KROK 1 2019 – Question 8 · KROK (Medicine) · Physiology
After hyperventilation an athlete developed a brief respiratory arrest. It occurred due to the following changes in the blood:
- A. Decrease of O2 pressure
- B. Decrease of CO2 pressure
- C. Increase of CO2 and O2 pressure
- D. Decrease of pH
- E. Increase of CO2 pressure
Hint
Think about which blood gas is the main physiological stimulus of the respiratory center and how forced deep breathing changes its level.
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