ATI Pathophysiology Practice Exam

Question: 1 / 400

Blood cells are produced by which of the following?

Liver

Red bone marrow

Blood cells are produced primarily by red bone marrow, making it the correct answer. The process of blood cell formation, known as hematopoiesis, occurs in the red bone marrow where hematopoietic stem cells differentiate into various types of blood cells, including red blood cells, white blood cells, and platelets.

The liver, while crucial for various metabolic functions, does not serve as the primary site for blood cell production. In adults, the spleen plays a role in filtering blood and managing the immune response but is not a site of blood cell production; instead, it can produce lymphocytes in certain conditions. The thymus is involved in the maturation of T lymphocytes (a type of white blood cell) but does not produce blood cells directly. Thus, red bone marrow stands out as the key location for hematopoiesis.

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Spleen

Thymus

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