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Pre-Test
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1
Which of the following organs is a part of the lower respiratory system?
A)trachea
B)bronchi
C)nasal cavity
D)pharynx
2
The function of nasal hairs is to
A)collect mucus
B)moisten air
C)move nasal secretions to the pharynx
D)prevent entry of large particles in inspired air
3
Paranasal sinuses are found in all of the following bones except the
A)maxillary bone
B)frontal bone
C)ethmoid bone
D)lacrimal bone
4
The trachea is maintained in an open position by
A)cartilaginous rings
B)the amount of collagen in the wall of the trachea
C)the tone of trachea wall smooth muscle
D)the continuous flow of air through the trachea
5
The organ shared by the digestive and respiratory system is the
A)trachea
B)diaphragm
C)pharynx
D)larynx
6
Gas exchange takes place in the
A)bronchi
B)bronchioles
C)alveoli
D)alveolar ducts
7
The parietal pleura
A)contains fluid for lubrication
B)lines the inside of the thoracic cavity
C)covers the surface of the lungs
D)lines the inside walls of the trachea and bronchi
8
The pressure in the thoracic cavity
A)does not change throughout the respiratory cycle
B)is less than atmospheric pressure during inspiration
C)the same as atmospheric pressure during expiration
D)increases above atmospheric pressure during inspiration
9
Muscles other than the diaphragm that normally act to change the size of the thorax are the
A)splenius capitis
B)intercostals
C)pectoralis major
D)latissimus dorsi
10
Both oxygen and carbon dioxide diffuse through the thin alveoli and capillary walls according to their own partial pressure.
A)True
B)False





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