[Solved] One problem with the guilty knowledge test (GKT) is that individuals who have committed a crime may not have noticed or may have forgotten key aspects of a crime scene that are being examined in the GKT test. When this happens, it gives the test a high _______________ rate. A) false-positive B) true-positive C) false-negative D) true-negative Optical Microscopes: Instruments that use visible light and a system of lenses to magnify small objects, allowing for the observation of details not visible to the naked eye. Physicians' Office Laboratories: Labs located within a physician's office where various tests are performed on clinical specimens to obtain information about the health of a patient. Objectives: The set of magnifying lenses contained in the nosepiece of a compound microscope. Optical Microscope: An instrument that uses visible light and a system of lenses to magnify images of small subjects.