55yr old man with dementia was given a natural alkaloid which of the following?
Ans. is 'c' i.e., Galantamine Galantamine: It is a natural alkaloid which selectively inhibits cereral acetylcholinesterase and has some direct agonistic action on nicotinic receptors as well. It has produced cognitive and behavioural benefits in alzheimers disease.
Tacrine
Donepezil
Galantamine
Rivastigmine