<prompt> Which is long acting glucocarticoid-HydrocartisonePrednisoloneCortisolDexamethasone  <response>: Ans. is d i.e., Dexamethasone o Short acting glucocorticoids t 12 : 8-12 hrs. : Cortisol, hydrocortisone.o Intermediate acting glucocorticoids t 12 : 12-36 hrs. : Prednisolone, methylprednisolone, triamcinoloneo Long acting glucocorticoids t 12 : 36-54 hrs. : Dexamethasone ,betamethasone. 