One of the following statements about hydralazine is not true -

Ans. is 'b' i.e., It causes dilatation of both aeries and veins o Hydralation is a potent vasodilator o It acts as a vasodilator by directly acting on aerioles. It has negligible effect on veins. o There is also renin release with secondary salt and water retention. o Postural hypotension is not a prominent action because of little action on veins; venous return and cardiac output are not reduced.