Psychiatry At what blood alcohol level, there is Nystagmus, marked slurring of speech and alcoholic blackouts? A 150mg/dL B 200 mg/dL C 250 mg/dL D 300 mg/dL 💡 Explanation At what blood alcohol level, there is Nystagmus, marked slurring of speech and alcoholic blackouts? ✓ Correct Answer: B. 200 mg/dL