Blood sugar level testing. Lancet being used to obtain a drop of blood for a blood sugar test in a diabetic patient. Once the skin is pierced, an electronic blood sugar level tester (not seen) is applied to the resulting blood drop. Diabetes is a disorder in which the production of the hormone insulin, which regulates blood glucose levels, is reduced. Diabetic patients need to regularly check their blood glucose levels and inject themselves with insulin if they are abnormal. This is the Microlet adjustable lancing device, made by Bayer.
