The Nurse Teaches a Class on Iron-Deficiency Anemia to a Group

The nurse teaches a class on iron-deficiency anemia to a group of pregnant clients. The nurse evaluates that additional learning is needed when the clients make which statement?

A) "Most iron in our bodies is stored on hemoglobin in the red blood cell."
B) "Transferrin is a protein that transports iron to places in our bodies where it is needed."
C) "We need extra iron because when our red blood cells die, all their iron is excreted from the body."
D) "The most common cause of nutritional anemia is iron deficiency."