OSMT (Ontario Society of Medical Technologists) Practice Exam

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Which type of blood cells are produced by the red bone marrow?

RBCs only
RBCs and platelets only
RBCs and WBCs only
All types of blood cell

The correct answer is: All types of blood cell

The correct answer is that the red bone marrow is responsible for the production of all types of blood cells. This includes red blood cells (RBCs), white blood cells (WBCs), and platelets. Red bone marrow is a vital tissue found in certain bones, and it contains hematopoietic stem cells, which are the progenitors that can differentiate into the various types of blood cells. RBCs are produced to transport oxygen throughout the body, while WBCs play crucial roles in the immune response, providing defense against infections. Platelets, or thrombocytes, are essential for blood clotting and wound healing. Each of the other options provides a limited view of what red bone marrow can produce. For instance, some might suggest it produces only RBCs or a combination of specific blood cell types, but it is the red marrow's complete capability to produce all these cell types that is critical for maintaining healthy blood function and overall homeostasis in the body.