Question 1

The residual volume is the amount of air remaining in the lungs at the end of a normal expiration.

Accepted Answer

A) True 
 B)False

Question 2

The primary factor that determines the percent Hb saturation is the ____________________.

Accepted Answer

The answer of The primary factor that determines the percent...

Question 3

The apneustic and pneumotaxic centres are located in the ____________________.

Accepted Answer

The answer of The apneustic and pneumotaxic centres are located...

Question 4

The peripheral chemoreceptors are located in the ____________________ and aortic bodies.

Accepted Answer

The answer of The peripheral chemoreceptors are located in the...

Question 5

Which of these statements does NOT indicate why a chloride shift occurs in red blood cells

Accepted Answer

A) to prevent development of an electrical gradient 
B) in response to bicarbonate movement into the plasma 
C) to prevent an increase in blood pH 
D) to restore electrical neutrality 
A) to prevent development of an electrical gradient 
B) in response to bicarbonate movement into the plasma 
C) to prevent an increase in blood pH 
D) to restore electrical neutrality

Question 6

Slow, deep breathing is more effective for increasing alveolar ventilation than is rapid, shallow breathing.

Accepted Answer

A) True 
 B)False

Question 7

The respiratory airways filter, warm, and humidify incoming air.

Accepted Answer

A) True 
 B)False

Question 8

During hyperventilation, arterial PCO₂ levels decrease because CO₂ is blown off more rapidly than it is being produced in the tissues.

Accepted Answer

A) True 
 B)False

Question 9

Which statement describes Type I alveolar cells

Accepted Answer

A) They form the wall of the alveoli. 
B) They secrete pulmonary surfactant. 
C) They contract during expiration to force air out of the alveoli. 
D) They are responsible for surface tension. 
A) They form the wall of the alveoli. 
B) They secrete pulmonary surfactant. 
C) They contract during expiration to force air out of the alveoli. 
D) They are responsible for surface tension.

Question 10

Both the respiratory system and the circulatory system are involved in the process of respiration.

Accepted Answer

A) True 
 B)False

Question 11

An increase of ____________________ ions in the arterial blood changes the respiratory rate by increasing it.

Accepted Answer

The answer of An increase of ____________________ ions in the...

Question 12

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.)
-inspiratory reserve volume + tidal volume + expiratory reserve volume

Accepted Answer

A) vital capacity 
B) respiratory rate 
C) FEV1 
D) tidal volume 
E) residual volume
F)total lung capacity
G)functional residual capacity
H)alveolar ventilation
I)pulmonary ventilation
J)inspiratory reserve volume
K)expiratory reserve volume
L)inspiratory capacity
M)anatomic dead space volume 
A) vital capacity 
B) respiratory rate 
C) FEV1 
D) tidal volume 
E) residual volume
F)total lung capacity
G)functional residual capacity
H)alveolar ventilation
I)pulmonary ventilation
J)inspiratory reserve volume
K)expiratory reserve volume
L)inspiratory capacity
M)anatomic dead space volume

Question 13

Which one of these conditions exists at high altitudes

Accepted Answer

A) histotoxic hypoxia 
B) hypocapnia 
C) anaemic hypoxia 
D) hypoxic hypoxia 
A) histotoxic hypoxia 
B) hypocapnia 
C) anaemic hypoxia 
D) hypoxic hypoxia

Question 14

In addition to providing for gas exchange, what are the other functions of the respiratory system

Accepted Answer

The answer of In addition to providing for gas exchange,...

Question 15

Which of these factors would reduce the amount of oxygen transferred across the respiratory membrane

Accepted Answer

A) a higher partial pressure of oxygen in the atmosphere 
B) an abnormally high partial pressure of carbon dioxide in the atmosphere 
C) a reduced partial pressure of carbon dioxide in the atmosphere 
D) a low pulmonary capillary, partial pressure of oxygen 
A) a higher partial pressure of oxygen in the atmosphere 
B) an abnormally high partial pressure of carbon dioxide in the atmosphere 
C) a reduced partial pressure of carbon dioxide in the atmosphere 
D) a low pulmonary capillary, partial pressure of oxygen

Question 16

Exhaled air passes from the larynx through the trachea.

