DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Urine test. Dipstick that has been placed in a sample of urine. The presence of glucose, nitrates and white blood cells are being tested for. None of these substances should normally be found in the urine. The presence of glucose would suggest diabetes. The presence of nitrates or white blood cells would suggest an infection.
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