Question 1

Which of the following is responsible for holding the lungs to the thorax wall are ________.

Accepted Answer

A)   the visceral pleurae and the changing volume of the lungs
B)   the smooth muscles of the lung
C)   the diaphragm and the intercostal muscles alone
D)   surface tension from pleural fluid and negative pressure in the pleural cavityE) All of the above
F) B) and C)

Question 2

Match the following:
-The respiratory membrane is composed of fused basement membrane of the capillary walls and ________.

Accepted Answer

A)  Alveolar duct
B)  Segmental (tertiary)  bronchi
C)  Type I alveolar cells
D)  Respiratory bronchioles
E)  Type II alveolar cellsF) A) and D)
G) C) and E)

Question 3

The Heimlich maneuver is a procedure in which air in the lungs is used to expel a piece of food that obstructs the opening to the trachea.

Accepted Answer

A) True 
 B)False

Question 4

The partial pressure gradient for oxygen (in the body)is much steeper than that for carbon dioxide.Explain how equal amounts of these two gases can be exchanged (in a given time interval)in the lungs and at the tissues.

Accepted Answer

Equal amounts of O₂ and CO₂ can ...

Question 5

The statement,"in a mixture of gases,the total pressure is the sum of the individual partial pressures of gases in the mixture" paraphrases ________.

Accepted Answer

A)   Charles' law
B)   Henry's law
C)   Boyle's law
D)   Dalton's lawE) B) and D)
F) None of the above

Question 6

Factors that influence the rate and depth of breathing include ________.

Accepted Answer

A)   stretch receptors in the alveoli
B)   temperature of alveolar air
C)   voluntary cortical control
D)   thalamic controlE) A) and D)
F) A) and C)

Question 7

Which structure is lined with simple squamous epithelium?

Accepted Answer

A)   oropharynx
B)   alveolus
C)   trachea
D)   nasopharynxE) A) and B)
F) A) and C)

Question 8

Strong emotions and pain,acting through the limbic system and hypothalamus,send signals to the respiratory centers that modulate respiratory rate and depth.

Accepted Answer

A) True 
 B)False

Question 9

The law that applies to the amount of CO2 you could dissolve in a soda is called ________ law.

Accepted Answer

A)   Boyle's
B)   Dalton's
C)   Henry's
D)   Murphy'sE) C) and D)
F) All of the above

Question 10

Select the correct statement about the pharynx.

Accepted Answer

A)   The pharyngeal tonsil is located in the laryngopharynx.
B)   The palatine tonsils are embedded in the lateral walls of the nasopharynx.
C)   The laryngopharynx blends posteriorly into the nasopharynx.
D)   The pharyngotympanic (auditory)  tube drains into the nasopharynx.E) A) and D)
F) All of the above

Question 11

For gas exchange to be efficient,the respiratory membrane must be ________.

Accepted Answer

A)   between 5 and 6 micrometers thick
B)   at least 3 micrometers thick
C)   0.5 to 1 micrometer thick
D)   The thickness of the respiratory membrane is not important in the efficiency of gas exchange.E) None of the above
F) All of the above

Question 12

Tidal volume is air ________.

Accepted Answer

A)   exchanged during normal breathing
B)   remaining in the lungs after forced expiration
C)   inhaled after normal inspiration
D)   forcibly expelled after normal expirationE) B) and C)
F) All of the above

Question 13

Which of the following is the leading cause of cancer death for both men and women in North America?

Accepted Answer

A)   lung
B)   colorectal
C)   esophageal
D)   skinE) A) and B)
F) All of the above

Question 14

Labored breathing is termed dyspnea.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following INCORRECTLY describes mechanisms of CO2 transport?

Accepted Answer

A)   as bicarbonate ions in plasma
B)   7-10% of CO2 is dissolved directly into the plasma
C)   just over 20% of CO2 is carried in the form of carbaminohemoglobin
D)   attached to the heme part of hemoglobinE) A) and D)
F) None of the above

Question 16

Figure 22.1
Using Figure 22.1, match the following:
-Main (primary) bronchus.

