This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': 'In Iron deficiency anaemia, what is seen? \nSelect and explain. \nA. Increased Protoporphyrin, B. Increased iron, C. Increased ferritin, D. Increased transferrin saturation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Since its iron def anemia there is decreased iron , ferritin , and transferin saturation . There is increased protoporphyrin levels as there is impaired maturation of Hb due to Fe deficiency. Ref: robbins 9/e pg :649', 'role': 'assistant'}]