The Nurse Is Caring for a Patient with Pernicious Anemia

The nurse is caring for a patient with pernicious anemia.The patient asks the nurse why she experiences constant fatigue.Which response most accurately answers the patient's question?

A) "Your anemia causes inadequate oxygen delivery to your cells, which causes you to feel fatigue."
B) "Your anemia causes an enlarged spleen, which makes breathing difficult and leads to fatigue."
C) "Your anemia causes proliferation of white cells, which leads to fatigue."
D) "Your anemia causes excessive manufacture of red blood cells, which overworks your body and leads to fatigue."