Question: how to do np suction?
Answer: Adjust wall suction. Place the client in semi-Fowler's or high-Fowler's position, if tolerated, to promote lung expansion and effective coughing. ... 
Connect the catheter to the tubing. ... 
Dip the catheter into sterile saline. ... 
Insert catheter into nares. ... 
Suction the nasopharynx. ... 
Rinse catheter.