Question 1

-In this closeup image of a lung,what structure does number 3 indicate

Accepted Answer

A)  Respiratory bronchiole
B)  Alveolar duct
C)  Alveolus
D)  Terminal bronchiole
E)  BronchioleF) A) and E)
G) B) and C)

Question 2

-In these views of the trachea,what type of tissue does number 3 indicate

Accepted Answer

A)  Thyroid cartilage
B)  Trachealis muscle
C)  Tracheal cartilage
D)  Anular ligament
E)  Cricoid cartilageF) A) and B)
G) A) and D)

Question 3

If all else remains equal,an increase in the difference between atmospheric and alveolar pressure results in an increase in airflow.

Accepted Answer

A) True 
 B)False

Question 4

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 B)
G) A) and C)

Question 5

What connects the pharynx to the trachea

Accepted Answer

A)  Esophagus
B)  Bronchi
C)  Alveolar ducts
D)  Larynx
E)  Nasal cavityF) A) and D)
G) All of the above

Question 6

-In this view of the larynx,what structure does number 2 indicate

Accepted Answer

A)  Tracheal cartilage
B)  Thyroid cartilage
C)  Hyoid bone
D)  Cricoid cartilage
E)  EpiglottisF) A) and B)
G) A) and C)

Question 7

Contraction of these muscles depresses the ribs,but only during forced exhalation.

Accepted Answer

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

Question 8

Because oxygen has a low solubility coefficient in water,

Accepted Answer

A)  it is easily dissolved in water and requires only a slight partial pressure gradient to enter the water.
B)  it is easily dissolved in water and the partial pressure gradient is irrelevant to its solubilty.
C)  it is not easily dissolved in water and requires a steep partial pressure gradient to enter the water.
D)  it is impossible to dissolve oxygen into water unless the partial pressure gradient is very minor.E) C) and D)
F) B) and D)

Question 9

Foreign particles that are not filtered out by the respiratory epithelium are

Accepted Answer

A)  dissolved by enzymes in the alveoli.
B)  coughed up during normal daily activities.
C)  collected by lymph nodes.
D)  carried away in blood.
E)  stored in nearby pulmonary alcoves.F) All of the above
G) A) and C)

Question 10

__________ is the amount of air that moves into and out of the lungs with each breath.

Accepted Answer

The answer of __________ is the amount of air that...

Question 11

Inspiratory capacity is greater than inspiratory reserve volume.

Accepted Answer

A) True 
 B)False

Question 12

What structure connects the larynx to the primary bronchi

Accepted Answer

A)  Trachea
B)  Pharynx
C)  Esophagus
D)  Bronchioles
E)  Alveolar ductsF) A) and B)
G) None of the above

Question 13

Tracheal cartilages provide for _______ on the ________ aspect of the trachea.

Accepted Answer

A)  flexibility;anterior
B)  flexibility;posterior
C)  rigidity;anterior
D)  rigidity;posteriorE) A) and B)
F) A) and C)

Question 14

Pulmonary fibrosis

Accepted Answer

A)  decreases elasticity,thereby increasing resistance and decreasing airflow.
B)  increases elasticity,thereby increasing resistance and decreasing airflow.
C)  decreases elasticity,thereby decreasing both resistance and airflow.
D)  increases elasticity,thereby decreasing resistance and increasing airflow.E) A) and C)
F) All of the above

Question 15

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 C)

Question 16

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

Accepted Answer

A)  enlarged
B)  polygonal
C)  stratified
D)  circular
E)  columnarF) A) and B)
G) A) and C)

Question 17

The region of the nasal cavity immediately internal to the nostrils is the _________;it contains coarse guard hairs.

Accepted Answer

A)  choanae
B)  olfactory region
C)  vestibule
D)  respiratory region
E)  nasopharynxF) A) and D)
G) A) and C)

Question 18

In general,respiratory zone structures are lined with a thicker mucosa than conducting zone structures.

Accepted Answer

A) True 
 B)False

Question 19

Imagine that someone is climbing a mountain on a very hot day.As their muscles work,acidic by-products are generated.Describe the relevant responses of the respiratory system and also describe how the affinity for hemoglobin will change under these conditions.

Accepted Answer

On a hot day, as someone climbs a mounta...

Question 20

The chest wall is anatomically configured to contract inwardly,so that when the thorax is opened surgically its walls collapse.

Accepted Answer

A) True 
 B)False

Exam 23: Respiratory System

Food is normally prevented from entering the nasopharynx by the

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-In this view of the larynx,what structure does number 2 indicate

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The chest wall is anatomically configured to contract inwardly,so that when the thorax is opened surgically its walls collapse.

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Contraction of these muscles depresses the ribs,but only during forced exhalation.

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If all else remains equal,an increase in the difference between atmospheric and alveolar pressure results in an increase in airflow.

Correct AnswerverifiedShow Answer

What structure connects the larynx to the primary bronchi

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What connects the pharynx to the trachea

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-In these views of the trachea,what type of tissue does number 3 indicate

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Phagocytic cells of the alveolus are the

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-In this closeup image of a lung,what structure does number 3 indicate

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Foreign particles that are not filtered out by the respiratory epithelium are

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

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Tracheal cartilages provide for _______ on the ________ aspect of the trachea.

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Inspiratory capacity is greater than inspiratory reserve volume.

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Imagine that someone is climbing a mountain on a very hot day.As their muscles work,acidic by-products are generated.Describe the relevant responses of the respiratory system and also describe how the affinity for hemoglobin will change under these conditions.

Correct AnswerAnswered by ExamLex AIOn a hot day, as someone climbs a mounta...View AnswerShow Answer

__________ is the amount of air that moves into and out of the lungs with each breath.

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The region of the nasal cavity immediately internal to the nostrils is the _________;it contains coarse guard hairs.

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In general,respiratory zone structures are lined with a thicker mucosa than conducting zone structures.

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Pulmonary fibrosis

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Because oxygen has a low solubility coefficient in water,

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Tracheal cartilages provide for _ on the __ aspect of the trachea.

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On a hot day, as someone climbs a mounta...
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