Final answer:
The drape becomes contaminated below table level. Maintaining sterility is vital to prevent infections during medical procedures. The area above table level is considered to be in the sterile field.
Step-by-step explanation:
The portion of the drape that falls below table level is considered contaminated. In sterile fields and environments, it is paramount to maintain sterility to prevent infections and ensure patient safety. The principle behind this is that only the areas of the drape that are above table level are considered to be in the sterile field. Anything that hangs below this level is at risk of touching unsterile surfaces or areas and therefore could become contaminated. During surgeries and other medical procedures, professionals must be vigilant about maintaining sterile technique to avoid compromising the sterile field.