Question 1

These muscles increase thoracic cavity dimensions by elevating the first and second ribs during forced inhalation.

Accepted Answer

A)  External intercostals
B)  Scalenes
C)  Transversus thoracis
D)  Internal intercostals
E)  Serratus posterior inferiorF) A) and E)
G) None of the above

Question 2

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) C) and D)
G) A) and B)

Question 3

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

Accepted Answer

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

Question 4

Cystic fibrosis is a transmittable disease of the lungs.

Accepted Answer

A) True 
 B)False

Question 5

During the development of the respiratory system,the vasculature,muscle,and cartilage of each lung form from

Accepted Answer

A)  ectoderm.
B)  mesoderm.
C)  endoderm.D) A) and B)
E) B) and C)

Question 6

Sudden infant death syndrome (SIDS),also known as crib death,occurs more often when babies sleep on their stomach.

Accepted Answer

A) True 
 B)False

Question 7

Organize the items listed into the proper sequence of events for gas exchange. 
A: O2 is transported to cells by circulatory system
B: O2 is drawn into the lungs during inhalation
C: Cells use O2 and generate CO2
d: CO2 is exhaled
E: The circulatory system transports CO2 to the lungs

Accepted Answer

A)  a,b,c,d,e
B)  b,a,c,d,e
C)  b,a,c,e,d
D)  c,e,d,a,b
E)  e,d,c,b,aF) B) and C)
G) A) and D)

Question 8

Which statement is true regarding secondary bronchi?

Accepted Answer

A)  The right lung has two secondary bronchi and the left lung has three secondary bronchi.
B)  The left lung has two secondary bronchi and the right lung has three secondary bronchi.
C)  Each lung has two secondary bronchi.
D)  Each lung has three secondary bronchi.
E)  Each lung has four secondary bronchi.F) A) and D)
G) A) and B)

Question 9

-What is the primary site for conditioning inhaled air?

Accepted Answer

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

Question 10

The typical cell making up the alveolar wall is the

Accepted Answer

A)  alveolar type II cell.
B)  alveolar type I cell.
C)  alveolar macrophages.
D)  dust cells.
E)  septal cell.F) B) and D)
G) D) and E)

Question 11

What type of tissue lines the trachea?

Accepted Answer

A)  Cuboidal epithelium
B)  Simple squamous epithelium
C)  Stratified squamous keratinized epithelium
D)  Stratified squamous nonkeratinized epithelium
E)  Pseudostratified ciliated columnar epitheliumF) A) and D)
G) B) and E)

Question 12

Alveoli abut against each other,causing them to appear _________ in cross section.

Accepted Answer

A)  collapsed
B)  polygonal
C)  stratified
D)  circular
E)  flattenedF) C) and E)
G) A) and B)

Question 13

-This figure shows respiratory control centers in the brainstem.What does number 2 indicate?

Accepted Answer

A)  Central chemoreceptors
B)  Pontine respiratory group
C)  Dorsal respiratory group
D)  Ventral respiratory groupE) All of the above
F) A) and B)

Question 14

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

Accepted Answer

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

Question 15

Which is not a change associated with the aging of the respiratory system?

Accepted Answer

A)  Increase in the elastic connective tissue in the lungs and the thoracic cavity wall
B)  Reduction in the amount of gas that can be exchanged
C)  Decrease in the ventilation rate
D)  Reduction in the number of alveoli
E)  Accumulation of carbon,dust,and pollution in the lungsF) A) and E)
G) C) and D)

Question 16

In a patient with pneumonia,fluid and _________ accumulate in the lung alveoli.

Accepted Answer

A)  erythrocytes
B)  septal cells
C)  leukocytes
D)  chyme
E)  mast cellsF) A) and B)
G) C) and D)

Question 17

These muscles extend from a superior rib inferomedially to the adjacent inferior rib.They elevate the ribs upon contraction,thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

Accepted Answer

A)  External intercostals
B)  Scalenes
C)  Transversus thoracis
D)  Internal intercostals
E)  Serratus posterior inferiorF) A) and E)
G) A) and B)

Question 18

-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) C) and D)
G) None of the above

Question 19

What structure prevents food and drink from entering the trachea,conducts air,and produces sound?

Accepted Answer

A)  Esophagus
B)  Bronchi
C)  Pharynx
D)  Nasal cavity
E)  LarynxF) B) and D)
G) C) and D)

Question 20

-In these views of the trachea,what structure does number 1 indicate?

Accepted Answer

A)  Trachealis muscle
B)  Pseudostratified ciliated columnar epithelium
C)  Goblet cell
D)  Anular ligament
E)  CarinaF) A) and D)
G) B) and E)

Exam 25: Respiratory System

What type of tissue lines the trachea?

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What structure prevents food and drink from entering the trachea,conducts air,and produces sound?

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These muscles extend from a superior rib inferomedially to the adjacent inferior rib.They elevate the ribs upon contraction,thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Food is normally prevented from entering the nasopharynx by the

Correct AnswerverifiedShow Answer

-What is the primary site for conditioning inhaled air?

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Alveoli abut against each other,causing them to appear _________ in cross section.

Correct AnswerverifiedShow Answer

Which is not a change associated with the aging of the respiratory system?

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In a patient with pneumonia,fluid and _________ accumulate in the lung alveoli.

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The typical cell making up the alveolar wall is the

Correct AnswerverifiedShow Answer

Cystic fibrosis is a transmittable disease of the lungs.

Correct AnswerverifiedShow Answer

Sudden infant death syndrome (SIDS),also known as crib death,occurs more often when babies sleep on their stomach.

Correct AnswerverifiedShow Answer

-This figure shows respiratory control centers in the brainstem.What does number 2 indicate?

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-In these views of the trachea,what structure does number 1 indicate?

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Which statement is true regarding secondary bronchi?

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Organize the items listed into the proper sequence of events for gas exchange. A: O2 is transported to cells by circulatory system B: O2 is drawn into the lungs during inhalation C: Cells use O2 and generate CO2 d: CO2 is exhaled E: The circulatory system transports CO2 to the lungs

Correct AnswerverifiedShow Answer

These muscles increase thoracic cavity dimensions by elevating the first and second ribs during forced inhalation.

Correct AnswerverifiedShow Answer

During the development of the respiratory system,the vasculature,muscle,and cartilage of each lung form from

Correct AnswerverifiedShow Answer

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Organize the items listed into the proper sequence of events for gas exchange. A: O₂ is transported to cells by circulatory system B: O₂ is drawn into the lungs during inhalation C: Cells use O₂ and generate CO₂d: CO₂ is exhaled E: The circulatory system transports CO₂ to the lungs

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