Question 1

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

Accepted Answer

The answer of  Figure 22.2Using Figure 22.2, match the...

Question 2

Which of the following maintains the patency (openness)  of the trachea?

Accepted Answer

A)   pseudostratified ciliated epithelium
B)   C- shaped cartilage rings
C)   surfactant production
D)   surface tension of waterE) B) and D)
F) B) and C)

Question 3

After a long scuba diving session on a Caribbean reef, Carl boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happening to him?

Accepted Answer

Carl is experiencing the bends due to se...

Question 4

A patient was admitted to the hospital with chronic obstructive pulmonary disease. His PO2 was 55 and PCO2 was 65. A new resident orders 54% oxygen via the venturi mask. One hour later, after the oxygen was placed, the nurse finds the patient with no respiration or pulse. She calls for a Code Blue and begins cardiopulmonary resuscitation (CPR). Explain why the patient stopped breathing.

Accepted Answer

In people who retain carbon dioxide beca...

Question 5

Select the correct statement about the pharynx.

Accepted Answer

A)   The palatine tonsils are embedded in the lateral walls of the nasopharynx.
B)   The auditory tube drains into the nasopharynx.
C)   The pharyngeal tonsil is located in the laryngopharynx.
D)   The laryngopharynx blends posteriorly into the nasopharynx.E) All of the above
F) None of the above

Question 6

Which of the following incorrectly describes mechanisms of CO2 transport?

Accepted Answer

A)   7- 10% of CO2 is dissolved directly into the plasma
B)   attached to the heme part of hemoglobin
C)   as bicarbonate ion in plasma
D)   20% of CO2 is carried in the form of carbaminohemoglobinE) None of the above
F) All of the above

Question 7

Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is not a form of lung cancer?

Accepted Answer

A)   squamous cell carcinoma
B)   small cell carcinoma
C)   adenocarcinoma
D)   Kaposi's sarcomaE) C) and D)
F) A) and B)

Question 9

The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to the air.

Accepted Answer

A) True 
 B)False

Question 10

Increased temperature results in decreased O2 unloading from hemoglobin.

Accepted Answer

A) True 
 B)False

Question 11

How is the bulk of carbon dioxide carried in blood?

Accepted Answer

A)   as carbonic acid in the plasma
B)   chemically combined with the heme portion of hemoglobin
C)   as the bicarbonate ion in the plasma after first entering the red blood cells
D)   chemically combined with the amino acids of hemoglobin as carbaminohemoglobin in the red blood cellsE) None of the above
F) B) and C)

Question 12

The factors 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)   surface tension from pleural fluid and negative pressure in the pleural cavity
D)   the diaphragm and the intercostal muscles aloneE) A) and B)
F) C) and D)

Question 13

Timothy has been having difficulty breathing since he had pneumonia last month. Recently he had severe pain in his chest and back, and his breathing was extremely irregular. The doctor at the emergency room told him that one of the lobes of his lung had collapsed. How could this happen?

Accepted Answer

Timothy suffered a pneumothorax, or lung...

Question 14

Figure 22.2Using Figure 22.2, match the following:
-Air that does not participate in the exchange of gases.

Accepted Answer

The answer of  Figure 22.2Using Figure 22.2, match the...

Question 15

How is alveolar gas exchange affected by emphysema and pneumonia?

Accepted Answer

With pneumonia, if the lungs become edem...

Question 16

Atelectasis (lung collapse) renders the lung useless for ventilation.

Accepted Answer

A) True 
 B)False

Question 17

Figure 22.2Using Figure 22.2, match the following:
-Residual volume.

Accepted Answer

The answer of  Figure 22.2Using Figure 22.2, match the...

Question 18

Figure 22.1Using Figure 22.1, match the following:
-Trachea.

Accepted Answer

The answer of  Figure 22.1Using Figure 22.1, match the...

Question 19

The paired lungs occupy all of the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 20

The local matching of blood flow with ventilation is _ _.

Accepted Answer

A)   ventilation- perfusion coupling
B)   the Bohr effect
C)   the Haldane effect
D)   chloride shiftingE) A) and C)
F) A) and D)

Exam 22: The Respiratory System

Figure 22.2Using Figure 22.2, match the following: -Air that does not participate in the exchange of gases.

Correct Answer
verified

How is alveolar gas exchange affected by emphysema and pneumonia?

