Question 1

Embryologically, the nasal cavity develops from

Accepted Answer

A)   the early precursor of the paranasal sinuses.
B)   a cranial extension of the mouth.
C)   invagination of the ectoderm of the olfactory placode.
D)   the nasopharynx.

Question 2

Which structure is both a lower respiratory structure and in the conducting zone? (Hint: Recall Figure 22.3.)

Accepted Answer

A)   an alveolus
B)   the laryngopharynx
C)   a respiratory bronchiole
D)   any bronchus

Question 3

In a runner who is breathing heavily during a race, the rima glottidis is

Accepted Answer

A)   all the way closed.
B)   half closed.
C)   half open.
D)   open as far as possible.

Question 4

Most foreign substances in inspired air fail to reach the lungs because of the

Accepted Answer

A)   porous structure of the nasal conchae.
B)   ciliated epithelium and mucus that line the respiratory passages.
C)   abundant blood supply to the nasal mucosa.
D)   action of the epiglottis.

Question 5

Of the three different layers of tissue in the wall of the trachea, the outermost layer is the

Accepted Answer

A)   submucosa.
B)   adventitia.
C)   muscularis.
D)   lamina propria.

Question 6

Changes in the size of the thoracic cavity bring about inspiration and expiration.

Accepted Answer

A) True 
 B)False

Question 7

The part of the brain that generates the basic respiratory rhythm is the

Accepted Answer

A)   cerebrum.
B)   hypothalamus.
C)   limbic system.
D)   medulla oblongata.

Question 8

The superior and middle nasal conchae are bony projections from the

Accepted Answer

A)   maxillary bone.
B)   sphenoid bone.
C)   vomer.
D)   ethmoid bone.

Question 9

Some bronchi have names such as the ʺright upper-lobe bronchus,ʺ ʺleft lower-lobe bronchus,ʺ and ʺright middle-lobe bronchus.ʺ These are bronchi.

Accepted Answer

A)   primary
B)   secondary
C)   tertiary
D)   very small (about fifteenth-order)

Question 10

A chronic respiratory disease that leads to an expanded ʺbarrel chestʺ is

Accepted Answer

A)   lung cancer.
B)   pneumonia.
C)   emphysema.
D)   tuberculosis.

Question 11

The ability to vary the pitch of the voice results from varying

Accepted Answer

A)   the tension in the vocal folds.
B)   the size of the laryngeal cartilages.
C)   the shape of the cricoid cartilage.
D)   the force of air passing over the vocal folds.

Question 12

What type of epithelium occurs in the respiratory mucosa?

Accepted Answer

A)   pseudostratified ciliated columnar epithelium
B)   stratified squamous epithelium
C)   simple columnar epithelium
D)   simple squamous epithelium

Question 13

Figure 22.2
Use the diagram above to answer the following questions.
-Identify the letter that indicates the soft wall of the trachea allows the esophagus to expand anteriorly.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 14

The tonsil, or adenoids, is located on the wall of the nasopharynx.

Accepted Answer

The answer of The tonsil, or adenoids, is located on...

Question 15

In the wall of the trachea and bronchi, the cartilage rings lie within which tissue layer?

Accepted Answer

A)   fibromusculocartilaginous layer
B)   inner epithelium
C)   submucosa
D)   mucosa

Question 16

Figure 22.3
Use the diagram above to answer the following questions.
-Identify the letter that indicates the cartilage that folds over the opening of the larynxthe glottis. The function of this cartilage is to prevent aspiration of foods and liquids into the lower respiratory tubes.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 17

Specific location within the lungs where gas exchange occurs.

Accepted Answer

A)   carina
B)   alveoli
C)   respiratory membrane
D)   bronchopulmonary segments
E)   terminal bronchioles

Question 18

The space between the right and left vocal folds is called the

Accepted Answer

A)   vestibule.
B)   laryngeal inlet.
C)   rima glottidis.
D)   cricoid.

Question 19

The lobes of a lung are easy to recognize and distinguish from one another because

Accepted Answer

A)   they are separated by fissures.
B)   carbon from the air accumulates between and outlines the lobes in most people (even if they breathe almost-unpolluted air) .
C)   they all have slightly different colors.
D)   each is supplied by a primary bronchus, and the primary bronchi are easy to find.

Question 20

Supportive cartilage disappears from the bronchial tree at the level of the

Accepted Answer

A)   alveolar duct.
B)   respiratory bronchiole.
C)   bronchioles.
D)   lobar bronchi.

Exam 22: The Respiratory System

Specific location within the lungs where gas exchange occurs.

Correct AnswerverifiedShow Answer

Some bronchi have names such as the ʺright upper-lobe bronchus,ʺ ʺleft lower-lobe bronchus,ʺ and ʺright middle-lobe bronchus.ʺ These are bronchi.

Correct AnswerverifiedShow Answer

Changes in the size of the thoracic cavity bring about inspiration and expiration.

Correct AnswerverifiedShow Answer

The tonsil, or adenoids, is located on the wall of the nasopharynx.

Correct AnswerverifiedShow Answer

Figure 22.2 Use the diagram above to answer the following questions. -Identify the letter that indicates the soft wall of the trachea allows the esophagus to expand anteriorly.

Correct AnswerverifiedShow Answer

Supportive cartilage disappears from the bronchial tree at the level of the

Correct AnswerverifiedShow Answer

The ability to vary the pitch of the voice results from varying

Correct AnswerverifiedShow Answer

Of the three different layers of tissue in the wall of the trachea, the outermost layer is the

Correct AnswerverifiedShow Answer

What type of epithelium occurs in the respiratory mucosa?

Correct AnswerverifiedShow Answer

The space between the right and left vocal folds is called the

Correct AnswerverifiedShow Answer

In a runner who is breathing heavily during a race, the rima glottidis is

Correct AnswerverifiedShow Answer

The lobes of a lung are easy to recognize and distinguish from one another because

Correct AnswerverifiedShow Answer

The part of the brain that generates the basic respiratory rhythm is the

Correct AnswerverifiedShow Answer

Most foreign substances in inspired air fail to reach the lungs because of the

Correct AnswerverifiedShow Answer

Figure 22.3 Use the diagram above to answer the following questions. -Identify the letter that indicates the cartilage that folds over the opening of the larynxthe glottis. The function of this cartilage is to prevent aspiration of foods and liquids into the lower respiratory tubes.

Correct AnswerverifiedShow Answer

A chronic respiratory disease that leads to an expanded ʺbarrel chestʺ is

Correct AnswerverifiedShow Answer

Which structure is both a lower respiratory structure and in the conducting zone? (Hint: Recall Figure 22.3.)

Correct AnswerverifiedShow Answer

Embryologically, the nasal cavity develops from

Correct AnswerverifiedShow Answer

In the wall of the trachea and bronchi, the cartilage rings lie within which tissue layer?

Correct AnswerverifiedShow Answer

The superior and middle nasal conchae are bony projections from the

Correct AnswerverifiedShow Answer

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