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A mountain climber ascends to an altitude where the partial pressure of oxygen in the atmosphere...

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Biology

A mountain climber ascends to an altitude where the partialpressure of oxygen in the atmosphere is very low.

1. What happens to levels of erythropoietin in the blood after aperiod of time at high elevations?

2.How does a low concentration of oxygen in the alveoli affectthe state of contraction of pulmonary arterioles?

3.Explain why pulmonary edema is a symptom of altitudesickness

Answer & Explanation Solved by verified expert
4.1 Ratings (750 Votes)
Upon exposure to high altitude there will be a latent period of 6 hours followed by a rapid increase in erythropoietin and a secondary fall to a level of approximately twice normal The increased erythropoietin stimulus will also reflected in a shortened marrow radio iron transit time Elevated erythropoietin will be associated with an increased iron uptake within 24 hours of the stimulus suggesting a direct action of erythropoietin on hemoglobin    See Answer
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