This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
All of the following drugs can be administered in acute hypeension during labour,except 
Select and explain. 
A. IV Labetalol, B. IV Nitroprusside, C. IV Hydralazine, D. IV Esmolol
B: IV Nitroprusside
Answer: B: IV Nitroprusside 
Explanation: Sodium nitroprusside is contraindicated in eclampsia. Contraindications. Sodium nitroprusside should not be used for compensatory hypeension (e.g. due to an anteriovenous stent or coarctation of the aoa). It should not be used in patients with inadequate cerebral circulation or in patients who are near death. Refer kDT 7/e p732