IAN HOOTON / SCIENCE PHOTO LIBRARY IAN HOOTON / SCIENCE PHOTO LIBRARY
Urine analysis. General practice doctor comparing a multiple test stick (Multistix) to its reference chart. The test stick has been placed into a sample of the female patient's urine to test for a variety of disorders. The dark brown pad shows that the patient has a large amount of glucose in her urine, which is positive result for diabetes. In diabetic patients, levels of glucose in the urine are abnormally high because of an insufficient production of the hormone insulin.
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