The nurse informs a patient who asks where the body forms blood cells responds that blood cells are formed in the:
A) Spleen
B) Kidneys
C) Bone marrow
D) Liver
Ans: C
Feedback: Bone marrow is the primary site for hematopoiesis. The spleen and liver may be involved during embryonic development or when marrow is destroyed. The kidneys release erythropoietin, which stimulates the marrow to increase production of RBCs.
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