Wrong about prazosin is :
Ans. is 'a' a2 presynaptic blocker Reference KDT 5th p. 121 (4th/e page 135)Prazosin is a highly selective a1 blaker*It producers first dose effect* (Postural hypotension in the beginning)*It is highly bound to proteins, metabolized in liver* and primarily excreted in bile.It dilates arterioles more than veins.
a2 presynaptic blocker
Orally effective
Metabolised in liver
First dose effect may occur
Anti Adrenergic System