How do sterile dressings differ from clean dressings in their application?

• A. Sterile dressings are used for invasive procedures and maintain sterility; clean dressings used for noninvasive wounds.
• B. Clean dressings maintain sterility for invasive procedures.
• C. Sterile dressings are used for noninvasive wounds.
• D. Both types are interchangeable.

Answer: (B)