What term best describes a loud, high-pitched continuous sound heard (often with the unaided ear) primarily over the larynx or trachea during inhalation in patients with upper airway obstruction?

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Stridor is a high-pitched, continuous sound heard during inhalation in patients with upper airway obstruction, often due to swelling or narrowing of the larynx or trachea. Rhonchi are lower-pitched, snore-like sounds caused by obstruction or secretions in the larger airways. Crackles are sounds heard during inspiration or expiration due to fluid-filled alveoli or airways. Wheeze is a high-pitched whistling sound heard primarily during expiration due to narrowing of the smaller airways.

What Term Best Describes a Loud, High-Pitched Continuous Sound Heard