Question 1

Which of the following is the general name for any medical condition that interferes with the removal of carbon dioxide by the lungs?

Accepted Answer

A)  Respiratory acidosis 
B)  Respiratory alkylosis 
C)  Chloride shift 
D)  Bohr effect 
E)  Anemia 
A)  Respiratory acidosis 
B)  Respiratory alkylosis 
C)  Chloride shift 
D)  Bohr effect 
E)  Anemia A

Question 2

Hypoxia is defined as which of the following?

Accepted Answer

A)  Deficiency of carbon dioxide 
B)  Deficiency of nitrogen 
C)  Deficiency of oxygen 
D)  Deficiency of hydrogen 
E)  Deficiency of water 
A)  Deficiency of carbon dioxide 
B)  Deficiency of nitrogen 
C)  Deficiency of oxygen 
D)  Deficiency of hydrogen 
E)  Deficiency of water C

Question 3

Tracheal tubes and spiracles are characteristically found in annelids.

Accepted Answer

A) True 
 B)False  False

Question 4

The volume of air remaining in the lungs after maximal expiration is the:

Accepted Answer

A)  vital capacity. 
B)  tidal volume. 
C)  tidal capacity. 
D)  residual capacity. 
E)  residual volume. 
A)  vital capacity. 
B)  tidal volume. 
C)  tidal capacity. 
D)  residual capacity. 
E)  residual volume.

Question 5

Most carbon dioxide is transported in the blood in the form of bicarbonate.

Accepted Answer

A) True 
 B)False

Question 6

Compare and contrast the advantages and disadvantages of gas exchange in terrestrial and aquatic environments.

Accepted Answer

In terrestrial environments, oxygen and

Question 7

In the countercurrent exchange system, the percentage of available oxygen extracted from the blood exceeds 80%. What would this percentage be if oxygen were instead obtained through concurrent exchange?

Accepted Answer

A)  40% 
B)  50% 
C)  60% 
D)  80% 
E)  100% 
A)  40% 
B)  50% 
C)  60% 
D)  80% 
E)  100%

Question 8

The pleural cavity is located:

Accepted Answer

A)  between the pleural membranes. 
B)  inside the innermost pleural membrane. 
C)  outside the outermost pleural membrane. 
D)  between the right lung and the left lung. 
E)  within the bronchioles. 
A)  between the pleural membranes. 
B)  inside the innermost pleural membrane. 
C)  outside the outermost pleural membrane. 
D)  between the right lung and the left lung. 
E)  within the bronchioles.

Question 9

Describe the harmful effects of cigarette smoking on the respiratory system.

Accepted Answer

Concepts to Consider: causes bronchial c

Question 10

Which of the following sequences correctly describes the movement of air in a bird's respiratory system?

Accepted Answer

A)  Lungs; anterior air sacs; posterior air sacs 
B)  Anterior air sacs; posterior air sac; lungs 
C)  Posterior air sacs; lungs; anterior air sacs 
D)  Lungs; posterior air sacs; anterior air sacs 
E)  Anterior air sacs; lungs; posterior air sacs 
A)  Lungs; anterior air sacs; posterior air sacs 
B)  Anterior air sacs; posterior air sac; lungs 
C)  Posterior air sacs; lungs; anterior air sacs 
D)  Lungs; posterior air sacs; anterior air sacs 
E)  Anterior air sacs; lungs; posterior air sacs

Question 11

The countercurrent exchange system found in fish gills maximizes gas exchange efficiency by:

Accepted Answer

A)  producing rapid water flows across the gill surface. 
B)  allowing water and blood to come in direct contact to maximize oxygen exchange. 
C)  having a high concentration gradient of oxygen at the start of the capillaries. 
D)  maintaining a high concentration gradient of oxygen along the entire length of capillaries. 
E)  decreasing the oxygen content of the blood leaving the gill filaments. 
A)  producing rapid water flows across the gill surface. 
B)  allowing water and blood to come in direct contact to maximize oxygen exchange. 
C)  having a high concentration gradient of oxygen at the start of the capillaries. 
D)  maintaining a high concentration gradient of oxygen along the entire length of capillaries. 
E)  decreasing the oxygen content of the blood leaving the gill filaments.

Question 12

In the blood, most (60%) of the carbon dioxide moves through plasma as which of the following substances?

