Question 1

The visible and palpable prominence on the throat known as the Adam's apple is part of the

Accepted Answer

A)  epiglottis.
B)  cricoid cartilage.
C)  glottis.
D)  corniculate cartilage.
E)  thyroid cartilage.

Question 2

The paired cartilages that articulate with the superior border of the cricoid cartilage and help with opening and closing the glottis to produce sound are the ________ cartilages.

Accepted Answer

A)  thyroid
B)  tracheal
C)  cuneiform
D)  corniculate
E)  arytenoid

Question 3

External respiration involves the

Accepted Answer

A)  movement of air into and out of the lungs.
B)  diffusion of gases between the alveoli and the circulating blood.
C)  exchange of dissolved gases between the blood and the interstitial fluid.
D)  binding of oxygen by hemoglobin.
E)  utilization of oxygen by tissues to support metabolism.

Question 4

Are chemoreceptors more sensitive to blood CO2 levels or blood O2 levels?

Accepted Answer

A)  blood CO2 levels
B)  blood O2 levels

Question 5

What is the significance of Henry's law to the process of respiration?

Accepted Answer

A)  Henry's law states that in a mixture of gases,the individual gases exert a pressure proportional to their abundance in the mixture.
B)  Henry's law states that at a given temperature,the amount of a particular gas that dissolves in a liquid is directly proportional to the partial pressure of that gas,which underlies the diffusion of gases between capillaries and alveoli,and between capillaries and interstitial fluid.
C)  Henry's law states that at a constant temperature,the pressure of a gas is inversely proportional to its volume.
D)  Henry's law states that at a constant temperature,the pressure of a gas is directly proportional to its volume.
E)  Henry's law states that at a given temperature,the amount of a particular gas that dissolves in a liquid is inversely proportional to the partial pressure of that gas,which underlies the diffusion of gases between capillaries and alveoli,and between capillaries and interstitial fluid.

Question 6

Describe lung cancer.

Accepted Answer

Lung cancer is an aggressive class of ma...

Question 7

The measure of how easily the lungs expand and contract is termed

Accepted Answer

A)  resistance.
B)  elasticity.
C)  compliance.
D)  rebound response.
E)  inflation index.

Question 8

Which of the following is false about the pharynx?

Accepted Answer

A)  It is shared by the integumentary and respiratory systems.
B)  The nasopharynx is superior.
C)  The oropharynx connects to oral cavity.
D)  The laryngopharynx ends at esophagus opening.
E)  Solids,liquids,and gases pass through.

Question 9

Harry suffers from cystic fibrosis and has severe breathing difficulties.His problems result from

Accepted Answer

A)  inability of the respiratory defense mechanism to transport mucus.
B)  uncontrollable laryngospasms.
C)  production of thick secretions that are difficult to transport.
D)  both the inability of the respiratory defense mechanism to transport mucus and the production of thick secretions that are difficult to transport.
E)  All of the answers are correct.

Question 10

The pneumotaxic center

Accepted Answer

A)  is in the pons.
B)  excites the apneustic center.
C)  inhibits the apneustic center.
D)  both is in the pons and excites the apneustic center.
E)  both is in the pons and inhibits the apneustic center.

Question 11

Figure 21-1
-Identify the structure labeled "7."

Accepted Answer

A)  internal nares
B)  esophagus
C)  glottis
D)  oropharynx
E)  laryngopharynx

Question 12

The ultimate function of pulmonary ventilation is to

Accepted Answer

A)  remove carbon dioxide from the blood.
B)  supply oxygen to the blood.
C)  provide adequate alveolar ventilation.
D)  remove air from dead air space.
E)  prevent gas exchange in the bronchioles.

Question 13

Ralph is taking scuba diving classes and is warned not to hold his breath when ascending from depth but to continuously release air from his mouth.What is the basis of this instruction,and what is the risk if it is ignored?

Accepted Answer

When breathing underwater with scuba equ...

Question 14

Figure 21-1
-Identify the structure labeled "2."

Accepted Answer

A)  olfactory organ
B)  oropharynx
C)  nasopharynx
D)  choanae
E)  nasal sinus

Question 15

The nasopharynx is divided from the rest of the pharynx by the

Accepted Answer

A)  hard palate.
B)  soft palate.
C)  cribriform plate.
D)  internal nares.
E)  pharyngeal septum.

