A Patient with Lung Cancer Who Expected to Die Within

A patient with lung cancer who expected to die within a few days is being given a blood transfusion.Family members,who realize death is imminent,ask,"Why are you giving a blood transfusion when we all know death is just around the corner?" What should the nurse respond to the family?

A) "That question is best answered by the physician during rounds."
B) "It is my duty as a nurse to continue to administer life-prolonging treatments until the patient dies."
C) "The blood will raise the hemoglobin level, which will increase energy level and sense of well-being."
D) "The transfusion will help increase the patient's oxygen levels. It will not prolong life but will increase comfort."