GAS EXCHANGE AND OXYGENATION ATI ASSESSMENT SCRIPT 2026 VERIFIED ANSWERS COMPREHENSIVE REVIEW

GAS EXCHANGE AND OXYGENATION ATI
ASSESSMENT SCRIPT 2026 VERIFIED
ANSWERS COMPREHENSIVE REVIEW

◉ Pharynx.
Answer: cavity posterior to the nose and throat that warm, filter, and
humidify air taken in through the nose.


◉ larynx.
Answer: located at the top of the trachea and is where the vocal
cords are found.


◉ lower airway.
Answer: trachea, bronchi, bronchioles, alveoli.


◉ bronchoconstriction.
Answer: tightening of the bronchus due to the contraction of the
smooth muscle.


◉ bronchodilation.
Answer: expansion of the airway in the bronchus

, ◉ pleural cavity.
Answer: the space or cavity between the visceral and parietal layers
of the lung.


◉ pleura.
Answer: a protective layer or membrane covering the lungs.


◉ diaphragm.
Answer: a muscle that separates the chest cavity from the abdominal
cavity and innervated by nerves.


◉ surfactant.
Answer: a lubricant made in the lungs to keep the alveoli from
collapsing during exhalation.


◉ atelactasis.
Answer: collapse of airways and small sections of the lung as a result
of shallow breathing. the collapsing of the lung during expansion.


◉ ventilation.
Answer: the flow of air inside or outside of the alveoli.


◉ perfusion.