The nurse is describing normal RBC physiology to a patient who has a diagnosis of anemia. The nurse should explain that the RBCs consist primarily of which of the following?

Question

Quizplus · Accepted Answer

Mature erythrocytes consist primarily of hemoglobin, which contains iron and makes up $95 \%$ of the cell mass. RBCs are not made of fibrin or plasminogen. Hematocrit is a measure of RBC volume in whole blood.

The Nurse Is Describing Normal RBC Physiology to a Patient