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Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Respiratory System

Feedback True or False Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.



1

During strenuous exercise, a person may breathe about 100 liters of air each minute. (603)
A)True
B)False
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
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
4

The nasal septum divides the nose into right and left nasal cavities. (605)
A)True
B)False
5

Of the three pharyngeal regions, only the oropharynx serves both the respiratory and digestive systems. (608)
A)True
B)False
6

The larynx is composed of nine paired cartilages. (610)
A)True
B)False
7

The vestibular folds (false vocal cords) support the true vocal cords and are not used in sound production. (609)
A)True
B)False
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
9

The patency of the trachea is maintained by a series of complete hyaline cartilaginous rings. (610)
A)True
B)False
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
11

The air-blood barrier within the lungs is only one cell layer thick. (612)
A)True
B)False
12

The area between the lungs is known as the pleural septum. (614)
A)True
B)False
13

Both lungs have three lobes and two fissures. (614)
A)True
B)False
14

Emphysema and lung cancer are diseases that are linked to heavy smoking. (615)
A)TRUE
B)FALSE
15

The pleural cavity is the total volume capacity of the alveoli. (615)
A)True
B)False
16

The parietal pleura and visceral pleura converge to form the pulmonary ligament at the root of the lung. (615)
A)True
B)False
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
18

Relaxed expiration is a passive process, requiring little if any muscular contraction. (619)
A)True
B)False
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
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
21

The brain stem respiratory centers must be externally stimulated in order to function. (623)
A)True
B)False
22

The aortic and carotid bodies are pressure receptors responding to increased arterial pressure. (623)
A)True
B)False
23

Except for the derivatives of the olfactory placode, the entire respiratory system develops from endoderm. (624)
A)True
B)False
24

A cleft palate forms when the vertical plate fails to fuse to the hard palate during embryonic development. (624)
A)True
B)False
25

The respiratory system is fully developed by the end of the embryonic period (ninth week). (624)
A)True
B)False
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
27

The only way to view the paranasal sinuses is by taking a radiograph of the head. (607)
A)True
B)False