Surfactant
A) protects the surface of the lungs.
B) phagocytizes small particulate matter.
C) replaces mucus in the alveoli.
D) helps prevent the alveoli from collapsing.
E) is not found in healthy lung tissue.
Correct Answer:
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Q10: The common passageway shared by the respiratory
Q11: Ventilation is also known as
A) breathing.
B) inspiration.
C)
Q12: Which of the following features of the
Q13: The upper respiratory tract includes all EXCEPT
Q14: The lungs are enclosed in _ membranes.
A)
Q16: The actual sites of gas exchange within
Q17: The lower respiratory tract includes
A) all of
Q18: Air moves into the lungs because
A) the
Q19: When the diaphragm and external intercostal muscles
Q20: The airway between the larynx and the
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