This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Obs), Subject name: Gynaecology & Obstetrics
In a lady presenting with preeclampsia all of the following drugs can be used in treatment EXCEPT 
Select and explain. 
A. Labetalol, B. Methyl dopa, C. Enalapril, D. Hydralazine
C: Enalapril
Answer: C: Enalapril 
Explanation: (C) Enalapril # Treatment of Preeclampsia:> Antihypertensives are used when: Persistent rise of BP specially diastolic above 110 mm Hg. In severe pre-eclampsia to bring down the blood pressure> Common drugs used are: Methyl dopa: 250-500 gm tid or qid - Mode of action is by Central and peripheral anti-adrenergic action Nifedipine: 10-20 mg bd - Calcium channel blocker Hydralazine: 10-25 mg bid - Vascular smooth muscle relaxant Lebtalol: 10-25 mg bid - Adrenoceptor antagonist (a and b blocker)