Which blood component is analyzed when measuring Ferritin?

When measuring Ferritin, the primary focus is on assessing iron stores in the body. Ferritin is a protein that binds to iron and is found in various tissues, particularly in the liver, spleen, and bone marrow. It serves as a key indicator of the amount of stored iron available for use in various bodily processes, including the production of hemoglobin for red blood cells.

When ferritin levels are measured, healthcare providers can determine whether a patient has sufficient iron reserves or if they are experiencing iron deficiency or overload. High levels of ferritin may indicate conditions like hemochromatosis or inflammation, while low levels typically suggest iron deficiency anemia or inadequate iron stores. Thus, analyzing ferritin directly correlates to evaluating the body's iron stores, making this the correct answer.