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NREMT Paramedic

Category - Airway

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Narrowing of which of the following structures causes stridor?

Lower airway
Bronchi
Alveoli
Upper airway

Explanation

Answer: D - An upper airway obstruction creates stridor, which is heard usually on inhalation. Stridor is a harsh, high pitched sound heard on inspiration that indicates swelling in the larynx or obstruction of the upper airway.

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