Question 1

Physical damage to the lamina propria of the nasal mucosa is likely to result in

Accepted Answer

A)   epistaxis.
B)   nasal congestion.
C)   nosebleeds.
D)   a deviated septum.
E)   epistaxis or nosebleeds.

Question 2

One way to improve respiratory performance with age is to

Accepted Answer

A)   eat smaller meals.
B)   stop smoking.
C)   sleep longer.
D)   maintain normal glucose levels.
E)   produce less surfactant.

Question 3

________ involves active inspiratory and expiratory movements and calls on accessory muscles to assistwith inhalation, while exhalation involves contraction of the internal intercostal muscles and sometimes abdominal muscles, too.

Accepted Answer

A)   Eupnea
B)   Forced breathing
C)   Costal breathing
D)   Vital breathing
E)   Passive breathing

Question 4

In-Text Figure Based Questions
-What type of epithelium lines the conducting portion of the respiratory tract? (Figure 23-2)

Accepted Answer

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

Question 5

The partial pressure of carbon dioxide is greatest in

Accepted Answer

A)   venous blood.
B)   alveolar air.
C)   expired air.
D)   inspired air.
E)   arterial blood.

Question 6

While playing in an intramural football game, Joe is tackled so hard that he breaks a rib. He can actuallyfeel a piece of the rib sticking through the skin and he is having a difficult time breathing. Joe is probably suffering from

Accepted Answer

A)   a collapsed trachea.
B)   an obstruction in the bronchi.
C)   a pneumothorax.
D)   decreased surfactant production.
E)   a bruised diaphragm.

Question 7

The portion of the nasal cavity contained within the flexible tissues of the external nose is the

Accepted Answer

A)   nasopharynx.
B)   vestibule.
C)   internal chamber.
D)   conchae.
E)   nasal septum.

Question 8

The superior region of the pharynx is called the

Accepted Answer

A)   nasal cavity.
B)   nasopharynx.
C)   oropharynx.
D)   laryngopharynx.
E)   superior nasal conchae.

Question 9

Which of the following organs is not part of the lower respiratory system?

Accepted Answer

A)   pharynx
B)   trachea
C)   larynx
D)   bronchi
E)   alveoli

Question 10

Air moves out of the lungs when the pressure inside the lungs is

Accepted Answer

A)   greater than intraalveolar pressure.
B)   less than the pressure in the atmosphere.
C)   less than intrapulmonic pressure.
D)   equal to the pressure in the atmosphere.
E)   greater than the pressure in the atmosphere.

Question 11

The respiratory epithelium of the conducting airways consists of

Accepted Answer

A)   pseudostratified ciliated columnar epithelium.
B)   moist cuboidal epithelium.
C)   simple squamous epithelium.
D)   ciliated squamous epithelium.
E)   stratified squamous epithelium.

Question 12

The blood air barrier consists of

Accepted Answer

A)   pseudostratified ciliated columnar epithelium.
B)   1 layer of moist cuboidal epithelium.
C)   2 layers of simple squamous epithelium.
D)   stratified squamous epithelium.
E)   surfactant cells.

Question 13

The partial pressure of oxygen in arterial blood is approximately

Accepted Answer

A)   40 mm Hg.
B)   45 mm Hg.
C)   50 mm Hg.
D)   70 mm Hg.
E)   100 mm Hg.

Question 14

Which of these is not part of the upper respiratory system?

Accepted Answer

A)   larynx
B)   pharynx
C)   nasal cavity
D)   nose
E)   sinuses

Question 15

The entire array of protective mechanisms in the respiratory system is called the

Accepted Answer

A)   respiratory immunity.
B)   macrophage complex.
C)   respiratory defense system.
D)   acquired respiratory defense.
E)   mucus escalator.

Question 16

The term ________ describes the result from an injury that permits air to leak into the intrapleural space.

Accepted Answer

A)   pleurisy
B)   pneumonia
C)   pneumothorax
D)   pulmonary edema
E)   emphysema

Question 17

Figure 23-2 Mechanics of Ventilation
 P inside C)  P outside  
Use Figure 23-2 to answer the following questions:
-What is the relationship between the pressures at label "8"?

Accepted Answer

A)   P outside = P inside
B)   P outside > P inside
C)   P outside 
D)   P outside + P inside
E)   P outside - P inside

Question 18

Air entering the body is filtered, warmed, and humidified by the

Accepted Answer

A)   upper respiratory tract.
B)   lower respiratory tract.
C)   lungs.
D)   alveoli.
E)   bronchioles.

Question 19

Lungs are held tightly to the wall of the thorax due to

Accepted Answer

A)   the diaphragm and intercostal muscle contractions.
B)   tight junctions between the lungs and the thorax.
C)   surface tension of the pleural fluid and negative pressure in the cavity.
D)   atmospheric pressure pushing on the lungs.
E)   pulmonary ligaments that anchor the lungs.

Question 20

Which of the following changes does not occur at birth when an infant takes his or her first breaths?

Accepted Answer

A)   Blood flow to the lungs decreases.
B)   The resistance in the pulmonary arteries decreases.
C)   Changes in blood flow cause the foramen ovale to close.
D)   Air enters the alveoli.
E)   Gas diffuses across the alveolar-capillary membrane.

Exam 23: The Respiratory System

Air entering the body is filtered, warmed, and humidified by the

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The term ________ describes the result from an injury that permits air to leak into the intrapleural space.

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One way to improve respiratory performance with age is to

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Which of the following changes does not occur at birth when an infant takes his or her first breaths?

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The superior region of the pharynx is called the

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Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: -What is the relationship between the pressures at label "8"?

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Lungs are held tightly to the wall of the thorax due to

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The portion of the nasal cavity contained within the flexible tissues of the external nose is the

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The partial pressure of oxygen in arterial blood is approximately

Correct AnswerverifiedShow Answer

While playing in an intramural football game, Joe is tackled so hard that he breaks a rib. He can actuallyfeel a piece of the rib sticking through the skin and he is having a difficult time breathing. Joe is probably suffering from

Correct AnswerverifiedShow Answer

In-Text Figure Based Questions -What type of epithelium lines the conducting portion of the respiratory tract? (Figure 23-2)

Correct AnswerverifiedShow Answer

The blood air barrier consists of

Correct AnswerverifiedShow Answer

Physical damage to the lamina propria of the nasal mucosa is likely to result in

Correct AnswerverifiedShow Answer

________ involves active inspiratory and expiratory movements and calls on accessory muscles to assistwith inhalation, while exhalation involves contraction of the internal intercostal muscles and sometimes abdominal muscles, too.

Correct AnswerverifiedShow Answer

The respiratory epithelium of the conducting airways consists of

Correct AnswerverifiedShow Answer

Which of these is not part of the upper respiratory system?

Correct AnswerverifiedShow Answer

The entire array of protective mechanisms in the respiratory system is called the

Correct AnswerverifiedShow Answer

The partial pressure of carbon dioxide is greatest in

Correct AnswerverifiedShow Answer

Air moves out of the lungs when the pressure inside the lungs is

Correct AnswerverifiedShow Answer

Which of the following organs is not part of the lower respiratory system?

Correct AnswerverifiedShow Answer

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