Pharmacology

Out of two anticholinesterases, drug 'X' is a teiary amine while drug 'Y' is a quaernary ammonium compound. Then

Drug 'X' is likely to be more potent than 'Y'

Drug 'Y' will produce CNS effects

Drug 'Y' will be completely metabolized in the body

Drug 'X' will be more suitable to be used as a miotic