A Nurse Is Following a Physician's Order to Irrigate the NG

A nurse is following a physician's order to irrigate the NG tube of a client. Which of the following is a recommended guideline in this procedure?

A) Assist client to 30- to 45-degree position, unless this is contraindicated.
B) Draw up 60 mL of saline solution (or amount indicated in the order or policy) into syringe.
C) If Salem sump or double-lumen tube is used, make sure that syringe tip is placed in the blue air vent.
D) If unable to irrigate the tube, reposition client and attempt irrigation again; inject 20 to 30 mL of air and aspirate again.