The nurse practitioner (NP) is reviewing a patient's laboratory results. The patient has iron deficiency anemia. Which of the following will the NP expect to find?
1) Low iron level, low ferritin and low total iron-binding capacity
2) low iron, low ferritin, high total iron-binding capacity
3) low iron, high ferritin, high total iron-binding capacity
4) Low iron level, high ferritin, low total iron-binding capacity