Question 1

Two general categories of respiratory dysfunction yield abnormal results during spirometry: __________ lung disease and __________ lung disease.​

Accepted Answer

obstructive;restrictive​

Question 2

What condition is characterized by normal lung tissue being replaced with scar-forming fibrous connective tissue as a result of exposure to asbestos fibers or similar irritants?​

Accepted Answer

A) ​pleurisy 
B) chronic bronchitis 
C) emphysema 
D) pulmonary fibrosis 
E) ​asthma 
A) ​pleurisy 
B) chronic bronchitis 
C) emphysema 
D) pulmonary fibrosis 
E) ​asthma D

Question 3

Prostaglandins can spill into the blood,but they are __________ during passage through the lungs so that they cannot exert systemic effects.

Accepted Answer

inactivated​

Question 4

The amount of O₂ picked up in the lungs exceeds the amount extracted and used by the tissues.​

Accepted Answer

A) True 
 B)False

Question 5

Anemic hypoxia is a reduced O₂-carrying capacity of the blood.​

Accepted Answer

A) True 
 B)False

Question 6

Where are the central chemoreceptors located?​

Accepted Answer

A) ​aortic bodies 
B) carotid bodies 
C) lungs 
D) pons 
E) medulla 
A) ​aortic bodies 
B) carotid bodies 
C) lungs 
D) pons 
E) medulla

Question 7

What nerve innervates the diaphragm?​

Accepted Answer

A) ​phrenic 
B) vagus 
C) intercostal 
D) T10 
E) ​T8 
A) ​phrenic 
B) vagus 
C) intercostal 
D) T10 
E) ​T8

Question 8

Emphysema is characterized by __________ of the smaller airways and breakdown of __________ walls.​

Accepted Answer

The answer of Emphysema is characterized by __________ of the...

Question 9

When pulmonary compliance is __________,such as with pulmonary fibrosis,more work is required to expand the lungs.​

Accepted Answer

The answer of When pulmonary compliance is __________,such as with...

Question 10

What is the typical tidal volume under resting conditions for adults?​

Accepted Answer

A) ​1,500 mL 
B) 1,200 mL 
C) 1,000 mL 
D) 800 mL 
E) ​500 mL 
A) ​1,500 mL 
B) 1,200 mL 
C) 1,000 mL 
D) 800 mL 
E) ​500 mL

Question 11

The tremendous surface tension of pure water is normally counteracted by pulmonary surfactant.​

Accepted Answer

A) True 
 B)False

Question 12

How much can alveolar ventilation increase during heavy exercise in order to keep pace with the increased demand for O₂ uptake and CO₂ output?​

Accepted Answer

A) ​2-fold 
B) 5-fold 
C) 10-fold 
D) 20-fold 
E) ​50-fold 
A) ​2-fold 
B) 5-fold 
C) 10-fold 
D) 20-fold 
E) ​50-fold

Question 13

Arterial PCO₂ is monitored by peripheral chemoreceptors known as the carotid bodies and arterial bodies.

Accepted Answer

A) True 
 B)False

Question 14

Most CO₂ is transported in the blood as:​

Accepted Answer

A) ​bicarbonate 
B) bound to hemoglobin 
C) dissolved in plasma 
D) carbon monoxide 
E) ​water 
A) ​bicarbonate 
B) bound to hemoglobin 
C) dissolved in plasma 
D) carbon monoxide 
E) ​water

Question 15

The mechanical act of breathing is called __________.​

Accepted Answer

The answer of The mechanical act of breathing is called...

Question 16

A double-walled,closed sac called the pleural sac separates each lung from the thoracic wall and other surrounding structures.​

Accepted Answer

A) True 
 B)False

Question 17

Inadequate gas exchange can occur when the thickness of the barrier separating the air and blood is pathologically decreased.​

Accepted Answer

A) True 
 B)False

Question 18

How much oxygen does atmospheric air have?​

Accepted Answer

A) ​15% 
B) 17% 
C) 19% 
D) 21% 
E) ​25% 
A) ​15% 
B) 17% 
C) 19% 
D) 21% 
E) ​25%

Question 19

The lungs' elastic behavior results from elastin fibers and alveolar surface tension.​

Accepted Answer

A) True 
 B)False

Question 20

What is arteriolar and bronchiolar smooth muscle especially sensitive to in their immediate environments?​

Accepted Answer

A) ​O₂ levels 
B) CO₂ levels 
C) surfactant levels 
D) pH 
E) ​glucose 
A) ​O₂ levels 
B) CO₂ levels 
C) surfactant levels 
D) pH 
E) ​glucose

Two general categories of respiratory dysfunction yield abnormal results during spirometry: lung disease and lung disease.

