[Expert Solution]: A sterile technique is sometimes used to…

A sterile technique is sometimes used to suction through an endotracheal or tracheostomy tube. A non-sterile technique is used to suction through : because: a. When the suction catheter passes through the nasopharynx, it is already contaminated before it enters the trachea. b. A patient with an endotracheal or tracheostomy tube is immunocompromised c. There is a risk of the ETT or trach tube falling out during suctioning d. The patient has a better cough during tracheal suctioning of an ETT or trach tube