At a height of 3000 m above sea level atmospheric pressure is 30 kPa less than at sea level. A consequence of this lower pressure is that less oxygen will dissolve in the alveolar fl uid. The reason for this is that:
belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:13.2| Question number:14
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Medicine
B: At 3000 m, atmospheric pressure is 70 kPa, the oxygen partial pressure is 20 % of this (about 14 kPa). 14 kPa is less than 20 kPa (oxygen’s partial pressure at sea level), so less oxygen will dissolve in the alveolar fl uid at 3000 m than at sea level.
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