Question 1

Which factor would reduce the alveolar ventilation rate the most?

Accepted Answer

A)  increased alveolar dead space. 
B)  decreased alveolar dead space. 
C)  increased respiratory rate. 
D)  increased tidal volume. 
E)  quiet breathing. 
A)  increased alveolar dead space. 
B)  decreased alveolar dead space. 
C)  increased respiratory rate. 
D)  increased tidal volume. 
E)  quiet breathing.

Question 2

MATCHING
Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once.
-respiratory rate X tidal 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 3

A highly compliant lung is easier to stretch than a less compliant one.

Accepted Answer

A) True 
 B)False

Question 4

Pulmonary surfactant is secreted by Type II alveolar cells.

Accepted Answer

A) True 
 B)False

Question 5

All respiratory airways are held open by cartilaginous rings.

Accepted Answer

A) True 
 B)False

Question 6

Indicate which type of hypoxia would be present in each of the circumstances listed below by writing the appropriate letter in the blank using the following answer code.
-COPD

Accepted Answer

A) anemic hypoxia 
B) circulatory hypoxia 
C) histotoxic hypoxia 
D) hypoxic hypoxia 
A) anemic hypoxia 
B) circulatory hypoxia 
C) histotoxic hypoxia 
D) hypoxic hypoxia

Question 7

Describe how hemoglobin's saturation is related to oxygen delivery to tissue.

Accepted Answer

Hemoglobin acts as a storage site for ox

Question 8

Systemic venous PO2 is ____ alveolar PO2 , and systemic venous PCO2  is ____ alveolar PCO2 .

Accepted Answer

A)  greater than, greater than. 
B)  greater than, less than. 
C)  less than, greater than. 
D)  less than, less than. 
E)  equal to, equal to. 
A)  greater than, greater than. 
B)  greater than, less than. 
C)  less than, greater than. 
D)  less than, less than. 
E)  equal to, equal to.

Question 9

MATCHING
Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once.
-volume of air that can be expired during the first second of expiration in a vital-capacity determination

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 10

PO? in the blood

Accepted Answer

A)  refers to the pressure exerted by the amount of oxygen dissolved in the blood. 
B)  is the most important factor determining the percent saturation of hemoglobin. 
C)  is normal in carbon monoxide poisoning. 
D)  two of these answers. 
E)  all of these answers. 
A)  refers to the pressure exerted by the amount of oxygen dissolved in the blood. 
B)  is the most important factor determining the percent saturation of hemoglobin. 
C)  is normal in carbon monoxide poisoning. 
D)  two of these answers. 
E)  all of these answers.

Question 11

Indicate the effect the following changes would have on oxygen release from Hb.
-elevated levels of carbon dioxide

Accepted Answer

A) this change would increase the rate 
B) this change would decrease the rate 
C) this change would have no effect on the rate 
A) this change would increase the rate 
B) this change would decrease the rate 
C) this change would have no effect on the rate

Question 12

Indicate which type of hypoxia would be present in each of the circumstances listed below by writing the appropriate letter in the blank using the following answer code.
-cyanide poisoning

Accepted Answer

A) anemic hypoxia 
B) circulatory hypoxia 
C) histotoxic hypoxia 
D) hypoxic hypoxia 
A) anemic hypoxia 
B) circulatory hypoxia 
C) histotoxic hypoxia 
D) hypoxic hypoxia

Question 13

The brain region that provides output to the respiratory muscles is located in the

Accepted Answer

A)  pons. 
B)  medulla. 
C)  cerebral cortex. 
D)  cerebellum. 
E)  hypothalamus. 
A)  pons. 
B)  medulla. 
C)  cerebral cortex. 
D)  cerebellum. 
E)  hypothalamus.

Question 14

If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute.

Accepted Answer

A)  6 
B)  8 
C)  14 
D)  16 
E)  20 
A)  6 
B)  8 
C)  14 
D)  16 
E)  20

Question 15

Which of the following would decrease diffusion of a gas across the alveolar/pulmonary capillary membrane?

Accepted Answer

A)  an increase in thickness of the membrane 
B)  an increase in surface area of the membrane 
C)  an increase in the partial pressure gradient 
D)  two of these answers. 
E)  all of these answers. 
A)  an increase in thickness of the membrane 
B)  an increase in surface area of the membrane 
C)  an increase in the partial pressure gradient 
D)  two of these answers. 
E)  all of these answers.

