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: Medicine
[{'content': 'A 30 year old lady presents with features of malabsorption and iron deficiency anaemia. Duodenal biopsy shows complete villous atrophy. Which of the following antibodies is likely to be present : \nSelect and explain. \nA. Antiendomysial antibodies, B. Anti-goblet cell antibodies, C. Anti-saccharomyces cerevisae antibodies, D. Antineutrophil cytoplasmic antibodies', 'role': 'user'}, {'content': "Answer: A \nExplanation: Answer is A (Antiendomysial antibodies): Evidence of Malabsorption together with charachteristic histopathological changes on small intestinal biopsy in the form of complete villous atrophy suggests the diagnosis of celiac spree / disease. Antibody studies are frequently used to identify patients with celiac disease. 'The antiendomysial antibody has 90 to 95% sensitivity and 90 to 95% specificity' in the detection of celiac disease.", 'role': 'assistant'}]