Final answer:
Nasopharyngeal and nasotracheal suctioning help remove secretions from the upper airways and trachea.
Step-by-step explanation:
Nasopharyngeal and nasotracheal suctioning help remove secretions from the upper airways and trachea. The nasopharynx is part of the upper throat, extending from the posterior nasal cavity, and it carries air inhaled through the nose. The trachea is a long tube that leads to the lungs and is part of the lower respiratory system.