Pharmacology To minimize the effects of diffusion hypoxia during N2O-O2 analgesia, the patient should be oxygenated for A 30 seconds to 1 minutes B 3 to 5 minutes C 10 to 30 minutes D 30 to 45 minutes 💡 Explanation To minimize the effects of diffusion hypoxia during N2O-O2 analgesia, the patient should be oxygenated for ✓ Correct Answer: B. 3 to 5 minutes