Which statement about the sterile field and drapes is true?

Which statement about the sterile field and drapes is true?

• A. The outer edges of the drapes are sterile.
• B. The sterile field is established outside the drapes.
• C. Drapes are never used to create a sterile field.
• D. The outer edges of the drapes are considered non-sterile.

Answer: (D)

In this topic, sterilization relies on how drapes define the sterile field. The surfaces that face the surgical site and will contact sterile instruments are kept sterile, while the outer edges of the drapes are treated as non-sterile because they may have touched non-sterile surfaces during handling and positioning. This convention creates a safe boundary: the inner draped area around the operative site remains sterile, and the margins are kept non-sterile to prevent contamination from movement or contact with non-sterile areas. Drapes are indeed used to establish and maintain a sterile field, but the sterile portion is the area under and immediately around the drapes, not the outer edges. If an edge becomes contaminated, it lies outside the sterile field and would require action to maintain sterility.

In this topic, sterilization relies on how drapes define the sterile field. The surfaces that face the surgical site and will contact sterile instruments are kept sterile, while the outer edges of the drapes are treated as non-sterile because they may have touched non-sterile surfaces during handling and positioning. This convention creates a safe boundary: the inner draped area around the operative site remains sterile, and the margins are kept non-sterile to prevent contamination from movement or contact with non-sterile areas.

Drapes are indeed used to establish and maintain a sterile field, but the sterile portion is the area under and immediately around the drapes, not the outer edges. If an edge becomes contaminated, it lies outside the sterile field and would require action to maintain sterility.