Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.
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1 | |
During strenuous exercise, a person may breathe about 100 liters of air each minute. (603) |
| | A) | True |
| | B) | False |
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2 | |
The conducting division of the respiratory system includes the nasal cavity and pharynx and the respiratory division includes the larynx, trachea, and lungs. (603) |
| | A) | True |
| | B) | False |
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3 | |
The supporting framework of the nasal septum consists of the perpendicular plate of the ethmoid bone, the vomer, and the septal cartilage. (605) |
| | A) | True |
| | B) | False |
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4 | |
The nasal septum divides the nose into right and left nasal cavities. (605) |
| | A) | True |
| | B) | False |
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5 | |
Of the three pharyngeal regions, only the oropharynx serves both the respiratory and digestive systems. (608) |
| | A) | True |
| | B) | False |
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6 | |
The larynx is composed of nine paired cartilages. (610) |
| | A) | True |
| | B) | False |
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7 | |
The vestibular folds (false vocal cords) support the true vocal cords and are not used in sound production. (609) |
| | A) | True |
| | B) | False |
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8 | |
The act of swallowing depresses the epiglottis, closing the glottis so the food or fluid does not enter the trachea. (608) |
| | A) | True |
| | B) | False |
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9 | |
The patency of the trachea is maintained by a series of complete hyaline cartilaginous rings. (610) |
| | A) | True |
| | B) | False |
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10 | |
Autonomic contraction or relaxation of the smooth muscles within the bronchioles determines the amount of air that reaches the alveoli. (611) |
| | A) | True |
| | B) | False |
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11 | |
The air-blood barrier within the lungs is only one cell layer thick. (612) |
| | A) | True |
| | B) | False |
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12 | |
The area between the lungs is known as the pleural septum. (614) |
| | A) | True |
| | B) | False |
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13 | |
Both lungs have three lobes and two fissures. (614) |
| | A) | True |
| | B) | False |
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14 | |
Emphysema and lung cancer are diseases that are linked to heavy smoking. (615) |
| | A) | TRUE |
| | B) | FALSE |
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15 | |
The pleural cavity is the total volume capacity of the alveoli. (615) |
| | A) | True |
| | B) | False |
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16 | |
The parietal pleura and visceral pleura converge to form the pulmonary ligament at the root of the lung. (615) |
| | A) | True |
| | B) | False |
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17 | |
Breathing is the movement of air through the respiratory passageways, whereas ventilation is movement of respiratory gases through the alveolar walls. (603) |
| | A) | True |
| | B) | False |
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18 | |
Relaxed expiration is a passive process, requiring little if any muscular contraction. (619) |
| | A) | True |
| | B) | False |
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19 | |
The expiratory reserve volume is the amount of air that can be exhaled during forced breathing in addition to the tidal volume. (621) |
| | A) | True |
| | B) | False |
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20 | |
The pneumotaxic and apneustic areas of the pons promote the activity of the expiratory neurons of the medulla oblongata. (623) |
| | A) | True |
| | B) | False |
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21 | |
The brain stem respiratory centers must be externally stimulated in order to function. (623) |
| | A) | True |
| | B) | False |
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22 | |
The aortic and carotid bodies are pressure receptors responding to increased arterial pressure. (623) |
| | A) | True |
| | B) | False |
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23 | |
Except for the derivatives of the olfactory placode, the entire respiratory system develops from endoderm. (624) |
| | A) | True |
| | B) | False |
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24 | |
A cleft palate forms when the vertical plate fails to fuse to the hard palate during embryonic development. (624) |
| | A) | True |
| | B) | False |
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25 | |
The respiratory system is fully developed by the end of the embryonic period (ninth week). (624) |
| | A) | True |
| | B) | False |
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26 | |
The effectiveness of the abdominal thrust maneuver lies in the fact that forcefully causing the residual air to rush from the lungs may free a lodged object from the air passageway. (627) |
| | A) | True |
| | B) | False |
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27 | |
The only way to view the paranasal sinuses is by taking a radiograph of the head. (607) |
| | A) | True |
| | B) | False |
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2002 McGraw-Hill Higher Education