Insertion tube {Ans: The portion of the flexible endoscope that enters the body is called:}U.S. Department of Transportation {Ans: is a federal agency dedicated to ensuring a fast, safe, and efficient transportation system.}Non-enveloped virus {Ans: are viruses without an envelope around the cuspid referred to as naked viruses.}leak tests {Ans: is an important part of the inspection process because it allows the observer to determine if the tubes and/or channels are intact. It is a fundamental inspection step that allows the observer to determine whether the tubes and/or channels are intact.}olestra {Ans: synthetic fat used in some foods labeled fat free and leaves a waxy substance stuck to the endoscope}cystoscopy {Ans: is the examination, diagnosis, or treatment of the urethra & bladder or prostate gland.}