Question 16

Stimulation of the sympathetic nervous system and epinephrine release lead to an increase in airway resistance.

Accepted Answer

A) True 
 B)False

Question 17

The maximum volume of air that can be moved in and out of the lungs in a single breath is known as the ____________________.

Accepted Answer

The answer of The maximum volume of air that can...

Question 18

MATCHING
Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once.
-respiratory rate X (tidal volume - dead space 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 19

Emphysema can be brought on by recurrent episodes of asthma and/or chronic bronchitis.

Accepted Answer

A) True 
 B)False

Question 20

The receptors that are stimulated when blood PO? drops below 60 mm Hg are located in the

Accepted Answer

A)  respiratory center of the brain. 
B)  carotid and aortic bodies. 
C)  tissue capillaries. 
D)  two of these answers are correct. 
E)  all of these answers. 
A)  respiratory center of the brain. 
B)  carotid and aortic bodies. 
C)  tissue capillaries. 
D)  two of these answers are correct. 
E)  all of these answers.

Which factor would reduce the alveolar ventilation rate the most?

MATCHING Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once. -respiratory rate X tidal volume

A highly compliant lung is easier to stretch than a less compliant one.

Pulmonary surfactant is secreted by Type II alveolar cells.

All respiratory airways are held open by cartilaginous rings.

Indicate which type of hypoxia would be present in each of the circumstances listed below by writing the appropriate letter in the blank using the following answer code. -COPD

Describe how hemoglobin's saturation is related to oxygen delivery to tissue.

Systemic venous PO₂ is alveolar PO₂ , and systemic venous PCO₂ is alveolar PCO₂ .

PO? in the blood

Indicate the effect the following changes would have on oxygen release from Hb. -elevated levels of carbon dioxide

Indicate which type of hypoxia would be present in each of the circumstances listed below by writing the appropriate letter in the blank using the following answer code. -cyanide poisoning

The brain region that provides output to the respiratory muscles is located in the

If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute.

Which of the following would decrease diffusion of a gas across the alveolar/pulmonary capillary membrane?

Stimulation of the sympathetic nervous system and epinephrine release lead to an increase in airway resistance.

The maximum volume of air that can be moved in and out of the lungs in a single breath is known as the ____________________.

MATCHING Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once. -respiratory rate X (tidal volume - dead space volume)

Emphysema can be brought on by recurrent episodes of asthma and/or chronic bronchitis.

The receptors that are stimulated when blood PO? drops below 60 mm Hg are located in the

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 and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 12: The Respiratory System

Which factor would reduce the alveolar ventilation rate the most?

MATCHING Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once. -respiratory rate X tidal volume

A highly compliant lung is easier to stretch than a less compliant one.

Pulmonary surfactant is secreted by Type II alveolar cells.

All respiratory airways are held open by cartilaginous rings.

Indicate which type of hypoxia would be present in each of the circumstances listed below by writing the appropriate letter in the blank using the following answer code. -COPD

Describe how hemoglobin's saturation is related to oxygen delivery to tissue.

Systemic venous PO2 is ____ alveolar PO2 , and systemic venous PCO2 is ____ alveolar PCO2 .

PO? in the blood

Indicate the effect the following changes would have on oxygen release from Hb. -elevated levels of carbon dioxide

Indicate which type of hypoxia would be present in each of the circumstances listed below by writing the appropriate letter in the blank using the following answer code. -cyanide poisoning

The brain region that provides output to the respiratory muscles is located in the

If the pulmonary ventilation rate is 3200 ml/minute with a tidal volume of 400, the respiratory rate is ____ breaths per minute.

Which of the following would decrease diffusion of a gas across the alveolar/pulmonary capillary membrane?

Stimulation of the sympathetic nervous system and epinephrine release lead to an increase in airway resistance.

The maximum volume of air that can be moved in and out of the lungs in a single breath is known as the ____________________.

MATCHING Indicate which lung volume or capacity is being described in the column below by filling in the appropriate letter in the blank. There is only one correct answer for each question and each answer may be used more than once. -respiratory rate X (tidal volume - dead space volume)

Emphysema can be brought on by recurrent episodes of asthma and/or chronic bronchitis.

The receptors that are stimulated when blood PO? drops below 60 mm Hg are located in the

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 and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Systemic venous PO₂ is alveolar PO₂ , and systemic venous PCO₂ is alveolar PCO₂ .