Question 1

During forced breathing,which of the following occurs during inhalation?

Accepted Answer

A)  The diaphragm and external intercostal muscles relax. 
B)  The DRG is inhibited. 
C)  The expiratory center of the VRG is active. 
D)  The inspiratory center of the VRG is inhibited. 
E)  The expiratory center of the VRG is inhibited. 
A)  The diaphragm and external intercostal muscles relax. 
B)  The DRG is inhibited. 
C)  The expiratory center of the VRG is active. 
D)  The inspiratory center of the VRG is inhibited. 
E)  The expiratory center of the VRG is inhibited. E

Question 2

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

Accepted Answer

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

Question 3

The ends of each tracheal cartilage are connected by an elastic ligament and the

Accepted Answer

A)  cuneiform cartilages. 
B)  diaphragm. 
C)  arytenoid cartilages. 
D)  pleura. 
E)  trachealis muscle. 
A)  cuneiform cartilages. 
B)  diaphragm. 
C)  arytenoid cartilages. 
D)  pleura. 
E)  trachealis muscle. E

Question 4

The condition of low tissue oxygen levels is known as

Accepted Answer

A)  cystic fibrosis. 
B)  hypoxia. 
C)  hyperventilation. 
D)  pneumothorax. 
E)  emphysema. 
A)  cystic fibrosis. 
B)  hypoxia. 
C)  hyperventilation. 
D)  pneumothorax. 
E)  emphysema.

Question 5

Glands within the lamina propria of the respiratory mucosa secrete

Accepted Answer

A)  hormones. 
B)  saliva. 
C)  mucus. 
D)  sweat. 
E)  acids. 
A)  hormones. 
B)  saliva. 
C)  mucus. 
D)  sweat. 
E)  acids.

Question 6

Someone suffering from a lack of angiotensin-converting enzyme may have a problem with their

Accepted Answer

A)  endothelial cells of the alveolar capillaries. 
B)  septal cells of the alveolar ducts. 
C)  squamous epithelial cells of the alveoli. 
D)  alveolar macrophages within the alveolar sacs. 
E)  type II pneumocytes lining the respiratory bronchioles. 
A)  endothelial cells of the alveolar capillaries. 
B)  septal cells of the alveolar ducts. 
C)  squamous epithelial cells of the alveoli. 
D)  alveolar macrophages within the alveolar sacs. 
E)  type II pneumocytes lining the respiratory bronchioles.

Question 7

Which of the following has the lowest partial pressure in inhaled dry air?

Accepted Answer

A)  oxygen 
B)  nitrogen 
C)  water vapor 
D)  carbon dioxide 
E)  mercury 
A)  oxygen 
B)  nitrogen 
C)  water vapor 
D)  carbon dioxide 
E)  mercury

Question 8

When a patient has low compliance,it is no reference to her adhering to hospital policy,rather

Accepted Answer

A)  she may suffer from pneumonia. 
B)  she may have an overproduction of surfactant. 
C)  she may have alveolar damage. 
D)  she may have lower energy demands while breathing. 
E)  she may be diagnosed with chronic epistaxis. 
A)  she may suffer from pneumonia. 
B)  she may have an overproduction of surfactant. 
C)  she may have alveolar damage. 
D)  she may have lower energy demands while breathing. 
E)  she may be diagnosed with chronic epistaxis.

Question 9

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

Accepted Answer

A)  larynx 
B)  trachea 
C)  pharynx 
D)  bronchus 
E)  bronchioles 
A)  larynx 
B)  trachea 
C)  pharynx 
D)  bronchus 
E)  bronchioles

Question 10

Microorganisms removed from incoming air by the mucus of the respiratory tract are ultimately exposed to and destroyed by

Accepted Answer

A)  toxins in the mucus. 
B)  the cilia. 
C)  stomach acids and enzymes. 
D)  a lack of nutrients. 
E)  alveolar macrophages. 
A)  toxins in the mucus. 
B)  the cilia. 
C)  stomach acids and enzymes. 
D)  a lack of nutrients. 
E)  alveolar macrophages.

Question 11

Which of the following factors would increase the amount of oxygen released by hemoglobin from the bloodstream?

Accepted Answer

A)  decreased temperature and decreased pH 
B)  decreased pH and increased temperature 
C)  increased tissue   and increased pH 
D)  decreased tissue   and increased pH 
E)  decreased temperature and increased pH 
A)  decreased temperature and decreased pH 
B)  decreased pH and increased temperature 
C)  increased tissue   and increased pH 
D)  decreased tissue   and increased pH 
E)  decreased temperature and increased pH

Question 12

The structure that provides posterior support to the larynx is the

Accepted Answer

A)  glottis. 
B)  cricoid cartilage. 
C)  epiglottis. 
D)  arytenoid cartilage. 
E)  cuneiform cartilage. 
A)  glottis. 
B)  cricoid cartilage. 
C)  epiglottis. 
D)  arytenoid cartilage. 
E)  cuneiform cartilage.

Question 13

The amount of air that can be taken in over and above the tidal volume is the

Accepted Answer

A)  vital capacity. 
B)  residual volume. 
C)  expiratory reserve volume. 
D)  inspiratory reserve volume. 
E)  minimal volume. 
A)  vital capacity. 
B)  residual volume. 
C)  expiratory reserve volume. 
D)  inspiratory reserve volume. 
E)  minimal volume.

