Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

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

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 sarcoma 
A)  squamous cell carcinoma 
B)  small cell carcinoma 
C)  adenocarcinoma 
D)  Kaposi's sarcoma

Question 5

How is alveolar gas exchange affected by emphysema and pneumonia?

Accepted Answer

With pneumonia, if the lungs become edem

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

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 9

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 carbaminohemoglobin 
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 carbaminohemoglobin

Question 10

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 alone 
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 alone

Question 11

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...

Question 12

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

Accepted Answer

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

Question 13

The paired lungs occupy all of the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 14

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 15

Increased temperature results in decreased O2 unloading from hemoglobin.

Accepted Answer

A) True 
 B)False

Question 16

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 shifting 
A)  ventilation- perfusion coupling 
B)  the Bohr effect 
C)  the Haldane effect 
D)  chloride shifting

Question 17

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 18

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

Question 19

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 cells 
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 cells

Question 20

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. 
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.

Exam 22: The Respiratory System

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

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

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?

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

How is alveolar gas exchange affected by emphysema and pneumonia?

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

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

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?

Which of the following incorrectly describes mechanisms of CO2 transport?

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

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

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

The paired lungs occupy all of the thoracic cavity.

Increased temperature results in decreased O2 unloading from hemoglobin.

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

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.

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

How is the bulk of carbon dioxide carried in blood?

Select the correct statement about the pharynx.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defensives

The Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

Filters

Which of the following incorrectly describes mechanisms of CO₂ transport?

Increased temperature results in decreased O₂ unloading from hemoglobin.