Gynaecology & Obstetrics Concentration of MgSO4 in the treatment of eclampsia in meq/L: A 7 − 10. B 10 − 15. C 2 − 4. D 4 − 7. 💡 Explanation Concentration of MgSO4 in the treatment of eclampsia in meq/L: ✓ Correct Answer: D. 4 − 7.