<prompt> Airway noise originating in the nose, nasopharynx and oropharynx is known as:StridorSteorBoth of the aboveNone of the above  <response>: Stridor is a harsh noise produced by turbulent airflow through a paially obstructed airway. It may be inspiratory, expiratory, or both biphasic. The term steor is used to describe airway noise originating in the nose, nasopharynx, and oropharynx; therefore, stridor is generally of laryngeal or tracheal origin. 