Patho - Exam 3 Practice Verified and Updated Questions and Answers (100% Correct Answers)

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Patho - Exam 3 Practice Verified and
Updated Questions and Answers (100%
Correct Answers)
C. Bronchus
Answer: Which respiratory structure regulates lung ventilation by constricting and
dilating?


A. Pores of Kohn


B. Diaphragm


C. Bronchus


D. Alveolus


B. elastin.
Answer: Air is expelled from the alveoli during exhalation due to the effects of:


A. surfactant.


B. elastin.


C. collagen.


smooth muscle.


B. the volume of air inhaled (or exhaled) during passive respirations.
Answer: Tidal volume is a measure of:


A. the amount of air left in the lungs after exhalation.


B. the volume of air inhaled (or exhaled) during passive respirations.


C. the maximum amount of air that can be expired from the lung.


D. total lung capacity.