asmi
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Bronchoalveloar segments of lung with low ventilation/perfusion ratios may collapse when 100% O 2 is inhaled for 1 hr because:
a. pulmonary surfactant is inactivated
B. O2 toxicity causes alveolar edema
C. CO 2 elimination is greater than normal
D. interstitial edema arond small airways causes airway closure
E. gas is removed by blood faster than it enters the unit by ventilation
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| Idiopathic
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D? extreme vasodilation of the regional capillaries?
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| asmi
Forum Hero
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ANSWER IS E
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