<prompt> Which of the following statemnets is FALSE about the drug treatment with Memantine?It is neuroprotectiveIt has a long half lifeIt is used in treatment of moderate dementiaIt is a NMDA receptor agonist  <response>: Memamntine is a NMDA N-methyl D-aspaate antagonist not agonist used in the treatment of Alzheimers disease. Memantine 5-10mg per day is used in the treatment of moderate dementia. It is theoretically neuroprotective and has a half life of 100 hours. It also has 5HT3 serotonin receptor antogonistic propeies as well. Ref: A Sho Text Book of Psychiatry by Niraj Ahuja, 2006, Page 27 