Question 1

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

Accepted Answer

A)   It pushes it to the right.
B)   It pushes it to the left.
C)   It does not affect it.
D)   It increases the rate at which it occurs.
E)   It decreases the rate at which it occurs.F) None of the above
G) C) and E)

Question 2

Which of the following is not part of the lower respiratory tract?

Accepted Answer

A)   bronchi
B)   lungs
C)   alveoli
D)   trachea
E)   larynxF) A) and B)
G) B) and D)

Question 3

Which part of the pharynx is not matched to its correct location?

Accepted Answer

A)   nasopharynx: where the nasal cavities open at the top
B)   oropharynx: where the sinuses open
C)   laryngopharynx: where the pharynx opens into the larynxD) A) and B)
E) A) and C)

Question 4

If you force inspiration,how much more air than the tidal volume can you breathe in?

Accepted Answer

A)   about two times the tidal volume
B)   about three times the tidal volume
C)   about four times the tidal volume
D)   about five times the tidal volume
E)   about six times the tidal volumeF) All of the above
G) A) and D)

Question 5

Which respiratory structure is used to produce sound?

Accepted Answer

A)   larynx
B)   nose
C)   pharynx
D)   glottis
E)   esophagusF) B) and D)
G) B) and E)

Question 6

Which of the following is not part of the upper respiratory tract?

Accepted Answer

A)   bronchi
B)   nasal cavity
C)   epiglottis
D)   pharynx
E)   glottisF) A) and B)
G) A) and C)

Question 7

List the volumes of air associated with each of the following lung capacities: inspiratory reserve volume; expiratory reserve volume; tidal volume; residual volume; vital capacity; and total lung capacity.

Accepted Answer

The average volumes are as follows: insp...

Question 8

The vital capacity is equal to the

Accepted Answer

A)   maximum amount of air that can be moved in during a single breath.
B)   maximum amount of air that can be moved out during a single breath.
C)   maximum amount of air that can be moved in and the maximum amount that can be moved out during a single breath.
D)   amount of air left in the lungs after a single breath.
E)   amount of air that comes in during a single breath.F) C) and D)
G) B) and E)

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

If it were not for the nasal cavity,

Accepted Answer

A)   people 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 tube.
E)   air would not be conducted to the lungs.F) B) and E)
G) D) and E)

Question 11

Where is the respiratory control center located?

Accepted Answer

A)   in the brain
B)   in the bronchi
C)   in the lungs
D)   in the aorta
E)   in the diaphragmF) C) and E)
G) A) and B)

Question 12

Which reaction does carbonic anhydrase catalyze?

Accepted Answer

A)   H+ + HCO3- ? H2CO3
B)   H2CO3 ? H2O + CO2
C)   Hb + O2 ? HbO2
D)   HbO2 ? Hb + O2
E)   none of theseF) A) and C)
G) D) and E)

Question 13

Why is the actual flow of air into the alveoli during inspiration passive?

Accepted Answer

A)   because there is a continuous column of air from the pharynx to the alveoli
B)   because the lungs are surrounded by the thoracic wall
C)   because the alveoli have a very large surface area
D)   because the intercostal muscles are involved
E)   because the diaphragm is involvedF) B) and E)
G) None of the above

Question 14

What diffuses from the air in the alveoli into the blood?

Accepted Answer

A)   oxygen
B)   carbon dioxide
C)   water
D)   nitrogen
E)   methaneF) B) and E)
G) A) and D)

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A)   increases the rate and depth of breathing.
B)   increases the rate of breathing but decreases the depth.
C)   decreases the rate of breathing but increases the depth.
D)   decreases the rate and depth of breathing.
E)   stops breathing altogether.F) C) and D)
G) All of the above

Question 17

Which of the following is not a lower respiratory infection?

Accepted Answer

A)   tuberculosis
B)   pneumonia
C)   bronchitis
D)   pulmonary fibrosis
E)   pulmonary tuberculosisF) B) and E)
G) A) and E)

Question 18

Which of the following can add an additional 2,900 ml of air to the lungs?

Accepted Answer

A)   inspiratory reserve volume
B)   expiratory reserve volume
C)   residual volume
D)   vital capacity
E)   tidal volumeF) D) and E)
G) A) and D)

Question 19

What do inspiration and expiration have in common?

Accepted Answer

A)   They both use the same pathways.
B)   They both involve air traveling in the same direction.
C)   They both end in the lungs.
D)   They both conduct air from the outside.
E)   They both remove wastes from tissues.F) B) and E)
G) B) and D)

Question 20

Sound is produced when air rushes into the lungs.

Accepted Answer

A) True 
 B)False

Exam 10: Respiratory System

Which of the following is not part of the upper respiratory tract?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If you force inspiration,how much more air than the tidal volume can you breathe in?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Sound is produced when air rushes into the lungs.

Correct AnswerverifiedShow Answer

Which of the following is not part of the lower respiratory tract?

Correct AnswerverifiedShow Answer

If it were not for the nasal cavity,

Correct AnswerverifiedShow Answer

What do inspiration and expiration have in common?

Correct AnswerverifiedShow Answer

List the volumes of air associated with each of the following lung capacities: inspiratory reserve volume; expiratory reserve volume; tidal volume; residual volume; vital capacity; and total lung capacity.

Correct AnswerverifiedThe average volumes are as follows: insp...View AnswerShow Answer

Which respiratory structure is used to produce sound?

Correct AnswerverifiedShow Answer

Which reaction does carbonic anhydrase catalyze?

Correct AnswerverifiedShow Answer

Which of the following is not a lower respiratory infection?

Correct AnswerverifiedShow Answer

Which of the following can add an additional 2,900 ml of air to the lungs?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What diffuses from the air in the alveoli into the blood?

Correct AnswerverifiedShow Answer

Which part of the pharynx is not matched to its correct location?

Correct AnswerverifiedShow Answer

The vital capacity is equal to the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Where is the respiratory control center located?

Correct AnswerverifiedShow Answer

Why is the actual flow of air into the alveoli during inspiration passive?

Correct AnswerverifiedShow Answer

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The average volumes are as follows: insp...
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How does breathing at a very low rate affect the reaction H⁺ + HCO₃^- ?H₂CO₃? H₂O + CO₂?

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