This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
H.Pylori causes which of the following anemia - 
Select and explain. 
A. Iron deficiency anemia, B. Sideroblastic anemia, C. Hemolytic anemia, D. Aplastic anemia
A: Iron deficiency anemia
Answer: A: Iron deficiency anemia 
Explanation: H.Pylori infection leads to peptic ulcer disease in human. Long standing peptic ulcer causes gastro intestinal bleeding and blood loss. If the blood loss exceeds ceain levels it may lead to iron defficiency anemia Ref Harrison20th edition pg 1013