Accepted Answer

A) True 
 B)False

Question 17

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.)
-breaths/minute

Accepted Answer

A) vital capacity 
B) respiratory rate 
C) FEV1 
D) tidal volume 
E) residual volume
F)total lung capacity
G)functional residual capacity
H)alveolar ventilation
I)pulmonary ventilation
J)inspiratory reserve volume
K)expiratory reserve volume
L)inspiratory capacity
M)anatomic dead space volume 
A) vital capacity 
B) respiratory rate 
C) FEV1 
D) tidal volume 
E) residual volume
F)total lung capacity
G)functional residual capacity
H)alveolar ventilation
I)pulmonary ventilation
J)inspiratory reserve volume
K)expiratory reserve volume
L)inspiratory capacity
M)anatomic dead space volume

Question 18

What is the primary form in which CO₂ is transported in the blood

Accepted Answer

A) physically dissolved 
B) bound to haemoglobin 
C) bound to plasma protein 
D) as bicarbonate 
A) physically dissolved 
B) bound to haemoglobin 
C) bound to plasma protein 
D) as bicarbonate

Question 19

The ____________________ serves as a common passageway for both the respiratory and digestive systems.

Accepted Answer

The answer of The ____________________ serves as a common passageway...

Question 20

Which one of these factors would reduce the alveolar ventilation rate the most

Accepted Answer

A) increased alveolar dead space 
B) decreased alveolar dead space 
C) increased tidal volume 
D) increased vital capacity 
A) increased alveolar dead space 
B) decreased alveolar dead space 
C) increased tidal volume 
D) increased vital capacity

The residual volume is the amount of air remaining in the lungs at the end of a normal expiration.

The primary factor that determines the percent Hb saturation is the ____________________.

The apneustic and pneumotaxic centres are located in the ____________________.

The peripheral chemoreceptors are located in the ____________________ and aortic bodies.

Which of these statements does NOT indicate why a chloride shift occurs in red blood cells

Slow, deep breathing is more effective for increasing alveolar ventilation than is rapid, shallow breathing.

The respiratory airways filter, warm, and humidify incoming air.

During hyperventilation, arterial PCO₂ levels decrease because CO₂ is blown off more rapidly than it is being produced in the tissues.

Which statement describes Type I alveolar cells

Both the respiratory system and the circulatory system are involved in the process of respiration.

An increase of ____________________ ions in the arterial blood changes the respiratory rate by increasing it.

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.) -inspiratory reserve volume + tidal volume + expiratory reserve volume

Which one of these conditions exists at high altitudes

In addition to providing for gas exchange, what are the other functions of the respiratory system

Which of these factors would reduce the amount of oxygen transferred across the respiratory membrane

Exhaled air passes from the larynx through the trachea.

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.) -breaths/minute

What is the primary form in which CO₂ is transported in the blood

The ____________________ serves as a common passageway for both the respiratory and digestive systems.

Which one of these factors would reduce the alveolar ventilation rate the most

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acidbase Balance

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Exam 12: The Respiratory System

The residual volume is the amount of air remaining in the lungs at the end of a normal expiration.

The primary factor that determines the percent Hb saturation is the ____________________.

The apneustic and pneumotaxic centres are located in the ____________________.

The peripheral chemoreceptors are located in the ____________________ and aortic bodies.

Which of these statements does NOT indicate why a chloride shift occurs in red blood cells

Slow, deep breathing is more effective for increasing alveolar ventilation than is rapid, shallow breathing.

The respiratory airways filter, warm, and humidify incoming air.

During hyperventilation, arterial PCO₂ levels decrease because CO₂ is blown off more rapidly than it is being produced in the tissues.

Which statement describes Type I alveolar cells

Both the respiratory system and the circulatory system are involved in the process of respiration.

An increase of ____________________ ions in the arterial blood changes the respiratory rate by increasing it.

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.) -inspiratory reserve volume + tidal volume + expiratory reserve volume

Which one of these conditions exists at high altitudes

In addition to providing for gas exchange, what are the other functions of the respiratory system

Which of these factors would reduce the amount of oxygen transferred across the respiratory membrane

Exhaled air passes from the larynx through the trachea.

Match the lung volume/capacity terms, labelled a. through m., with the descriptions. (Options may be used more than once or not at all.) -breaths/minute

What is the primary form in which CO₂ is transported in the blood

The ____________________ serves as a common passageway for both the respiratory and digestive systems.

Which one of these factors would reduce the alveolar ventilation rate the most

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters