Air entering the body is filtered, warmed, and humidified by
2.
Surfactant
3.
Functions of the nose include
4.
The actual sites of gas exchange within the lungs are
5.
Air moves into the lungs because
6.
Air moves out of the lungs because
7.
Expiratory movements are produced by contraction of the
8.
When the diaphragm and external intercostal muscles contract,
9.
Pulmonary ventilation refers to
10.
Most of the oxygen transported by the blood is
11.
Most of the carbon dioxide in the blood is transported as
12.
The most important chemical regulator of respiration is
13.
A 10% increase in the level of carbon dioxide in the blood will
14.
In quiet breathing,
15.
If a student inhales as deeply as possible and then blows the air out until he cannot exhale any more, the amount of air that he expelled would be his/her
16.
Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheral tissues?
17.
When the diaphragm and external intercostal muscles contract,
18.
Damage to the surfactant cells of the lungs would result in
19.
Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. The problem is probably the result of
20.
In emphysema, the alveoli break down and coalesce into large air spaces. The lungs also lose elasticity and compliance is increased. You would expect a person who suffers from emphysema to have
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Sample Question
This is the mass of tissue from the sternum to the vertebral column between the lungs.