Question 1

What is the primary site for conditioning inhaled air?

Accepted Answer

A)  Paranasal sinuses
B)  Nasal cavity
C)  Pharynx
D)  Larynx
E)  TracheaF) All of the above
G) None of the above

Question 2

Pulmonary surfactant begins to appear in the embryo around the

Accepted Answer

A)  8th week.
B)  18th week.
C)  28th week.
D)  time of birth.E) All of the above
F) B) and C)

Question 3

Which do not belong to the respiratory portion of the respiratory system?

Accepted Answer

A)  Respiratory bronchioles
B)  Alveolar ducts
C)  Terminal bronchioles
D)  Pulmonary alveoli
E)  Alveolar sacsF) A) and B)
G) A) and C)

Question 4

Depression of the ribs increases the lateral dimensions of the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 5

-Which sinus does the number 4 indicate?

Accepted Answer

A)  Frontal sinus
B)  Maxillary sinus
C)  Ethmoidal sinus
D)  Sphenoidal sinus
E)  Sagittal sinusF) A) and B)
G) C) and E)

Question 6

Which center stimulates inspiration by increasing the activity of the dorsal respiratory group (DRG) ?

Accepted Answer

A)  Apneustic center
B)  Pulmonary center
C)  Pneumotaxic center
D)  Respiratory centerE) None of the above
F) A) and B)

Question 7

The left primary bronchus is shorter,wider,and more vertically oriented than the right primary bronchus.

Accepted Answer

A) True 
 B)False

Question 8

Phagocytic cells of the alveolus are the

Accepted Answer

A)  alveolar type II cells.
B)  alveolar type I cells.
C)  alveolar macrophages.
D)  septal cells.
E)  squamous alveolar cells.F) All of the above
G) A) and E)

Question 9

Paranasal sinuses are not found within the

Accepted Answer

A)  sphenoid bone.
B)  frontal bone.
C)  ethmoid bone.
D)  mandible.
E)  maxilla.F) B) and C)
G) A) and E)

Question 10

-In this sagittal section showing the upper respiratory tract,what structure does number 2 indicate?

Accepted Answer

A)  Superior meatus
B)  Inferior meatus
C)  Vestibule
D)  Superior nasal concha
E)  Inferior nasal conchaF) C) and D)
G) A) and B)

Question 11

-In these views of the larynx,what structure does number 2 indicate?

Accepted Answer

A)  Cricothyroid muscle
B)  Thyroid cartilage
C)  Hyoid bone
D)  Cricoid cartilage
E)  Thyrohyoid muscleF) B) and C)
G) C) and D)

Question 12

Which statement is true regarding the location of the trachea?

Accepted Answer

A)  It lies superior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs.
B)  It lies posterior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs.
C)  It lies anterior to the esophagus,inferior to the larynx,and inferior to the primary bronchi of the lungs.
D)  It lies anterior to the esophagus,inferior to the larynx,and superior to the primary bronchi of the lungs.
E)  It lies superior to the esophagus,superior to the larynx,and superior to the primary bronchi of the lungs.F) C) and E)
G) A) and B)

Question 13

Food is normally prevented from entering the nasopharynx by the

Accepted Answer

A)  elevation of the epiglottis.
B)  elevation of the soft palate.
C)  depression of the hard palate.
D)  closure of the nasal conchae.
E)  constriction of the esophagus.F) A) and E)
G) None of the above

Question 14

Following an automobile accident,a broken rib penetrates into the pleural cavity causing blood to accumulate in the space between the visceral and parietal pleura.What condition is this?

Accepted Answer

A)  Pneumothorax
B)  Atelectasis
C)  Tension pneumothorax
D)  Hemothorax
E)  Cystic fibrosisF) A) and D)
G) D) and E)

Question 15

How long is the average trachea?

Accepted Answer

A)  12-14 inches
B)  12-14 cm
C)  12-14 mmD) All of the above
E) A) and B)

Question 16

-In this sagittal section showing the upper respiratory tract,what structure does number 1 indicate?

Accepted Answer

A)  Uvula
B)  Soft palate
C)  Hard palate
D)  Nasal conchae
E)  EpiglottisF) C) and E)
G) A) and B)

Question 17

By following Boyle's law,air flows from a region of lower pressure (the atmosphere)into a region of higher pressure within the lungs.

Accepted Answer

A) True 
 B)False

Question 18

The pulmonary plexus is a weblike network of nerve fibers that surrounds the primary bronchi and enters the lungs at the hilum.It consists of both sympathetic and parasympathetic fibers.

Accepted Answer

A) True 
 B)False

Question 19

What feature is used by both the respiratory and digestive systems?

Accepted Answer

A)  Pharynx
B)  Larynx
C)  Nasal cavity
D)  Paranasal sinuses
E)  EsophagusF) A) and C)
G) A) and B)

Question 20

Which region(s) of the pharynx are lined by pseudostratified ciliated columnar epithelium?

Accepted Answer

A)  Oropharynx
B)  Nasopharynx
C)  Laryngopharynx
D)  Oropharynx and nasopharynx
E)  Oropharynx,nasopharynx,and laryngopharynxF) All of the above
G) C) and D)

Exam 25: Respiratory System

Following an automobile accident,a broken rib penetrates into the pleural cavity causing blood to accumulate in the space between the visceral and parietal pleura.What condition is this?

Correct AnswerverifiedShow Answer

Food is normally prevented from entering the nasopharynx by the

Correct AnswerverifiedShow Answer

-In this sagittal section showing the upper respiratory tract,what structure does number 1 indicate?

Correct AnswerverifiedShow Answer

Which do not belong to the respiratory portion of the respiratory system?

Correct AnswerverifiedShow Answer

What feature is used by both the respiratory and digestive systems?

Correct AnswerverifiedShow Answer

Paranasal sinuses are not found within the

Correct AnswerverifiedShow Answer

The pulmonary plexus is a weblike network of nerve fibers that surrounds the primary bronchi and enters the lungs at the hilum.It consists of both sympathetic and parasympathetic fibers.

Correct AnswerverifiedShow Answer

Which region(s) of the pharynx are lined by pseudostratified ciliated columnar epithelium?

Correct AnswerverifiedShow Answer

Depression of the ribs increases the lateral dimensions of the thoracic cavity.

Correct AnswerverifiedShow Answer

-In these views of the larynx,what structure does number 2 indicate?

Correct AnswerverifiedShow Answer

How long is the average trachea?

Correct AnswerverifiedShow Answer

What is the primary site for conditioning inhaled air?

Correct AnswerverifiedShow Answer

Which statement is true regarding the location of the trachea?

Correct AnswerverifiedShow Answer

-Which sinus does the number 4 indicate?

Correct AnswerverifiedShow Answer

The left primary bronchus is shorter,wider,and more vertically oriented than the right primary bronchus.

Correct AnswerverifiedShow Answer

Which center stimulates inspiration by increasing the activity of the dorsal respiratory group (DRG) ?

Correct AnswerverifiedShow Answer

By following Boyle's law,air flows from a region of lower pressure (the atmosphere)into a region of higher pressure within the lungs.

Correct AnswerverifiedShow Answer

Phagocytic cells of the alveolus are the

Correct AnswerverifiedShow Answer

-In this sagittal section showing the upper respiratory tract,what structure does number 2 indicate?

Correct AnswerverifiedShow Answer

Pulmonary surfactant begins to appear in the embryo around the

Correct AnswerverifiedShow Answer

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