Which of the following is TRUE regarding Nitroprusside/Nitropress?

A. Its light sensitive
B. Its only used IV & MUST be infused continuously
C. Its a short acting agent (only lasting a few minutes)
D. It works by releasing nitric oxide, stimulating guanylyl cyclase and increasing cyclic guanine monophosphate (cGMP) concentration & relaxation in vascular smooth muscle
E. All the above