<prompt> Mechanism of action of donepezil is:Centrally acting reversible anticholinesteraseCentrally acting irreversible anticholinesteraseIrreversible cholinergic actionReversible anticholinesterase  <response>: donepezil is a centrally acting anti cholinesterase which is reversible.other drugs in this category include rivastigmine Ref; KD Tripathi 8th ed. 