A nurse is reinforcing teaching with a client who is to have a bone marrow aspiration and biopsy. The nurse should tell the client that, in addition to the iliac crest, a common site for this procedure is which of the following?

A. The humerus is not commonly used for bone marrow aspiration because of limited accessibility and proximity to nerves and blood vessels. B. “Hip” is a general term; the specific site commonly used is the posterior iliac crest. C. The sternum is a common alternative site for bone marrow aspiration in adults due to its flat bone structure and accessibility. D. The cervical spine is not used for bone marrow aspiration due to high risk and inaccessibility.