Code 69601 for a revision mastoidectomy that results in a complete mastoidectomy

All of the following are types of health maintenance organizations (HMOs) EXCEPT the:

A) group model. B) preferred provider model. C) individual practice association. D) open access model.

Red bone marrow produces red blood cells through which process:

A. Erythrocytes B. Leukopoiesis C. Erythropoiesis D. Leukocytes