Rice Krispies noun (A trademark for) a breakfast cereal made from grains of rice which are steamed, sweetened, and then heated rapidly in the manner of popcorn; (also in singular) a piece of this cereal.
A ferritin test measures the amount of ferritin in your blood. Ferritin is a blood cell protein that contains iron. A ferritin test helps your doctor understand how much iron your body is storing.
The physician may also check for the symptoms of heart failure or condition if heart is not pumping the blood efficiently. Two important physical examinations used to detect low ferritin levels are rectal examination and pelvic examination. Rectal examination is done only if patient is found to have rectal bleeding.