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Post-Lab Questions
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1
The size of the thoracic cavity is decreased by contractions of the
A)diaphragm.
B)external intercostals.
C)pectoralis minor.
D)internal intercostals (costal part).
2
The bell jar of the lung function model represents the
A)chest wall.
B)lungs.
C)diaphragm.
D)bronchial tubes.
3
The combination of inspiratory reserve volume, tidal volume, and expiratory reserve volume represents
A)residual volume.
B)functional residual capacity.
C)vital capacity.
D)total lung capacity.
4
Residual volume is estimated to be about
A)500 mL.
B)1,200 mL.
C)3,600 mL.
D)4,800 mL.
5
A normal resting breathing rate is about 12-15 breaths per
A)second.
B)30 seconds.
C)minute.
D)hour.





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