What are the components of a complete blood count (CBC)?

A complete blood count (CBC) is a comprehensive test that measures various components of the blood to assess overall health and detect a wide range of disorders, such as anemia, infection, and many other diseases. The correct answer includes red blood cells, white blood cells, hemoglobin, hematocrit, and platelets.

Red blood cells (RBCs) transport oxygen from the lungs to the rest of the body and help remove carbon dioxide. White blood cells (WBCs) are crucial for the immune system and help the body to fight off infections. Hemoglobin is the protein in red blood cells that binds to oxygen, and hematocrit measures the proportion of blood volume that is occupied by red blood cells. Platelets are essential for blood clotting and maintaining hemostasis.

Together, these components provide valuable information about the blood's ability to carry oxygen, the immune response, and the body's overall health. Understanding each of these parameters is vital for diagnosing potential medical conditions and monitoring the effectiveness of treatment strategies.