The nurse is assigned a patient who presents with anemia secondary to iron deficiency. Which of the following laboratory values do you expect in this patient?

The 34-year-old male patient is brought by ambulance to the emergency department an hour after a witnessed car accident occurred in which he sustained a laceration to his right femoral artery. The paramedics placed a tourniquet and held pressure until arrival to the emergency department, but significant blood loss is estimated. The nurse anticipates the initial complete blood count will reveal which results?  

The nurse who suspects that the 19-year-old patient being treated for β-thalassemia major is experiencing complications of therapy advocates for which tests? Select all that apply.