Using the provided diagram, identify the structure labeled as #7.
Trachea
Pharynx
Larynx
Alveoli
The Correct Answer is D
A. Trachea
The trachea, commonly known as the windpipe, connects the larynx to the bronchi and allows air passage to the lungs.
B. Pharynx
-upper respiratory tract structure, far from alveoli.
C. Larynx
-upper airway structure above the trachea.
D. Alveoli
-terminal structures where gas exchange occurs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. It is difficult to keep the alveoli open- surfactant reduces alveolar surface tension; without it, alveoli collapse (atelectasis).
B. Bronchioles relax- not directly related to surfactant.
C. The alveoli fill with water- surfactant prevents collapse, not water entry.
D. Air enters the intrapleural space- this would cause a pneumothorax, unrelated to surfactant function.
Correct Answer is D
Explanation
A. Trachea
The trachea, commonly known as the windpipe, connects the larynx to the bronchi and allows air passage to the lungs.
B. Pharynx
-upper respiratory tract structure, far from alveoli.
C. Larynx
-upper airway structure above the trachea.
D. Alveoli
-terminal structures where gas exchange occurs.
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