Correct Answer
verified
With pneumonia, if the lungs become edem...
View Answer

Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.

Correct Answer
verified

Figure 22.2Using Figure 22.2, match the following: -Residual volume.

Correct Answer
verified

The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to the air.

Correct Answer
verified

The local matching of blood flow with ventilation is _ _.

Correct Answer
verified

Figure 22.1Using Figure 22.1, match the following: -Trachea.

Correct Answer
verified

Atelectasis (lung collapse) renders the lung useless for ventilation.

Correct Answer
verified

The factors responsible for holding the lungs to the thorax wall are .

Correct Answer
verified

After a long scuba diving session on a Caribbean reef, Carl boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happening to him?

Correct Answer
verified
Carl is experiencing the bends due to se...
View Answer

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

Correct Answer
verified

Which of the following is not a form of lung cancer?

Correct Answer
verified

Increased temperature results in decreased O₂ unloading from hemoglobin.

Correct Answer
verified

The paired lungs occupy all of the thoracic cavity.

Correct Answer
verified

Correct Answer
verified
In people who retain carbon dioxide beca...
View Answer

Which of the following incorrectly describes mechanisms of CO₂ transport?

Correct Answer
verified

Select the correct statement about the pharynx.

Correct Answer
verified

Timothy has been having difficulty breathing since he had pneumonia last month. Recently he had severe pain in his chest and back, and his breathing was extremely irregular. The doctor at the emergency room told him that one of the lobes of his lung had collapsed. How could this happen?

Correct Answer
verified
Timothy suffered a pneumothorax, or lung...
View Answer

Which of the following maintains the patency (openness) of the trachea?

Correct Answer
verified

How is the bulk of carbon dioxide carried in blood?

Correct Answer
verified

Exam 22: The Respiratory System

Figure 22.2Using Figure 22.2, match the following: -Air that does not participate in the exchange of gases.

Correct AnswerverifiedShow Answer

How is alveolar gas exchange affected by emphysema and pneumonia?

Correct AnswerverifiedWith pneumonia, if the lungs become edem...View AnswerShow Answer

Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.

Correct AnswerverifiedShow Answer

Figure 22.2Using Figure 22.2, match the following: -Residual volume.

Correct AnswerverifiedShow Answer

The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to the air.

Correct AnswerverifiedShow Answer

The local matching of blood flow with ventilation is _ _.

Correct AnswerverifiedShow Answer

Figure 22.1Using Figure 22.1, match the following: -Trachea.

Correct AnswerverifiedShow Answer

Atelectasis (lung collapse) renders the lung useless for ventilation.

Correct AnswerverifiedShow Answer

The factors responsible for holding the lungs to the thorax wall are .

Correct AnswerverifiedShow Answer

After a long scuba diving session on a Caribbean reef, Carl boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happening to him?

Correct AnswerverifiedCarl is experiencing the bends due to se...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not a form of lung cancer?

Correct AnswerverifiedShow Answer

Increased temperature results in decreased O2 unloading from hemoglobin.

Correct AnswerverifiedShow Answer

The paired lungs occupy all of the thoracic cavity.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedIn people who retain carbon dioxide beca...View AnswerShow Answer

Which of the following incorrectly describes mechanisms of CO2 transport?

Correct AnswerverifiedShow Answer

Select the correct statement about the pharynx.

Correct AnswerverifiedShow Answer

Timothy has been having difficulty breathing since he had pneumonia last month. Recently he had severe pain in his chest and back, and his breathing was extremely irregular. The doctor at the emergency room told him that one of the lobes of his lung had collapsed. How could this happen?

Correct AnswerverifiedTimothy suffered a pneumothorax, or lung...View AnswerShow Answer

Which of the following maintains the patency (openness) of the trachea?

Correct AnswerverifiedShow Answer

How is the bulk of carbon dioxide carried in blood?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
With pneumonia, if the lungs become edem...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Carl is experiencing the bends due to se...
View Answer

Correct Answer
verified

Correct Answer
verified

Increased temperature results in decreased O₂ unloading from hemoglobin.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
In people who retain carbon dioxide beca...
View Answer

Which of the following incorrectly describes mechanisms of CO₂ transport?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Timothy suffered a pneumothorax, or lung...
View Answer

Correct Answer
verified

Correct Answer
verified