Final answer:
Nasopharyngeal suctioning uses a sterile technique.
Step-by-step explanation:
Nasopharyngeal Suctioning Technique. In nasopharyngeal suctioning, a sterile technique is typically used.
This technique involves using sterile gloves, sterile suction catheters, and sterile saline solution to clear the airway and remove secretions in patients. This is done to minimize the risk of introducing additional bacteria or pathogens into the airway.