A patient who is weak informs you that she has a history of her? "iron being too? low." this should concern the emt because iron is needed? to:

Iron is a key component of hemoglobin. Hemoglobin the the protein responsible for transporting oxygen uses iron to bond oxygen. Additionally Hemoglobin is a key component of RBC (erythrocytes) ... If iron is deficit the body is not able to produce red blood cells and it can result in iron deficient anemia.