Which practice is NOT recommended to prevent fires during surgeries at high-risk sites?
A. use an ignition source to enter gas-distended bowel
B. pack the back of the throat with radiopaque sponges prior to tonsillectomy
C. stop supplemental oxygen or nitrous oxide for one minute before using an ignition source
D. place an adhesive incise drape between the surgical site and the oxygen source
E. inflate endotracheal tubes with tinted solutions prior to tracheotomy