Carbonmonoxideisdangerousbecause（）
A. itdisplacesoxygenfromtheblood'sredcells
B. itishighlyacidicandattackstheliningofthekings
C. itdisplacesoxygenfromthelungscausingsuffocation
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Whichofthefollowingwouldbesuitabletreatmentforapersonsufferingfromcarbon（）monoxidepoisoning?（）
Administeroxygen.
B. Havethemre-breathetheirexhaledbreathfromabagplacedoverthenoseandmouth.
C. Giveplentyofwater.
Whichofthefollowingwouldmostlikelyleadtocarbonmonoxidecontaminationofthecockpitatmosphere?（）
A. excessiveuseofcarburetorheat
B. flylowinaverythicksmokehaze
C. aleakintheengineexhaustsystem
Hypoxiaistheresultofwhichoftheseconditions?（）
A. Insufficientoxygenreachingthebrain.
B. Excessivecarbondioxideinthebloodstream.
C. Limitedoxygenreachingtheheartmuscles.
Hypoxiaisalwaysaccompaniedby（）
A. dizziness
B. adegradationintheperformanceofapilot
C. vomiting
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