<prompt> Which of the following is primarily a venodilator ?HydralazineMinoxidilNitroprussideNifedipine  <response>: 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. 