Question 14

The actual sites of gas exchange within the lungs include

Accepted Answer

A)  bronchioles. 
B)  alveolar ducts. 
C)  pleural spaces. 
D)  alveoli. 
E)  capillary beds. 
A)  bronchioles. 
B)  alveolar ducts. 
C)  pleural spaces. 
D)  alveoli. 
E)  capillary beds.

Question 15

How does fluid accumulation in the lungs affect vital capacity?

Accepted Answer

A)  Vital capacity increases in females but not in males. 
B)  Vital capacity decreases in females but not in males. 
C)  Vital capacity increases in both sexes equally. 
D)  Vital capacity decreases in both sexes equally. 
E)  Accumulating fluid has no effect on vital capacity. 
A)  Vital capacity increases in females but not in males. 
B)  Vital capacity decreases in females but not in males. 
C)  Vital capacity increases in both sexes equally. 
D)  Vital capacity decreases in both sexes equally. 
E)  Accumulating fluid has no effect on vital capacity.

Question 16

Receptors in the medulla oblongata respond to which variables?

Accepted Answer

A)  pH and   in CSF 
B)  pH and   in blood 
C)    and pH in blood 
D)  pH and   in CSF 
E)  pH and   in CSF 
A)  pH and   in CSF 
B)  pH and   in blood 
C)    and pH in blood 
D)  pH and   in CSF 
E)  pH and   in CSF

Question 17

Active tissues receive approximately ________ as much O₂ as inactive tissues.

Accepted Answer

A)  2 times 
B)  3 times 
C)  5 times 
D)  10 times 
E)  100 times 
A)  2 times 
B)  3 times 
C)  5 times 
D)  10 times 
E)  100 times

Question 18

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

Accepted Answer

A)  larynx 
B)  trachea 
C)  pharynx 
D)  bronchus 
E)  bronchioles 
A)  larynx 
B)  trachea 
C)  pharynx 
D)  bronchus 
E)  bronchioles

Question 19

Which of the following is defined as the absorption of oxygen and the release of carbon dioxide by cells?

Accepted Answer

A)  hypoxia 
B)  external respiration 
C)  anoxia 
D)  pulmonary ventilation 
E)  internal respiration 
A)  hypoxia 
B)  external respiration 
C)  anoxia 
D)  pulmonary ventilation 
E)  internal respiration

Question 20

Which is defined as the amount of air that remains in the lungs after a maximum exhalation?

Accepted Answer

A)  minimal volume 
B)  inspiratory reserve volume 
C)  vital capacity 
D)  expiratory reserve volume 
E)  residual volume 
A)  minimal volume 
B)  inspiratory reserve volume 
C)  vital capacity 
D)  expiratory reserve volume 
E)  residual volume

During forced breathing,which of the following occurs during inhalation?

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

The ends of each tracheal cartilage are connected by an elastic ligament and the

The condition of low tissue oxygen levels is known as

Glands within the lamina propria of the respiratory mucosa secrete

Someone suffering from a lack of angiotensin-converting enzyme may have a problem with their

Which of the following has the lowest partial pressure in inhaled dry air?

When a patient has low compliance,it is no reference to her adhering to hospital policy,rather

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

Microorganisms removed from incoming air by the mucus of the respiratory tract are ultimately exposed to and destroyed by

Which of the following factors would increase the amount of oxygen released by hemoglobin from the bloodstream?

The structure that provides posterior support to the larynx is the

The amount of air that can be taken in over and above the tidal volume is the

The actual sites of gas exchange within the lungs include

How does fluid accumulation in the lungs affect vital capacity?

Receptors in the medulla oblongata respond to which variables?

Active tissues receive approximately ________ as much O₂ as inactive tissues.

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

Which of the following is defined as the absorption of oxygen and the release of carbon dioxide by cells?

Which is defined as the amount of air that remains in the lungs after a maximum exhalation?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

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The Lymphatic System and Immunity

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Exam 15: The Respiratory System

During forced breathing,which of the following occurs during inhalation?

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

The ends of each tracheal cartilage are connected by an elastic ligament and the

The condition of low tissue oxygen levels is known as

Glands within the lamina propria of the respiratory mucosa secrete

Someone suffering from a lack of angiotensin-converting enzyme may have a problem with their

Which of the following has the lowest partial pressure in inhaled dry air?

When a patient has low compliance,it is no reference to her adhering to hospital policy,rather

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

Microorganisms removed from incoming air by the mucus of the respiratory tract are ultimately exposed to and destroyed by

Which of the following factors would increase the amount of oxygen released by hemoglobin from the bloodstream?

The structure that provides posterior support to the larynx is the

The amount of air that can be taken in over and above the tidal volume is the

The actual sites of gas exchange within the lungs include

How does fluid accumulation in the lungs affect vital capacity?

Receptors in the medulla oblongata respond to which variables?

Active tissues receive approximately ________ as much O₂ as inactive tissues.

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

Which of the following is defined as the absorption of oxygen and the release of carbon dioxide by cells?

Which is defined as the amount of air that remains in the lungs after a maximum exhalation?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

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