A nurse is preparing a sterile field. Which of the following actions should the nurse identify as contaminating the field?

Opening the sterile tray by first unfolding the flap furthest from his body.

Holding a sterile item at just above waist level.

Placing a sterile dressing 5 cm (2 in) from the border of the sterile field.

Opening a sterile package directly over the middle of the sterile field.

Opening a sterile package directly over the middle of the sterile field.