<prompt> True statements about Neostigmine are: a It is a quarternary ammounium compound b It is metabolised by liver c It can cross the blood brain barrier d Prominent effect on cardiac muscle e It possess agonistic action on NM receptorsadbcaecd  <response>: Neostigmine is a reversible cholinesterase inhibitor. It is a quarternary ammonium compound lipid insoluble agent, so it does not cross blood-brain-barrier.It is partly hydrolyzed by serum cholinesterase and partly excreted unchanged by the kidneys.It possesses some agonistic action on NM receptors. 