KROK 1 2014 – Question 4 · KROK (Medicine) · Physiology
In a young man during exercise, the minute oxygen uptake and carbon dioxide emission equalled to 1000 ml. What substrates are oxidized in the cells of his body?
- A. Carbohydrates and fats
- B. Carbohydrates and proteins
- C. Proteins
- D. Carbohydrates
- E. Fats
Hint
Work out the respiratory quotient from the two gas volumes and recall which metabolic fuel gives exactly that value.
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