What condition is characterized by normal lung tissue being replaced with scar-forming fibrous connective tissue as a result of exposure to asbestos fibers or similar irritants?

Prostaglandins can spill into the blood,but they are __________ during passage through the lungs so that they cannot exert systemic effects.

The amount of O₂ picked up in the lungs exceeds the amount extracted and used by the tissues.

Anemic hypoxia is a reduced O₂-carrying capacity of the blood.

Where are the central chemoreceptors located?

What nerve innervates the diaphragm?

Emphysema is characterized by of the smaller airways and breakdown of walls.

When pulmonary compliance is __________,such as with pulmonary fibrosis,more work is required to expand the lungs.

What is the typical tidal volume under resting conditions for adults?

The tremendous surface tension of pure water is normally counteracted by pulmonary surfactant.

How much can alveolar ventilation increase during heavy exercise in order to keep pace with the increased demand for O₂ uptake and CO₂ output?

Arterial PCO₂ is monitored by peripheral chemoreceptors known as the carotid bodies and arterial bodies.

Most CO₂ is transported in the blood as:

The mechanical act of breathing is called __________.

A double-walled,closed sac called the pleural sac separates each lung from the thoracic wall and other surrounding structures.

Inadequate gas exchange can occur when the thickness of the barrier separating the air and blood is pathologically decreased.

How much oxygen does atmospheric air have?

The lungs' elastic behavior results from elastin fibers and alveolar surface tension.

What is arteriolar and bronchiolar smooth muscle especially sensitive to in their immediate environments?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Exam 13: The Respiratory System

Two general categories of respiratory dysfunction yield abnormal results during spirometry: __________ lung disease and __________ lung disease.​

What condition is characterized by normal lung tissue being replaced with scar-forming fibrous connective tissue as a result of exposure to asbestos fibers or similar irritants?​

Prostaglandins can spill into the blood,but they are __________ during passage through the lungs so that they cannot exert systemic effects.

The amount of O₂ picked up in the lungs exceeds the amount extracted and used by the tissues.​

Anemic hypoxia is a reduced O₂-carrying capacity of the blood.​

Where are the central chemoreceptors located?​

What nerve innervates the diaphragm?​

Emphysema is characterized by __________ of the smaller airways and breakdown of __________ walls.​

When pulmonary compliance is __________,such as with pulmonary fibrosis,more work is required to expand the lungs.​

What is the typical tidal volume under resting conditions for adults?​

The tremendous surface tension of pure water is normally counteracted by pulmonary surfactant.​

How much can alveolar ventilation increase during heavy exercise in order to keep pace with the increased demand for O₂ uptake and CO₂ output?​

Arterial PCO₂ is monitored by peripheral chemoreceptors known as the carotid bodies and arterial bodies.

Most CO₂ is transported in the blood as:​

The mechanical act of breathing is called __________.​

A double-walled,closed sac called the pleural sac separates each lung from the thoracic wall and other surrounding structures.​

Inadequate gas exchange can occur when the thickness of the barrier separating the air and blood is pathologically decreased.​

How much oxygen does atmospheric air have?​

The lungs' elastic behavior results from elastin fibers and alveolar surface tension.​

What is arteriolar and bronchiolar smooth muscle especially sensitive to in their immediate environments?​

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Two general categories of respiratory dysfunction yield abnormal results during spirometry: lung disease and lung disease.

What condition is characterized by normal lung tissue being replaced with scar-forming fibrous connective tissue as a result of exposure to asbestos fibers or similar irritants?

The amount of O₂ picked up in the lungs exceeds the amount extracted and used by the tissues.

Anemic hypoxia is a reduced O₂-carrying capacity of the blood.

Where are the central chemoreceptors located?

What nerve innervates the diaphragm?

Emphysema is characterized by of the smaller airways and breakdown of walls.

When pulmonary compliance is __________,such as with pulmonary fibrosis,more work is required to expand the lungs.

What is the typical tidal volume under resting conditions for adults?

The tremendous surface tension of pure water is normally counteracted by pulmonary surfactant.

How much can alveolar ventilation increase during heavy exercise in order to keep pace with the increased demand for O₂ uptake and CO₂ output?

Most CO₂ is transported in the blood as:

The mechanical act of breathing is called __________.

A double-walled,closed sac called the pleural sac separates each lung from the thoracic wall and other surrounding structures.

Inadequate gas exchange can occur when the thickness of the barrier separating the air and blood is pathologically decreased.

How much oxygen does atmospheric air have?

The lungs' elastic behavior results from elastin fibers and alveolar surface tension.

What is arteriolar and bronchiolar smooth muscle especially sensitive to in their immediate environments?