A nurse is setting up and assisting in a sterile surgical procedure. According to the principles of surgical asepsis, the nurse understands that which of these statements is correct?
The edges of a sterile field are also considered to be sterile.
The tray is considered to be unsterile if a blood-soaked gauze from the patient is placed back onto the tray.
The surgeon holds a surgical instrument out of view of the surgical field and below waist level, but does not touch anyone or anything. This instrument is still considered sterile and may be used.
The skin must be sterile prior to the start of the procedure.
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