Question 1

The ____________________ effect refers to the reduced affinity of Hb for O₂ in the presence of increased CO₂ and H⁺.

Accepted Answer

The answer of The ____________________ effect refers to the reduced...

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Which factor would reduce the amount of oxygen transfer 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 4

Expiration is always a passive process.

Accepted Answer

A) True 
 B)False

Question 5

breaths usually result in the greatest alveolar ventilation rates.

Accepted Answer

A) True 
 B)False

Question 6

Which condition would result in the lowest alveolar ventilation rate?

Accepted Answer

A)  quiet breathing 
B)  a normal respiratory rate and normal tidal volume 
C)  a low respiratory rate and high tidal volume 
D)  a low respiratory rate and very low tidal volume 
A)  quiet breathing 
B)  a normal respiratory rate and normal tidal volume 
C)  a low respiratory rate and high tidal volume 
D)  a low respiratory rate and very low tidal volume

Question 7

MATCHING
Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all):
-maximum volume of air that can be moved in and out during a single breath

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 8

What 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)  smaller molecular size 
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)  smaller molecular size

Question 9

MATCHING
Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all):
-amount of air that is available for exchange of gases with the blood per 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 10

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 11

Which of the following is TRUE regarding inspiratory neurons?

Accepted Answer

A)  They activate the phrenic nerve, bringing about contraction of the diaphragm 
B)  They are stimulated by stretch receptors 
C)  They are inhibited by the expiratory neurons 
A)  They activate the phrenic nerve, bringing about contraction of the diaphragm 
B)  They are stimulated by stretch receptors 
C)  They are inhibited by the expiratory neurons

Question 12

Which of the following statements is NOT true for pulmonary surfactant?

Accepted Answer

A)  It is secreted by Type I alveolar cells. 
B)  It decreases surface tension of the fluid lining the alveoli. 
C)  It resists elastic recoil of the lungs. 
A)  It is secreted by Type I alveolar cells. 
B)  It decreases surface tension of the fluid lining the alveoli. 
C)  It resists elastic recoil of the lungs.

Question 13

The respiratory quotient is the ratio of ____________________ to ____________________.

Accepted Answer

CO₂ produc

Question 14

Pneumothorax develops from the accumulation of fluid in the alveoli.

Accepted Answer

A) True 
 B)False

Question 15

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 16

If a person ascended a mountain where the atmospheric pressure was only 500 mmHg,assuming that the air consisted of 21 percent O₂,what would the PO₂ of the air be?

Accepted Answer

The answer of If a person ascended a mountain where...

Question 17

The quantity of O₂ that will diffuse between the alveolar air and pulmonary blood depends solely on the partial pressure gradients that exist between the alveoli and blood.

Accepted Answer

A) True 
 B)False

Question 18

The ____________________ effect refers to the increased affinity of Hb for CO₂ and H⁺ after O₂ unloading.

Accepted Answer

The answer of The ____________________ effect refers to the increased...

Question 19

Which spirometry result would NOT be expected of a patient suffering from obstructive lung disease?

Accepted Answer

A)  normal total lung capacity 
B)  increased functional residual capacity 
C)  decreased residual volume 
D)  decreased FEV1 
A)  normal total lung capacity 
B)  increased functional residual capacity 
C)  decreased residual volume 
D)  decreased FEV1

Question 20

Indicate the effect the following changes would have on the rate of gas transfer by using the answer code (options may be used more than once or not at all):
-the effect of emphysema on O₂ and CO₂ exchange within the lungs

Accepted Answer

A) This change would increase the rate of gas transfer. 
B) This change would decrease the rate of gas transfer. 
C) This change would have no effect on the rate of gas transfer. 
A) This change would increase the rate of gas transfer. 
B) This change would decrease the rate of gas transfer. 
C) This change would have no effect on the rate of gas transfer.

The ____________________ effect refers to the reduced affinity of Hb for O₂ in the presence of increased CO₂ and H⁺.

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

Which factor would reduce the amount of oxygen transfer across the respiratory membrane?

Expiration is always a passive process.

breaths usually result in the greatest alveolar ventilation rates.

Which condition would result in the lowest alveolar ventilation rate?

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -maximum volume of air that can be moved in and out during a single breath

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

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -amount of air that is available for exchange of gases with the blood per minute

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

Which of the following is TRUE regarding inspiratory neurons?

Which of the following statements is NOT true for pulmonary surfactant?

The respiratory quotient is the ratio of to .

Pneumothorax develops from the accumulation of fluid in the alveoli.

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

If a person ascended a mountain where the atmospheric pressure was only 500 mmHg,assuming that the air consisted of 21 percent O₂,what would the PO₂ of the air be?

The quantity of O₂ that will diffuse between the alveolar air and pulmonary blood depends solely on the partial pressure gradients that exist between the alveoli and blood.

The ____________________ effect refers to the increased affinity of Hb for CO₂ and H⁺ after O₂ unloading.

Which spirometry result would NOT be expected of a patient suffering from obstructive lung disease?

Indicate the effect the following changes would have on the rate of gas transfer by using the answer code (options may be used more than once or not at all): -the effect of emphysema on O₂ and CO₂ exchange within the lungs

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

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Exam 11: The Respiratory System

The ____________________ effect refers to the reduced affinity of Hb for O₂ in the presence of increased CO₂ and H⁺.

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

Which factor would reduce the amount of oxygen transfer across the respiratory membrane?

Expiration is always a passive process.

breaths usually result in the greatest alveolar ventilation rates.

Which condition would result in the lowest alveolar ventilation rate?

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -maximum volume of air that can be moved in and out during a single breath

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

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -amount of air that is available for exchange of gases with the blood per minute

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

Which of the following is TRUE regarding inspiratory neurons?

Which of the following statements is NOT true for pulmonary surfactant?

The respiratory quotient is the ratio of ____________________ to ____________________.

Pneumothorax develops from the accumulation of fluid in the alveoli.

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

If a person ascended a mountain where the atmospheric pressure was only 500 mmHg,assuming that the air consisted of 21 percent O₂,what would the PO₂ of the air be?

The quantity of O₂ that will diffuse between the alveolar air and pulmonary blood depends solely on the partial pressure gradients that exist between the alveoli and blood.

The ____________________ effect refers to the increased affinity of Hb for CO₂ and H⁺ after O₂ unloading.

Which spirometry result would NOT be expected of a patient suffering from obstructive lung disease?

Indicate the effect the following changes would have on the rate of gas transfer by using the answer code (options may be used more than once or not at all): -the effect of emphysema on O₂ and CO₂ exchange within the lungs

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters

The respiratory quotient is the ratio of to .