Accepted Answer

A)  E
B)  A
C)  C
D)  B
E)  DF) D) and E)
G) B) and E)

Question 17

Figure 22.2
Using Figure 22.2, match the following:
-Inspiratory reserve volume.

Accepted Answer

A)  B
B)  D
C)  C
D)  AE) C) and D)
F) A) and B)

Question 18

Smoking diminishes ciliary action and eventually destroys the cilia.

Accepted Answer

A) True 
 B)False

Question 19

The erythrocyte (red blood cell) count increases after a while when an individual goes from a low to a high altitude because the ________.

Accepted Answer

A)   basal metabolic rate is higher at high altitudes
B)   concentration of oxygen and/or total atmospheric pressure is lower at high altitudes
C)   concentration of oxygen and/or total atmospheric pressure is higher at higher altitudes
D)   temperature is lower at higher altitudesE) A) and B)
F) C) and D)

Question 20

Figure 22.2
Using Figure 22.2, match the following:
-Expiratory reserve volume.

Accepted Answer

A)  B
B)  D
C)  C
D)  AE) A) and B)
F) A) and C)

Exam 22: The Respiratory System

Figure 22.2 Using Figure 22.2, match the following: -Expiratory reserve volume.

Correct AnswerverifiedShow Answer

Match the following: -The respiratory membrane is composed of fused basement membrane of the capillary walls and ________.

Correct AnswerverifiedShow Answer

Figure 22.1 Using Figure 22.1, match the following: -Main (primary) bronchus.

Correct AnswerverifiedShow Answer

Labored breathing is termed dyspnea.

Correct AnswerverifiedShow Answer

The partial pressure gradient for oxygen (in the body)is much steeper than that for carbon dioxide.Explain how equal amounts of these two gases can be exchanged (in a given time interval)in the lungs and at the tissues.

Correct AnswerverifiedEqual amounts of O2 and CO2 can ...View AnswerShow Answer

The statement,"in a mixture of gases,the total pressure is the sum of the individual partial pressures of gases in the mixture" paraphrases ________.

Correct AnswerverifiedShow Answer

Select the correct statement about the pharynx.

Correct AnswerverifiedShow Answer

For gas exchange to be efficient,the respiratory membrane must be ________.

Correct AnswerverifiedShow Answer

The Heimlich maneuver is a procedure in which air in the lungs is used to expel a piece of food that obstructs the opening to the trachea.

Correct AnswerverifiedShow Answer

Which of the following is responsible for holding the lungs to the thorax wall are ________.

Correct AnswerverifiedShow Answer

The erythrocyte (red blood cell) count increases after a while when an individual goes from a low to a high altitude because the ________.

Correct AnswerverifiedShow Answer

Tidal volume is air ________.

Correct AnswerverifiedShow Answer

Strong emotions and pain,acting through the limbic system and hypothalamus,send signals to the respiratory centers that modulate respiratory rate and depth.

Correct AnswerverifiedShow Answer

Smoking diminishes ciliary action and eventually destroys the cilia.

Correct AnswerverifiedShow Answer

The law that applies to the amount of CO2 you could dissolve in a soda is called ________ law.

Correct AnswerverifiedShow Answer

Which of the following is the leading cause of cancer death for both men and women in North America?

Correct AnswerverifiedShow Answer

Which of the following INCORRECTLY describes mechanisms of CO2 transport?

Correct AnswerverifiedShow Answer

Which structure is lined with simple squamous epithelium?

Correct AnswerverifiedShow Answer

Factors that influence the rate and depth of breathing include ________.

Correct AnswerverifiedShow Answer

Figure 22.2 Using Figure 22.2, match the following: -Inspiratory reserve volume.

Correct AnswerverifiedShow Answer

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Equal amounts of O₂ and CO₂ can ...
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The law that applies to the amount of CO₂ you could dissolve in a soda is called ________ law.

Correct Answer
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Correct Answer
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Which of the following INCORRECTLY describes mechanisms of CO₂ transport?

Correct Answer
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Correct Answer
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Correct Answer
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