FISDAP Airway, Ventilation, and Respiratory Practice Test

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Which of the following structures is part of the upper and lower airways?

Nasal cavity, pharynx, larynx, and trachea

The selection of nasal cavity, pharynx, larynx, and trachea as part of the upper and lower airways is accurate because these structures collectively serve as passages for air during breathing. The upper airway includes the nasal cavity and pharynx, which filter, warm, and humidify the air entering the lungs. The larynx, often referred to as the voice box, is crucial for sound production and also acts as a gateway between the upper airway and the lower airway, allowing for the passage of air while protecting the trachea from food and liquids.

The trachea, or windpipe, is the main passageway that leads into the bronchial tubes, which are part of the lower airway. This classification of airways is essential for understanding respiratory physiology and for recognizing conditions that may affect these structures. Each of these components plays a vital role in the overall function of the respiratory system, ensuring that air is delivered efficiently to the lungs for gas exchange.

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Heart and lungs

Diaphragm and chest wall

Bronchial tubes only

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