When Messner and Habeler Climbed Mount Everest Without Supplemental Oxygen,the $\bullet$

question 7

Multiple Choice

When Messner and Habeler climbed Mount Everest without supplemental oxygen,the scientists had to reevaluate their calculations that VO₂ max at the top of Everest was equal to resting metabolic rate (3.5 ml $\bullet$ kg^-1 $\bullet$ min^-1) .They discovered that the

• A)barometric pressure was higher than expected at the top of Everest.
• B)oxygen percentage was higher than expected at the top of Everest.
• C)the air contained more oxygen than expected.
• D)hemoglobin levels increased suddenly at that altitude for those who didn't use supplemental oxygen.

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