Question 1

How does breathing at a very low rate affect the reaction H+ + HCO3- $\rightarrow$ H2CO3 $\rightarrow$ H2O + CO2 ?

Accepted Answer

A)  pushes it to the right. 
B)  pushes it to the left. 
C)  does not affect it. 
D)  increases the rate at which it occurs. 
E)  decreases the rate at which it occurs. 
A)  pushes it to the right. 
B)  pushes it to the left. 
C)  does not affect it. 
D)  increases the rate at which it occurs. 
E)  decreases the rate at which it occurs.

Question 2

The difference between a restrictive pulmonary disorder and an obstructive pulmonary disorder is that in the restrictive disorder the lungs have lost their elasticity and in an obstructive disorder air does not flow freely in the airways.

Accepted Answer

A) True 
 B)False

Question 3

Inhalation is another word for inspiration.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not a symptom of emphysema?

Accepted Answer

A)  The elastic recoil of the lungs is reduced. 
B)  The surface area for gas exchange is reduced. 
C)  The alveoli are distended and their walls damaged. 
D)  The airways are inflamed and filled with mucus. 
E)  The heart works harder to force more blood through the lungs. 
A)  The elastic recoil of the lungs is reduced. 
B)  The surface area for gas exchange is reduced. 
C)  The alveoli are distended and their walls damaged. 
D)  The airways are inflamed and filled with mucus. 
E)  The heart works harder to force more blood through the lungs.

Question 5

How are internal and external respiration alike?

Accepted Answer

A)  Both involve an exchange of gases. 
B)  Both involve carbon dioxide diffusing into the lungs. 
C)  Both involve oxygen diffusing into the lungs. 
D)  Both involve carbon dioxide diffusing into the body's tissues. 
E)  Both involve oxygen diffusing into the body's tissues. 
A)  Both involve an exchange of gases. 
B)  Both involve carbon dioxide diffusing into the lungs. 
C)  Both involve oxygen diffusing into the lungs. 
D)  Both involve carbon dioxide diffusing into the body's tissues. 
E)  Both involve oxygen diffusing into the body's tissues.

Question 6

Which reaction does carbonic anhydrase catalyze?

Accepted Answer

A)  H+ + HCO3- $\rightarrow$ H2CO3 
B)  H2CO3 $\rightarrow$ H2O + CO2 
C)  Hb + O2 $\rightarrow$ HbO2 
D)  HbO2 $\rightarrow$ Hb + O2 
E)  None of these. 
A)  H+ + HCO3- $\rightarrow$ H2CO3 
B)  H2CO3 $\rightarrow$ H2O + CO2 
C)  Hb + O2 $\rightarrow$ HbO2 
D)  HbO2 $\rightarrow$ Hb + O2 
E)  None of these.

Question 7

Which of the following is not a lower respiratory infection?

Accepted Answer

A)  tuberculosis 
B)  pneumonia 
C)  bronchitis 
D)  pulmonary fibrosis 
E)  pulmonary tuberculosis 
A)  tuberculosis 
B)  pneumonia 
C)  bronchitis 
D)  pulmonary fibrosis 
E)  pulmonary tuberculosis

Question 8

What do inspiration and expiration have in common?

Accepted Answer

A)  They both use the same pathways. 
B)  The air travels in the same direction in both. 
C)  They both end in the lungs. 
D)  They both conduct air from the outside. 
E)  They both remove wastes from the tissues. 
A)  They both use the same pathways. 
B)  The air travels in the same direction in both. 
C)  They both end in the lungs. 
D)  They both conduct air from the outside. 
E)  They both remove wastes from the tissues.

Question 9

What is the correct order of the following steps in the progression of lung cancer in a smoker? 1. Cilia are lost. 2. There is a thickening and callusing of the cells lining the bronchi. 3. Metastasis occurs. 4. A tumor forms. 5. Cells with atypical nuclei appear.

Accepted Answer

A)  1,2,3,4,5 
B)  2,1,5,4,3 
C)  5,1,2,3,4 
D)  1,2,4,3,5 
E)  2,1,4,5,3 
A)  1,2,3,4,5 
B)  2,1,5,4,3 
C)  5,1,2,3,4 
D)  1,2,4,3,5 
E)  2,1,4,5,3

Question 10

The epiglottis is the slit between the vocal cords.

Accepted Answer

A) True 
 B)False

Question 11

If it were not for the nasal cavity,

Accepted Answer

A)  we would not be able to speak. 
B)  more debris would enter the lungs. 
C)  oxygen would not be exchanged in the alveoli. 
D)  food would go down the wrong pipe. 
E)  air would not be conducted to the lungs. 
A)  we would not be able to speak. 
B)  more debris would enter the lungs. 
C)  oxygen would not be exchanged in the alveoli. 
D)  food would go down the wrong pipe. 
E)  air would not be conducted to the lungs.

