A nurse is setting up a sterile field in a client's room. Which of the following actions should the nurse take?

Placing a sterile instrument within 1.3 cm (0.5 in) of the edge of the sterile field

Opening the top flap of the sterile tray package away from their body

Dropping sterile objects onto the field from a height of 5 cm (2 in)

Placing the cap of a sterile solution on a clean surface with the inside facing down