Question 1

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

Accepted Answer

A)  pneumonia 
B)  pneumothorax 
C)  cystic fibrosis 
D)  pleurisy 
E)  emphysema 
A)  pneumonia 
B)  pneumothorax 
C)  cystic fibrosis 
D)  pleurisy 
E)  emphysema

Question 2

Which statement regarding carbon dioxide transport in the blood is true?

Accepted Answer

A)  The chloride shift occurs when Cl- moves out of RBCs in exchange for HCO3-. 
B)  HCO3- dissociates into CO2 and O2. 
C)  25% is converted to H2CO3 by carbonic anhydrase. 
D)  H2CO3 dissociates into H+ and HCO3-. 
E)  93% remains dissolved in plasma as CO2. 
A)  The chloride shift occurs when Cl- moves out of RBCs in exchange for HCO3-. 
B)  HCO3- dissociates into CO2 and O2. 
C)  25% is converted to H2CO3 by carbonic anhydrase. 
D)  H2CO3 dissociates into H+ and HCO3-. 
E)  93% remains dissolved in plasma as CO2.

Question 3

After a healthy newborn takes its first breath,

Accepted Answer

A)  the pressure in the thoracic cavity remains low. 
B)  the rib cage returns to its fully compressed state. 
C)  the diaphragm and the external intercostal muscles stay contracted. 
D)  the alveoli stay open because of the presence of surfactant. 
E)  the compliance of the lungs gradually decreases. 
A)  the pressure in the thoracic cavity remains low. 
B)  the rib cage returns to its fully compressed state. 
C)  the diaphragm and the external intercostal muscles stay contracted. 
D)  the alveoli stay open because of the presence of surfactant. 
E)  the compliance of the lungs gradually decreases.

Question 4

The lungs are divided into ________ that are separated by deep fissures.

Accepted Answer

A)  lobules 
B)  alveoli 
C)  bronchi 
D)  bronchioles 
E)  lobes 
A)  lobules 
B)  alveoli 
C)  bronchi 
D)  bronchioles 
E)  lobes

Question 5

The lamina propria of the respiratory mucosa consists of which of the following connective tissues?

Accepted Answer

A)  reticular 
B)  adipose 
C)  dense fibrous 
D)  areolar 
E)  elastic 
A)  reticular 
B)  adipose 
C)  dense fibrous 
D)  areolar 
E)  elastic

Question 6

The term ________ refers to an increase in the PCO2 of arterial blood.

Accepted Answer

A)  hyperventilation 
B)  hypoventilation 
C)  hypocapnia 
D)  hypercapnia 
E)  hypoglycemia 
A)  hyperventilation 
B)  hypoventilation 
C)  hypocapnia 
D)  hypercapnia 
E)  hypoglycemia

Question 7

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 8

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is

Accepted Answer

A)  emphysema. 
B)  asthma. 
C)  lung cancer. 
D)  pneumonia. 
E)  cystic fibrosis. 
A)  emphysema. 
B)  asthma. 
C)  lung cancer. 
D)  pneumonia. 
E)  cystic fibrosis.

Question 9

The amount of oxygen bound (or released) by hemoglobin depends primarily on which of the following?

Accepted Answer

A)  PCO2 of its surroundings 
B)  PN2 of its surroundings 
C)  the carbonic anhydrase available 
D)  PO2 of its surroundings 
E)  the effect of the chloride shift 
A)  PCO2 of its surroundings 
B)  PN2 of its surroundings 
C)  the carbonic anhydrase available 
D)  PO2 of its surroundings 
E)  the effect of the chloride shift

Question 10

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.

Question 11

Decompression sickness is a painful condition that results in ________ gas coming out of solution in the bloodstream.

Accepted Answer

A)  oxygen 
B)  hydrogen 
C)  nitrogen 
D)  carbon dioxide 
E)  carbon monoxide 
A)  oxygen 
B)  hydrogen 
C)  nitrogen 
D)  carbon dioxide 
E)  carbon monoxide

Question 12

A chamber shared by the respiratory and digestive systems is the

Accepted Answer

A)  larynx. 
B)  glottis. 
C)  vestibule. 
D)  pharynx. 
E)  trachea. 
A)  larynx. 
B)  glottis. 
C)  vestibule. 
D)  pharynx. 
E)  trachea.

Question 13

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

Accepted Answer

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

Question 14

Airways that supply one lobe of a lung are called

Accepted Answer

A)  secondary bronchi. 
B)  bronchioles. 
C)  tertiary bronchi. 
D)  primary bronchi. 
E)  alveoli. 
A)  secondary bronchi. 
B)  bronchioles. 
C)  tertiary bronchi. 
D)  primary bronchi. 
E)  alveoli.

Question 15

The walls of bronchioles are dominated by ________, whose activity is regulated by the autonomic nervous system.

