Question 1

Which of the following forms much of the anterior and lateral surfaces of the larynx,and often contains an "Adam's apple"?

Accepted Answer

A)   arytenoid cartilage
B)   thyroid cartilage
C)   cuneiform cartilage
D)   corniculate cartilage
E)   cricoid cartilage

Question 2

The respiratory mucosa is made up of

Accepted Answer

A)   dense irregular connective tissue.
B)   squamous epithelium.
C)   ciliated cuboidal epithelium.
D)   ciliated columnar epithelium.
E)   dense regular connective tissue.

Question 3

As the volume of the lungs increases,

Accepted Answer

A)   the DRG respiratory center is gradually stimulated, and the VRG respiratory center is inhibited.
B)   the DRG and VRG respiratory centers are stimulated.
C)   the DRG and VRG respiratory centers are inhibited.
D)   the DRG respiratory center is gradually inhibited and the VRG expiratory center is stimulated.
E)   the deflation reflex occurs.

Question 4

The layer of serous membrane that covers the surface of the lungs is the

Accepted Answer

A)   mediastinum.
B)   visceral pleura.
C)   surfactant.
D)   parietal pleura.
E)   pleural fluid.

Question 5

Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe.The problem is most likely the result of

Accepted Answer

A)   inflammation of the bronchi.
B)   constriction of the trachea.
C)   thick secretions that exceed the ability of the respiratory tract cilia to remove them.
D)   laryngeal spasms that occur in response to a toxic substance produced by the epithelial cells.
E)   collapse of one or both lungs.

Question 6

An inability to contract the trachealis muscle would

Accepted Answer

A)   necessitate the Heimlich maneuver.
B)   lead to immediate respiratory failure.
C)   cause the lungs to collapse.
D)   interfere with the passage of large volumes of food.
E)   slacken both the false and true vocal cords.

Question 7

The respiratory rate is

Accepted Answer

A)   higher in adults than in children.
B)   roughly 20-30 breaths per minute for toddlers.
C)   the movement of about 500 ml of air per breath at rest.
D)   the number of breaths per hour.
E)   needed to calculate residual volume.

Question 8

After a healthy newborn takes its first breath,

Accepted Answer

A)   the pressure in the thoracic cavity remains low.
B)   the rib cage returns to its fully compressed state.
C)   the diaphragm and the external intercostal muscles stay contracted.
D)   the alveoli stay open because of the presence of surfactant.
E)   the compliance of the lungs gradually decreases.

Question 9

The walls of the alveoli are lined by

Accepted Answer

A)   stratified cuboidal epithelium.
B)   pseudostratified epithelium.
C)   simple squamous epithelium.
D)   loose connective tissue.
E)   hyaline cartilage.

Question 10

Sympathetic activation leads to

Accepted Answer

A)   relaxation in skeletal muscle of bronchioles, causing bronchodilation.
B)   contraction of smooth muscles of bronchioles, causing bronchoconstriction.
C)   relaxation in smooth muscles of bronchioles, causing bronchodilation.
D)   relaxation of smooth muscles of bronchioles, resulting in bronchoconstriction.
E)   contraction of smooth muscles of bronchioles, causing bronchodilation.

Question 11

The walls of bronchioles are dominated by ________,whose activity is regulated by the autonomic nervous system.

Accepted Answer

A)   C-shaped rings of hyaline cartilage
B)   elastic cartilage
C)   skeletal muscle
D)   a mix of cartilage plates and smooth muscle
E)   smooth muscle

Question 12

During the winter,Brad sleeps in a dorm room that lacks a humidifier for the heated air.In the mornings he notices that his nose is "stuffy," similar to when he has a cold,but after showering and drinking some water,the stuffiness disappears until the next morning.What might be the cause of Brad's nasal condition?

Accepted Answer

Since the air that Brad is breathing is ...

Question 13

The lungs are divided into ________ that are separated by deep fissures.

Accepted Answer

A)   lobules
B)   alveoli
C)   bronchi
D)   bronchioles
E)   lobes

Question 14

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is

Accepted Answer

A)   emphysema.
B)   asthma.
C)   lung cancer.
D)   pneumonia.
E)   cystic fibrosis.

Question 15

Figure 15-1 Components of the Respiratory System
Use Figure 15-1 to identify the labeled part.
-Label C represents which structure(s) ?

