[Solved] Which of the following statements regarding processing of contaminated instruments is (are) true? A) Instruments should be processed in an area separate from where clean instruments are stored. B) Personnel should wear heavy-duty utility/puncture-resistant gloves. C) Instruments only need cleaning if they have visible contamination. D) Instruments should be heat-sterilized unless they are heat sensitive. E) Cleaning an instrument precedes all sterilization and disinfection processes. F) Options a, b, d, and e are true. Scientific Control: A procedure in scientific experiments where all variables are kept constant except the variable being investigated. Visualize: The process of forming mental images or concepts of something that is not currently being perceived through sight. Symbolic Distance Effect: The phenomenon where the cognitive distance between symbols affects the speed and accuracy of processing those symbols. Mouse: A small rodent characteristically having a pointed snout, small rounded ears, and a long naked or almost hairless tail.