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Which way does the reaction H+ + HCO3- β†’\rarr H2CO3 β†’\rarr H2O + CO2 proceed in the lungs?


A) to the right
B) to the left
C) to the right and then back to the left
D) this reaction doesn't proceed in the lungs
E) none of these

F) D) and E)
G) A) and C)

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When you breathe into a paper bag after hyperventilating,you are decreasing the amount of carbon dioxide in the blood.

A) True
B) False

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The trachea and upper bronchial tree are similar in that both are held open by cartilaginous rings.

A) True
B) False

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During respiration,as the thorax moves up,the lungs move down.

A) True
B) False

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You cannot increase the amount of air you exhale.

A) True
B) False

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During respiration,what is the additional amount of air that can be exhaled from the lungs during an extra deep exhalation called? This volume is usually around 1,400 ml.


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

F) C) and D)
G) B) and E)

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The pharynx contains the tonsils that protect against invasion of inhaled foreign particles.

A) True
B) False

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Which of the following is not part of the respiratory system?


A) trachea
B) pharynx
C) esophagus
D) bronchus
E) nasal cavity

F) A) and B)
G) A) and C)

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Which of the following is not a part of inspiration?


A) The pressure in the lungs increases.
B) The rib cage moves up and out.
C) The intercostal muscles pull the ribs outward.
D) The diaphragm contracts and moves down.
E) Air rushes into the lungs.

F) A) and B)
G) D) and E)

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A

Where is the respiratory control center located?


A) in the brain
B) in the bronchi
C) in the lungs
D) in the aorta
E) in the diaphragm

F) A) and B)
G) C) and E)

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A

Ventilation includes


A) inspiration only.
B) expiration only.
C) both inspiration and expiration.
D) the volume of air that can be exhaleD.
E) the transportation of oxygen to the cells in the body.

F) None of the above
G) A) and B)

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Where in the lower respiratory tract would you find goblet cells?


A) bronchial tree
B) trachea
C) lungs
D) esophagus
E) nasal cavity

F) A) and B)
G) A) and C)

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Which part of the lower respiratory tract is intimately in contact with the cardiovascular system?


A) lungs
B) bronchial tree
C) trachea
D) esophagus
E) sinus cavity

F) A) and B)
G) D) and E)

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Sound is produced when air rushes into the lungs.

A) True
B) False

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


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

F) B) and C)
G) C) and D)

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

A) True
B) False

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False

Which part of the respiratory system carries out gas exchange?


A) bronchus
B) larynx
C) nasal cavity
D) lungs
E) diaphragm

F) None of the above
G) A) and B)

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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 total lung capacity

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The average volumes are as follows:
insp...

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Inhalation is another word for inspiration.

A) True
B) False

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Which structure is not part of the inspiration process?


A) lungs
B) larynx
C) trachea
D) bronchioles
E) All are part of the inspiration process.

F) B) and C)
G) C) and D)

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