Accepted Answer

A)  Bicarbonate 
B)  Lactic acid 
C)  Carbonic acid 
D)  Formic acid 
E)  Acetate 
A)  Bicarbonate 
B)  Lactic acid 
C)  Carbonic acid 
D)  Formic acid 
E)  Acetate

Question 13

Hemocyanin:

Accepted Answer

A)  combines irreversibly with oxygen for transport within the body of various organisms. 
B)  is bright red in color when combined with oxygen. 
C)  has an iron-porphyrin group that is responsible for oxygen transport. 
D)  is a respiratory pigment found in the blood of some invertebrate and vertebrate species. 
E)  is a respiratory pigment that is colorless when deoxygenated. 
A)  combines irreversibly with oxygen for transport within the body of various organisms. 
B)  is bright red in color when combined with oxygen. 
C)  has an iron-porphyrin group that is responsible for oxygen transport. 
D)  is a respiratory pigment found in the blood of some invertebrate and vertebrate species. 
E)  is a respiratory pigment that is colorless when deoxygenated.

Question 14

During inhalation, air moves from the pharynx directly into the trachea.

Accepted Answer

A) True 
 B)False

Question 15

Match between columns
                        Premises: Rapid defense response to breathing dirty air

Accepted Answer

The Answer of Bronchial constriction and Pulmonary emphysema and Chronic is...

Question 16

The parabronchi of birds are open at both ends.

Accepted Answer

A) True 
 B)False

Question 17

When drinking water at a party, you sneeze and water comes out of your nose. Why did this happen?

Accepted Answer

A)  The epiglottis did not close. 
B)  The glottis did not close. 
C)  The pharynx and nasal cavity were connected. 
D)  The tongue blocked the pharynx. 
E)  The water was carbonated. 
A)  The epiglottis did not close. 
B)  The glottis did not close. 
C)  The pharynx and nasal cavity were connected. 
D)  The tongue blocked the pharynx. 
E)  The water was carbonated.

Question 18

Suppose the oxygen concentration in your tissues were high. Which of the following correctly describes how this would change the reaction of hemoglobin with O2?

Accepted Answer

A)  Shift to the left (to reactants) 
B)  Shift to the right (to products) 
C)  No change in equilibrium 
D)  Speed up 
E)  Slow down 
A)  Shift to the left (to reactants) 
B)  Shift to the right (to products) 
C)  No change in equilibrium 
D)  Speed up 
E)  Slow down

Question 19

The percent oxygen saturation of hemoglobin is highest in the:

Accepted Answer

A)  tissues where oxygen concentration is lowest. 
B)  tissues where oxygen concentration is highest. 
C)  venules where oxygen concentration is lowest. 
D)  pulmonary capillaries where oxygen concentration is lowest. 
E)  pulmonary capillaries where oxygen concentration is highest. 
A)  tissues where oxygen concentration is lowest. 
B)  tissues where oxygen concentration is highest. 
C)  venules where oxygen concentration is lowest. 
D)  pulmonary capillaries where oxygen concentration is lowest. 
E)  pulmonary capillaries where oxygen concentration is highest.

Question 20

Match between columns
                        Premises: Centipedes, mites, some spiders

Accepted Answer

The Answer of Tracheal tubes and Body surface and Gills is...

Exam 46: Gas Exchange

Which of the following is the general name for any medical condition that interferes with the removal of carbon dioxide by the lungs?

Hypoxia is defined as which of the following?

Tracheal tubes and spiracles are characteristically found in annelids.

The volume of air remaining in the lungs after maximal expiration is the:

Most carbon dioxide is transported in the blood in the form of bicarbonate.

Compare and contrast the advantages and disadvantages of gas exchange in terrestrial and aquatic environments.

In the countercurrent exchange system, the percentage of available oxygen extracted from the blood exceeds 80%. What would this percentage be if oxygen were instead obtained through concurrent exchange?

The pleural cavity is located:

Describe the harmful effects of cigarette smoking on the respiratory system.

Which of the following sequences correctly describes the movement of air in a bird's respiratory system?

The countercurrent exchange system found in fish gills maximizes gas exchange efficiency by:

In the blood, most (60%) of the carbon dioxide moves through plasma as which of the following substances?

Hemocyanin:

During inhalation, air moves from the pharynx directly into the trachea.

The parabronchi of birds are open at both ends.

When drinking water at a party, you sneeze and water comes out of your nose. Why did this happen?

Suppose the oxygen concentration in your tissues were high. Which of the following correctly describes how this would change the reaction of hemoglobin with O2?

The percent oxygen saturation of hemoglobin is highest in the:

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Suppose the oxygen concentration in your tissues were high. Which of the following correctly describes how this would change the reaction of hemoglobin with O₂?