This document discusses blood glucose meters and how they work. It explains that a blood glucose meter consists of three main parts: a glucose meter, glucose lancet, and test strip. It describes the basic steps of using a meter which involves pricking the skin with a lancet to draw blood, placing a drop of blood on a test strip, and then inserting the strip into the glucose meter to measure blood glucose levels. The meter uses a test strip containing glucose oxidase to react with glucose in the blood and show the user's blood glucose reading.