The nurse is caring for a client who has a bowel obstruction and a new prescription for the insertion of a nasogastric tube. Which of the following interventions should the nurse take when inserting the nasogastric tube?

Withdraw the tube if the client gags during insertion.

Place the client in a supine position.

Measure the tube for insertion from the tip of the nose to the umbilicus.

Instruct the client to place his chin to his chest and swallow.