Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Hello this is from a study guide. I don’t think my answer is correct could you please give me the correct answer so I can study with it and hopefully do good on my exam in 2 days. God bless.
Why is the Respiratory Exchange Ratio (RER)
greater than 1 at maximum work intensities?
Oxygen consumption is higher than
CO<sub>2</sub> production
Lactic acid suppresses mitochondrial
metabolism
Excess CO2 is exhaled relative to O2
consumption
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Transcribed Image Text:Why is the Respiratory Exchange Ratio (RER) greater than 1 at maximum work intensities? Oxygen consumption is higher than CO<sub>2</sub> production Lactic acid suppresses mitochondrial metabolism Excess CO2 is exhaled relative to O2 consumption
Expert Solution
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Step 1

The ratio between the carbon dioxide volume produced and the oxygen volume used in the metabolism is known as the respiratory exchange ratio (RER). The value of RER can indicate the type of fuel source i.e. fats, carbohydrates, or proteins. 

 

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