Question 1

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 2

Pulmonary surfactant reduces the work of breathing and increases lung stability by increasing alveolar surface tension.

Accepted Answer

A) True 
 B)False

Question 3

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.
-the minimum volume of air remaining in the lungs after maximal expiration

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 4

Hemoglobin

Accepted Answer

A)  plays a critical role in determining the total amount of O2  that is exchanged because it acts as a storage depot, removing dissolved O2  and thus keeping the PO2  low so that net diffusion is allowed to continue. 
B)  combines only with O2 . 
C)  is found in erythrocytes. 
D)  both (a) and (c) above. 
E)  all of these answers. 
A)  plays a critical role in determining the total amount of O2  that is exchanged because it acts as a storage depot, removing dissolved O2  and thus keeping the PO2  low so that net diffusion is allowed to continue. 
B)  combines only with O2 . 
C)  is found in erythrocytes. 
D)  both (a) and (c) above. 
E)  all of these answers.

Question 5

Elevated levels of carbon dioxide will do what to the shape of the curve?

Accepted Answer

A)  make it linear 
B)  shift it to the right and downward 
C)  shift it to the left and upward 
D)  will not affect the shape of the curve 
A)  make it linear 
B)  shift it to the right and downward 
C)  shift it to the left and upward 
D)  will not affect the shape of the curve

Question 6

When the level of blood flow is not ideally matched with the amount of airflow in a localized area of lung tissue

Accepted Answer

A)  autoregulatory mechanisms are invoked. 
B)  the autonomic nervous system couples the events more ideally. 
C)  if airflow is low and blood flow to high, arteriolar vasoconstriction occurs. 
D)  both (a) and (b) above. 
E)  both (a) and (c) above. 
A)  autoregulatory mechanisms are invoked. 
B)  the autonomic nervous system couples the events more ideally. 
C)  if airflow is low and blood flow to high, arteriolar vasoconstriction occurs. 
D)  both (a) and (b) above. 
E)  both (a) and (c) above.

Question 7

At the end of inspiration and at the end of expiration, intra-alveolar pressure is always equal to atmospheric pressure.

Accepted Answer

A) True 
 B)False

Question 8

In the breathing cycle, the atmospheric pressure normally does not change.

Accepted Answer

A) True 
 B)False

Question 9

Elastic recoil refers to the tendency of the chest wall to expand.

Accepted Answer

A) True 
 B)False

Question 10

The laryngeal opening is known as the glottis.

Accepted Answer

A) True 
 B)False

Question 11

Hypercapnia is caused by ________.

Accepted Answer

The answer of Hypercapnia is caused by ________....

Question 12

A(n) ____________________ pressure across the chest wall influences lung movements.

Accepted Answer

The answer of A(n) ____________________ pressure across the chest wall...

Question 13

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.
-maximum volume of air that the lungs can hold

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 14

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

Accepted Answer

Answer not

Question 15

The alveoli are encircled by capillaries.

Accepted Answer

A) True 
 B)False

Question 16

Expiratory neurons

Accepted Answer

A)  are found in both the DRG and VRG. 
B)  send impulses to the expiratory muscles during normal quiet breathing. 
C)  are stimulated by the pneumotaxic center. 
D)  are stimulated by the inspiratory neurons and in turn inhibit the inspiratory neurons. 
E)  none of these answers. 
A)  are found in both the DRG and VRG. 
B)  send impulses to the expiratory muscles during normal quiet breathing. 
C)  are stimulated by the pneumotaxic center. 
D)  are stimulated by the inspiratory neurons and in turn inhibit the inspiratory neurons. 
E)  none of these answers.

Question 17

In addition to gas exchange the respiratory system plays a key role in

Accepted Answer

A)  enhancing venous return. 
B)  water and temperature balance. 
C)  body defense. 
D)  both (a) and (c) above. 
E)  all of these answers. 
A)  enhancing venous return. 
B)  water and temperature balance. 
C)  body defense. 
D)  both (a) and (c) above. 
E)  all of these answers.

Question 18

Pneumothorax develops from the accumulation of fluid in the alveoli.

Accepted Answer

A) True 
 B)False

Question 19

The following questions refer to the accompanying diagram of a normal spirogram. The wave labels have been removed and replaced with letters A-H. Match the letter with list of missing terms below to complete the diagram.
-functional residual capacity

Accepted Answer

The answer of   
The following questions refer to...

Question 20

____________________ refers to air in the pleural cavity.

Accepted Answer

The answer of ____________________ refers to air in the pleural...

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

Pulmonary surfactant reduces the work of breathing and increases lung stability by increasing alveolar surface tension.

Hemoglobin

Elevated levels of carbon dioxide will do what to the shape of the curve?

When the level of blood flow is not ideally matched with the amount of airflow in a localized area of lung tissue

At the end of inspiration and at the end of expiration, intra-alveolar pressure is always equal to atmospheric pressure.

In the breathing cycle, the atmospheric pressure normally does not change.

Elastic recoil refers to the tendency of the chest wall to expand.

The laryngeal opening is known as the glottis.

Hypercapnia is caused by ________.

A(n) ____________________ pressure across the chest wall influences lung movements.

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. -maximum volume of air that the lungs can hold

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

The alveoli are encircled by capillaries.

Expiratory neurons

In addition to gas exchange the respiratory system plays a key role in

Pneumothorax develops from the accumulation of fluid in the alveoli.

The following questions refer to the accompanying diagram of a normal spirogram. The wave labels have been removed and replaced with letters A-H. Match the letter with list of missing terms below to complete the diagram. -functional residual capacity

____________________ refers to air in the pleural cavity.

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

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

Pulmonary surfactant reduces the work of breathing and increases lung stability by increasing alveolar surface tension.

Hemoglobin

Elevated levels of carbon dioxide will do what to the shape of the curve?

When the level of blood flow is not ideally matched with the amount of airflow in a localized area of lung tissue

At the end of inspiration and at the end of expiration, intra-alveolar pressure is always equal to atmospheric pressure.

In the breathing cycle, the atmospheric pressure normally does not change.

Elastic recoil refers to the tendency of the chest wall to expand.

The laryngeal opening is known as the glottis.

Hypercapnia is caused by ________.

A(n) ____________________ pressure across the chest wall influences lung movements.

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. -maximum volume of air that the lungs can hold

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

The alveoli are encircled by capillaries.

Expiratory neurons

In addition to gas exchange the respiratory system plays a key role in

Pneumothorax develops from the accumulation of fluid in the alveoli.

The following questions refer to the accompanying diagram of a normal spirogram. The wave labels have been removed and replaced with letters A-H. Match the letter with list of missing terms below to complete the diagram. -functional residual capacity

____________________ refers to air in the pleural cavity.

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