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
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: None