Which of the following is primarily a venodilator ?
Ans. is 'c' i.e., Nitroprusside o Hydralazine, minoxidil and nifedipine are primarily aeriolar dilators whereas nitroprusside is a mixed aeriolar and venous dilator, therefore best answer here seems to be nitroprusside.
Hydralazine
Minoxidil
Nitroprusside
Nifedipine