Question 1

Several things happen to inhaled air in a process called conditioning.Select the exception.

Accepted Answer

A)  The air is cooled.
B)  The air is humidified.
C)  The air is cleansed.
D)  The air is moistened.
E)  The air becomes turbulent.F) B) and E)
G) C) and D)

Question 2

The nose contains a single septal cartilage.How many alar cartilages are in the nose

Accepted Answer

A)  One
B)  Two
C)  Three
D)  FourE) A) and D)
F) B) and C)

Question 3

Prematurely born infants sometimes experience respiratory distress due to inadequate production of surfactant.

Accepted Answer

A) True 
 B)False

Question 4

Breathing muscles such as the diaphragm are controlled by neurons of the _________ nervous system.

Accepted Answer

A)  somatic
B)  autonomic
C)  entericD) All of the above
E) B) and C)

Question 5

What prevents the trachea from collapsing

Accepted Answer

A)  The internal air pressure within the trachea
B)  The surrounding muscles
C)  The internal epithelium
D)  The C-shaped cartilaginous ringsE) A) and B)
F) A) and C)

Question 6

The exchange of oxygen and carbon dioxide between the air in the alveoli and blood in the lungs is called

Accepted Answer

A)  ventilation.
B)  systemic respiration.
C)  internal respiration.
D)  external respiration.
E)  cellular respiration.F) A) and B)
G) A) and E)

Question 7

Which of the following has the highest partial pressure of carbon dioxide

Accepted Answer

A)  The alveoli of the lungs
B)  The blood circulating in systemic arteries
C)  The systemic cellsD) A) and B)
E) B) and C)

Question 8

The male voice tends to be in a lower range than a female's voice because men have

Accepted Answer

A)  more taut vestibular folds.
B)  more air to push through the rima glottidis.
C)  wider arytenoid cartilages.
D)  shorter and fatter vestibular ligaments.
E)  longer and thicker vocal folds.F) C) and D)
G) All of the above

Question 9

The most common cell making up the alveolar wall is the

Accepted Answer

A)  alveolar type II cell.
B)  alveolar type I cell.
C)  alveolar macrophage.
D)  dust cell.
E)  septal cell.F) B) and E)
G) All of the above

Question 10

How long is the average trachea

Accepted Answer

A)  12-14 inches
B)  12-14 cm
C)  12-14 mmD) A) and C)
E) A) and B)

Question 11

What structure is also known as the "voice box"

Accepted Answer

A)  Larynx
B)  Pharynx
C)  Esophagus
D)  Bronchus
E)  TracheaF) C) and E)
G) C) and D)

Question 12

From moment to moment,the oxygen partial pressure gradient between systemic capillary blood and systemic cells switches: one moment it favors diffusion toward the blood and the next moment it favors diffusion toward the cells.

Accepted Answer

A) True 
 B)False

Question 13

The potential space between the serous membranes surrounding each lung is known as the pleural _________.

Accepted Answer

The answer of The potential space between the serous membranes...

Question 14

A buildup of fluid in the lungs caused by pneumonia leads to an increase in the

Accepted Answer

A)  physiologic dead space.
B)  anatomic dead space.
C)  residual volume.D) A) and C)
E) A) and B)

Question 15

The expiratory reserve volume plus the residual volume equals the

Accepted Answer

A)  tidal volume.
B)  functional residual capacity.
C)  inspiratory reserve volume.
D)  vital capacity.
E)  forced expiratory volume.F) C) and E)
G) None of the above

Question 16

-In this sagittal section showing the upper respiratory tract,what structure does number 5 indicate

Accepted Answer

A)  Uvula
B)  Soft palate
C)  Hard palate
D)  Nasal conchae
E)  Nasal boneF) All of the above
G) B) and E)

Question 17

When someone exercises vigorously,their breathing is described as demonstrating

Accepted Answer

A)  hyperpnea,involving deeper but not faster breathing.
B)  hyperventilation,involving both deeper and faster breathing.
C)  bradypnea,involving deeper and slower breathing.
D)  hypopnea,involving shallower but faster breathing.E) B) and C)
F) B) and D)

Question 18

Air flows out of the body during expiration because

Accepted Answer

A)  intrapulmonary pressure is greater than atmospheric pressure.
B)  intrapleural pressure is greater than intrapulmonary pressure.
C)  atmospheric pressure is greater than intrapulmonary pressure.
D)  intrapleural pressure is greater than atmospheric pressure.E) B) and D)
F) All of the above

Question 19

Foreign particles

Accepted Answer

A)  are more likely to lodge in the right primary bronchus.
B)  are more likely to lodge in the left primary bronchus.
C)  lodge equally often in each of the two primary bronchi.D) A) and B)
E) All of the above

Question 20

An increase in the partial pressure of oxygen causes pulmonary arterioles to ________,thereby altering _______ to make gas exchange more efficient.

Accepted Answer

A)  constrict;perfusion
B)  dilate;perfusion
C)  constrict;ventilation
D)  dilate;ventilationE) A) and D)
F) All of the above

Exam 23: Respiratory System

A buildup of fluid in the lungs caused by pneumonia leads to an increase in the

Correct AnswerverifiedShow Answer

Prematurely born infants sometimes experience respiratory distress due to inadequate production of surfactant.

Correct AnswerverifiedShow Answer

What prevents the trachea from collapsing

Correct AnswerverifiedShow Answer

The exchange of oxygen and carbon dioxide between the air in the alveoli and blood in the lungs is called

Correct AnswerverifiedShow Answer

Which of the following has the highest partial pressure of carbon dioxide

Correct AnswerverifiedShow Answer

The male voice tends to be in a lower range than a female's voice because men have

Correct AnswerverifiedShow Answer

From moment to moment,the oxygen partial pressure gradient between systemic capillary blood and systemic cells switches: one moment it favors diffusion toward the blood and the next moment it favors diffusion toward the cells.

Correct AnswerverifiedShow Answer

How long is the average trachea

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Breathing muscles such as the diaphragm are controlled by neurons of the _________ nervous system.

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Foreign particles

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The potential space between the serous membranes surrounding each lung is known as the pleural _________.

Correct AnswerverifiedShow Answer

An increase in the partial pressure of oxygen causes pulmonary arterioles to ________,thereby altering _______ to make gas exchange more efficient.

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What structure is also known as the "voice box"

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-In this sagittal section showing the upper respiratory tract,what structure does number 5 indicate

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The most common cell making up the alveolar wall is the

Correct AnswerverifiedShow Answer

When someone exercises vigorously,their breathing is described as demonstrating

Correct AnswerverifiedShow Answer

Several things happen to inhaled air in a process called conditioning.Select the exception.

Correct AnswerverifiedShow Answer

Air flows out of the body during expiration because

Correct AnswerverifiedShow Answer

The nose contains a single septal cartilage.How many alar cartilages are in the nose

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The expiratory reserve volume plus the residual volume equals the

Correct AnswerverifiedShow Answer

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An increase in the partial pressure of oxygen causes pulmonary arterioles to __,thereby altering _ to make gas exchange more efficient.

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