Final answer:
Antimicrobial drapes have an adhesive backing impregnated with an antimicrobial iodine agent.
Step-by-step explanation:
The correct answer is 1) Antimicrobial drapes. Antimicrobial drapes have an adhesive backing impregnated with an antimicrobial iodine agent. This iodine agent helps to prevent the growth and spread of microorganisms, reducing the risk of infection during medical procedures. One example of an iodine agent used in antimicrobial drapes is Betadine, which is a solution of the iodophor povidone-iodine.