explain. \nA. It is otherwise known as Patterson- Brownkelly disease, B. Iron deficiency anemia is probably the basic cause, C. It occurs excluvely in men, D. Achlorhydria is usually present', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: c (It occurs excluvely in men)Ref: Bailey & Love, 24th ed, p. 1024 & 23rd ed, p. 890', 'role': 'assistant'}]