Accepted Answer

A)  C-shaped rings of hyaline cartilage 
B)  elastic cartilage 
C)  skeletal muscle 
D)  a mix of cartilage plates and smooth muscle 
E)  smooth muscle 
A)  C-shaped rings of hyaline cartilage 
B)  elastic cartilage 
C)  skeletal muscle 
D)  a mix of cartilage plates and smooth muscle 
E)  smooth muscle

Question 16

During exhalation,

Accepted Answer

A)  pressure inside the lungs is less than the outside pressure. 
B)  pressure within the thoracic cavity decreases. 
C)  inside and outside pressures are equal. 
D)  the volume of the thoracic cavity increases. 
E)  the volume of the thoracic cavity decreases. 
A)  pressure inside the lungs is less than the outside pressure. 
B)  pressure within the thoracic cavity decreases. 
C)  inside and outside pressures are equal. 
D)  the volume of the thoracic cavity increases. 
E)  the volume of the thoracic cavity decreases.

Question 17

When a skeletal muscle works hard,

Accepted Answer

A)  PO2 and pH increase. 
B)  pH increases and PCO2 declines. 
C)  pH declines and PCO2 increases. 
D)  pH and PCO2 increase. 
E)  pH and PCO2 decline 
A)  PO2 and pH increase. 
B)  pH increases and PCO2 declines. 
C)  pH declines and PCO2 increases. 
D)  pH and PCO2 increase. 
E)  pH and PCO2 decline

Question 18

Which of the following is the most abundant gas in the air?

Accepted Answer

A)  oxygen (O2) 
B)  nitrogen (N2) 
C)  water vapor (H2O) 
D)  carbon dioxide (CO2) 
E)  hydrogen (H2) 
A)  oxygen (O2) 
B)  nitrogen (N2) 
C)  water vapor (H2O) 
D)  carbon dioxide (CO2) 
E)  hydrogen (H2)

Question 19

Identify the most common lethal inherited disease affecting Caucasians of Northern European descent that results from a defective gene located on chromosome 7.

Accepted Answer

A)  asthma 
B)  emphysema 
C)  pneumothorax 
D)  pneumonia 
E)  cystic fibrosis 
A)  asthma 
B)  emphysema 
C)  pneumothorax 
D)  pneumonia 
E)  cystic fibrosis

Question 20

The enzyme carbonic anhydrase causes what to occur in RBCs?

Accepted Answer

A)  carbon dioxide to be converted to carbonic acid 
B)  carbon dioxide to be converted to water 
C)  water to be converted to oxygen and carbon dioxide 
D)  water to react with hydrogen ions 
E)  carbonic acid to be converted to hemoglobin 
A)  carbon dioxide to be converted to carbonic acid 
B)  carbon dioxide to be converted to water 
C)  water to be converted to oxygen and carbon dioxide 
D)  water to react with hydrogen ions 
E)  carbonic acid to be converted to hemoglobin

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

Which statement regarding carbon dioxide transport in the blood is true?

After a healthy newborn takes its first breath,

The lungs are divided into ________ that are separated by deep fissures.

The lamina propria of the respiratory mucosa consists of which of the following connective tissues?

The term ________ refers to an increase in the PCO₂ of arterial blood.

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

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is

The amount of oxygen bound (or released) by hemoglobin depends primarily on which of the following?

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

Decompression sickness is a painful condition that results in ________ gas coming out of solution in the bloodstream.

A chamber shared by the respiratory and digestive systems is the

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

Airways that supply one lobe of a lung are called

The walls of bronchioles are dominated by ________, whose activity is regulated by the autonomic nervous system.

During exhalation,

When a skeletal muscle works hard,

Which of the following is the most abundant gas in the air?

Identify the most common lethal inherited disease affecting Caucasians of Northern European descent that results from a defective gene located on chromosome 7.

The enzyme carbonic anhydrase causes what to occur in RBCs?

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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Exam 15: The Respiratory System

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

Which statement regarding carbon dioxide transport in the blood is true?

After a healthy newborn takes its first breath,

The lungs are divided into ________ that are separated by deep fissures.

The lamina propria of the respiratory mucosa consists of which of the following connective tissues?

The term ________ refers to an increase in the PCO2 of arterial blood.

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

The illness characterized by shortness of breath resulting from loss of respiratory membrane surface for gas exchange is

The amount of oxygen bound (or released) by hemoglobin depends primarily on which of the following?

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

Decompression sickness is a painful condition that results in ________ gas coming out of solution in the bloodstream.

A chamber shared by the respiratory and digestive systems is the

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

Airways that supply one lobe of a lung are called

The walls of bronchioles are dominated by ________, whose activity is regulated by the autonomic nervous system.

During exhalation,

When a skeletal muscle works hard,

Which of the following is the most abundant gas in the air?

Identify the most common lethal inherited disease affecting Caucasians of Northern European descent that results from a defective gene located on chromosome 7.

The enzyme carbonic anhydrase causes what to occur in RBCs?

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

Filters

The term ________ refers to an increase in the PCO₂ of arterial blood.