Which Statements Would the Nurse Make When Discussing Age-Related Changes

Which statements would the nurse make when discussing age-related changes in the hematologic system?. Select all that apply.

A) "When you are past middle age, your hemoglobin levels will be slightly lower than when you were younger."
B) "You have less red marrow than when you were younger, but will still have this important component even into old age."
C) "As you continue to age, we will see big differences in your blood cell counts on lab tests."
D) "You may not respond to immunizations as well because of changes in your cells related to the immune response."
E) "It may take your body longer to return to the normal amount of blood cells if you are injured or get sick."