This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2019, Subject name: Gynaecology & Obstetrics
A 36 week primigravida was admitted in view of a single seizure episode. On examination her BP is 170/100, PR is 90/min, fetal hea rate is present. Immediate next step in management is? 
Select and explain. 
A. Inj. mgso4, B. Inj. Calcium gluconate, C. Inj Phenetoin, D. MRI brain
A: Inj. mgso4
Answer: A: Inj. mgso4 
Explanation: This patient appears to have Eclampsia as her BP is raised, immediate management of such seizure episode is inj MgSO4, which is the drug of choice for prevention and management of eclampsia. Management of eclampsia involves Inj MgSO4, IV labetalol (drug of choice for control of BP in pre eclampsia), definitive management is termination of pregnancy.