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

Accepted Answer

A)   larynx
B)   vestibule
C)   soft palate
D)   external nares
E)   internal nares

Question 18

When a skeletal muscle works hard,

Accepted Answer

A)    and pH increase.
B)   pH increases and  declines.
C)   pH declines and  increases.
D)   pH and  increase.
E)   pH and  decline.

Question 19

Figure 15-1 Components of the Respiratory System
Use Figure 15-1 to identify the labeled part.
-Label I represents which structure(s) ?

Accepted Answer

A)   trachea
B)   smallest bronchioles
C)   bronchus
D)   alveoli
E)   bronchioles

Question 20

Damage to the septal cells of the lungs would most likely result in

Accepted Answer

A)   a thickening of the respiratory membrane.
B)   an increased rate of gas exchange.
C)   alveolar rupture.
D)   reduction in surfactant production.
E)   decreased surface tension in the alveoli.

Exam 15: The Respiratory System

As the volume of the lungs increases,

Correct Answer
verified

The respiratory mucosa is made up of

Correct Answer
verified

Damage to the septal cells of the lungs would most likely result in

Correct Answer
verified

The layer of serous membrane that covers the surface of the lungs is the

Correct Answer
verified

Which of the following forms much of the anterior and lateral surfaces of the larynx,and often contains an "Adam's apple"?

Correct Answer
verified

The respiratory rate is

Correct Answer
verified

Sympathetic activation leads to

Correct Answer
verified

Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe.The problem is most likely the result of

Correct Answer
verified

Correct Answer
verified
Since the air that Brad is breathing is ...
View Answer

The walls of the alveoli are lined by

Correct Answer
verified

The lungs are divided into ________ that are separated by deep fissures.

Correct Answer
verified

After a healthy newborn takes its first breath,

Correct Answer
verified

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is

Correct Answer
verified

Figure 15-1 Components of the Respiratory System Use Figure 15-1 to identify the labeled part. -Label C represents which structure(s) ?

Correct Answer
verified

Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

Correct Answer
verified

An inability to contract the trachealis muscle would

Correct Answer
verified

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

Correct Answer
verified

Figure 15-1 Components of the Respiratory System Use Figure 15-1 to identify the labeled part. -Label I represents which structure(s) ?

Correct Answer
verified

When a skeletal muscle works hard,

Correct Answer
verified

The walls of bronchioles are dominated by ________,whose activity is regulated by the autonomic nervous system.

Correct Answer
verified

Exam 15: The Respiratory System

As the volume of the lungs increases,

Correct AnswerverifiedShow Answer

The respiratory mucosa is made up of

Correct AnswerverifiedShow Answer

Damage to the septal cells of the lungs would most likely result in

Correct AnswerverifiedShow Answer

The layer of serous membrane that covers the surface of the lungs is the

Correct AnswerverifiedShow Answer

Which of the following forms much of the anterior and lateral surfaces of the larynx,and often contains an "Adam's apple"?

Correct AnswerverifiedShow Answer

The respiratory rate is

Correct AnswerverifiedShow Answer

Sympathetic activation leads to

Correct AnswerverifiedShow Answer

Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe.The problem is most likely the result of

Correct AnswerverifiedShow Answer

Correct AnswerverifiedSince the air that Brad is breathing is ...View AnswerShow Answer

The walls of the alveoli are lined by

Correct AnswerverifiedShow Answer

The lungs are divided into ________ that are separated by deep fissures.

Correct AnswerverifiedShow Answer

After a healthy newborn takes its first breath,

Correct AnswerverifiedShow Answer

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is

Correct AnswerverifiedShow Answer

Figure 15-1 Components of the Respiratory System Use Figure 15-1 to identify the labeled part. -Label C represents which structure(s) ?

Correct AnswerverifiedShow Answer

Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

Correct AnswerverifiedShow Answer

An inability to contract the trachealis muscle would

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Figure 15-1 Components of the Respiratory System Use Figure 15-1 to identify the labeled part. -Label I represents which structure(s) ?

Correct AnswerverifiedShow Answer

When a skeletal muscle works hard,

Correct AnswerverifiedShow Answer

The walls of bronchioles are dominated by ________,whose activity is regulated by the autonomic nervous system.

Correct AnswerverifiedShow Answer

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Since the air that Brad is breathing is ...
View Answer

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