Question 16

Describe the structures of the glottis.

Accepted Answer

A)  The glottis contains the vestibular ligaments that extend between the thyroid cartilage and the arytenoid cartilages.
B)  The glottis contains the large epiglottis that covers the glottis during swallowing and the thyroid cartilage which forms most of the anterior and lateral walls of the larynx.
C)  The glottis contains the vocal folds that contain the vocal ligaments and the rima glottidis which is the opening between the vocal folds.
D)  The glottis contains the superior,middle,and inferior meatuses,which swirls air in the larynx producing sound.
E)  The glottis contains a vestibule and a septum.As air passes through the vestibule it is split by the septum producing sound.

Question 17

The larynx contains all of the followingexcept

Accepted Answer

A)  three unpaired cartilages.
B)  three paired cartilages.
C)  a total of nine cartilages.
D)  vestibular ligaments.
E)  C-rings composed of hyaline cartilage.

Question 18

Trace the pathway of air through the upper respiratory system.

Accepted Answer

nostrils - nasal cavity - nasal vestibul...

Question 19

Identify the primary inspiratory muscles.

Accepted Answer

A)  diaphragm and external intercostal muscles
B)  diaphragm and internal intercostal muscles
C)  internal and external intercostal muscles
D)  diaphragm and the rectus abdominis muscles
E)  scalenes and serratus anterior

Question 20

Identify three chronic obstructive pulmonary diseases (COPDs) .

Accepted Answer

A)  asthma,lung cancer,chronic bronchitis
B)  chronic bronchitis,lung cancer,emphysema
C)  asthma,chronic bronchitis,emphysema
D)  asthma,pneumonia,chronic bronchitis
E)  chronic bronchitis,lung cancer,pneumonia

Exam 21: The Respiratory System

Ralph is taking scuba diving classes and is warned not to hold his breath when ascending from depth but to continuously release air from his mouth.What is the basis of this instruction,and what is the risk if it is ignored?

Correct AnswerverifiedWhen breathing underwater with scuba equ...View AnswerShow Answer

Which of the following is false about the pharynx?

Correct AnswerverifiedShow Answer

Figure 21-1 -Identify the structure labeled "7."

Correct AnswerverifiedShow Answer

What is the significance of Henry's law to the process of respiration?

Correct AnswerverifiedShow Answer

External respiration involves the

Correct AnswerverifiedShow Answer

The paired cartilages that articulate with the superior border of the cricoid cartilage and help with opening and closing the glottis to produce sound are the ________ cartilages.

Correct AnswerverifiedShow Answer

Harry suffers from cystic fibrosis and has severe breathing difficulties.His problems result from

Correct AnswerverifiedShow Answer

Identify the primary inspiratory muscles.

Correct AnswerverifiedShow Answer

Identify three chronic obstructive pulmonary diseases (COPDs) .

Correct AnswerverifiedShow Answer

The measure of how easily the lungs expand and contract is termed

Correct AnswerverifiedShow Answer

The ultimate function of pulmonary ventilation is to

Correct AnswerverifiedShow Answer

Figure 21-1 -Identify the structure labeled "2."

Correct AnswerverifiedShow Answer

The nasopharynx is divided from the rest of the pharynx by the

Correct AnswerverifiedShow Answer

Trace the pathway of air through the upper respiratory system.

Correct Answerverifiednostrils - nasal cavity - nasal vestibul...View AnswerShow Answer

The larynx contains all of the followingexcept

Correct AnswerverifiedShow Answer

Describe lung cancer.

Correct AnswerverifiedLung cancer is an aggressive class of ma...View AnswerShow Answer

Describe the structures of the glottis.

Correct AnswerverifiedShow Answer

The visible and palpable prominence on the throat known as the Adam's apple is part of the

Correct AnswerverifiedShow Answer

Are chemoreceptors more sensitive to blood CO2 levels or blood O2 levels?

Correct AnswerverifiedShow Answer

The pneumotaxic center

Correct AnswerverifiedShow Answer

Correct Answer
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When breathing underwater with scuba equ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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nostrils - nasal cavity - nasal vestibul...
View Answer

Correct Answer
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Correct Answer
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Lung cancer is an aggressive class of ma...
View Answer

Correct Answer
verified

Correct Answer
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Are chemoreceptors more sensitive to blood CO₂ levels or blood O₂ levels?

Correct Answer
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Correct Answer
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