Pharmacology ‘Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it A It Is a respiratory depressant B Has low blood solubility and is used in high concentration C It Is a very potent anaesthetic D Interferes with diffusion of oxygen into the tissues 💡 Explanation 'Diffusion hypoxia' is likely to occur only after use of nitrous oxide because it ✓ Correct Answer: B. Has low blood solubility and is used in high concentration