The nurse is preparing to suction the endotracheal tube (ETT) of a patient who is on a ventilator using a closed in-line system (see image below or in attachments). What action does the nurse take first?

Remove the in-line suction system and use a sterile tracheostomy suctioning catheter

Place the in-line suction catheter into the ET tube and suction for 10 seconds

Disconnect the patient from the ventilator and oxygenate with the bag valve mask

Assess the patient’s respiratory status and oxygen saturation before suctioning