A 1-Inch Margin Around a Sterile Field Is Contaminated

Multiple Choice

A 1-inch margin around a sterile field is contaminated.Which statement is incorrect?

A) All sterile items must be placed inside the 1-inch margin.
B) Items outside the 1-inch margin are contaminated.
C) You can change the margin to ½ inch if you need a bigger sterile field.
D) You must tell the nurse if you contaminate the sterile field.