Question 12

When the pH of the blood becomes more acidic, the respiratory center

Accepted Answer

A)  increases the rate and increases the depth of breathing. 
B)  increases the rate and decreases the depth of breathing. 
C)  decreases the rate and increases the depth of breathing. 
D)  decreases the rate and decreases the depth of breathing. 
E)  stops breathing all together. 
A)  increases the rate and increases the depth of breathing. 
B)  increases the rate and decreases the depth of breathing. 
C)  decreases the rate and increases the depth of breathing. 
D)  decreases the rate and decreases the depth of breathing. 
E)  stops breathing all together.

Question 13

Carbonic anhydrase and carbaminohemoglobin are similar in that they are both enzymes involved in respiration.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following infections does not affect a structure in the respiratory tract?

Accepted Answer

A)  laryngitis 
B)  strep throat 
C)  tonsilitis 
D)  otitis media 
E)  bronchitis 
A)  laryngitis 
B)  strep throat 
C)  tonsilitis 
D)  otitis media 
E)  bronchitis

Question 15

Lung cancer, just like breast cancer, is more prevalent in women than in men.

Accepted Answer

A) True 
 B)False

Question 16

Which structure is the initial entry way for air to enter the respiratory system?

Accepted Answer

A)  nose 
B)  trachea 
C)  lungs 
D)  pharynx 
E)  esophagus 
A)  nose 
B)  trachea 
C)  lungs 
D)  pharynx 
E)  esophagus

Question 17

The total cross sectional area of the alveoli is about the size of a textbook.

Accepted Answer

A) True 
 B)False

Question 18

Carotid bodies and aortic bodies detect

Accepted Answer

A)  blood pH. 
B)  oxygen blood levels. 
C)  oxygen tissue levels. 
D)  stretching of the lungs. 
E)  the residual volume. 
A)  blood pH. 
B)  oxygen blood levels. 
C)  oxygen tissue levels. 
D)  stretching of the lungs. 
E)  the residual volume.

Question 19

"Strep throat" is caused by what type of infecting organism?

Accepted Answer

A)  bacteria 
B)  virus 
C)  fungus 
D)  parasitic worm 
E)  protist 
A)  bacteria 
B)  virus 
C)  fungus 
D)  parasitic worm 
E)  protist

Question 20

The vital capacity is equal to the

Accepted Answer

A)  maximum amount of air breathed in. 
B)  maximum amount of air breathed out. 
C)  maximum amount of air breathed in and the maximum amount of air breathed out. 
D)  the air left in the lungs after exhalation. 
E)  the air that comes in during a normal breath. 
A)  maximum amount of air breathed in. 
B)  maximum amount of air breathed out. 
C)  maximum amount of air breathed in and the maximum amount of air breathed out. 
D)  the air left in the lungs after exhalation. 
E)  the air that comes in during a normal breath.

Exam 9: Respiratory System

How does breathing at a very low rate affect the reaction H+ + HCO3- →\rightarrow→ H2CO3 →\rightarrow→ H2O + CO2 ?

The difference between a restrictive pulmonary disorder and an obstructive pulmonary disorder is that in the restrictive disorder the lungs have lost their elasticity and in an obstructive disorder air does not flow freely in the airways.

Inhalation is another word for inspiration.

Which of the following is not a symptom of emphysema?

How are internal and external respiration alike?

Which reaction does carbonic anhydrase catalyze?

Which of the following is not a lower respiratory infection?

What do inspiration and expiration have in common?

What is the correct order of the following steps in the progression of lung cancer in a smoker? 1. Cilia are lost. 2. There is a thickening and callusing of the cells lining the bronchi. 3. Metastasis occurs. 4. A tumor forms. 5. Cells with atypical nuclei appear.

The epiglottis is the slit between the vocal cords.

If it were not for the nasal cavity,

When the pH of the blood becomes more acidic, the respiratory center

Carbonic anhydrase and carbaminohemoglobin are similar in that they are both enzymes involved in respiration.

Which of the following infections does not affect a structure in the respiratory tract?

Lung cancer, just like breast cancer, is more prevalent in women than in men.

Which structure is the initial entry way for air to enter the respiratory system?

The total cross sectional area of the alveoli is about the size of a textbook.

Carotid bodies and aortic bodies detect

"Strep throat" is caused by what type of infecting organism?

The vital capacity is equal to the

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How does breathing at a very low rate affect the reaction H⁺ + HCO₃^- $\rightarrow$ H₂CO₃ $\rightarrow$ H₂O + CO₂ ?