Which of the following is a vinodilator
Ref-Katzung 10/e p173-174 Hydralazine, minoxidil and nifedipinen are primary aeriolar dilators whereas nitroprusside is a mixed Aeriolar and Venous delator therefore best answer here seems to be nitroprusside
Hydralazine
Minoxidil
Nitroprusside
Nifedipine
Cardiovascular system