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1
The right and left lung
A)are equal in size.
B)supply the right and left halves of the body, respectively.
C)are unequal with regard to the number of lobes.
D)None of the above are correct.
2
Air is warmed and humidified in this structure.
A)the pharynx
B)the nasal cavity
C)the glottis
D)the trachea
3
The Adam's apple is part of which laryngeal cartilage?
A)epiglottis
B)thyroid cartilage
C)cricoid
D)corniculate
4
Which of the following is not part of the left lung?
A)cardiac notch
B)superior lobe
C)middle lobe
D)inferior lobe
5
Breathing in as much air as possible (after normal tidal expiration) is termed
A)tidal inspiration.
B)inspiratory capacity.
C)inspiratory reserve volume.
D)total lung volume.
6
Tachypnea refers to
A)normal, relaxed quiet breathing.
B)labored, gasping breathing.
C)accelerated respiration.
D)difficulty breathing when lying down.
7
The respiratory centers receive peripheral input from the
A)blood chemoreceptors.
B)limbic system.
C)vagus nerve.
D)All of the above.
8
All of the following will promote oxygen unloading by increasing the synthesis of BPG except
A)growth hormone.
B)thyroxine.
C)calcium.
D)testosterone.
9
Which of the following is not an important factor in adjusting the amount of oxygen delivered to tissues?
A)Bohr effect
B)BPG
C)carbonic anhydrase
D)Haldane effect
10
Hypoxia caused by inadequate gas exchange is classified as
A)histotoxic hypoxia.
B)anemic hypoxia.
C)ischemic hypoxia.
D)hypoxemic hypoxia.





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