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Physiology General 39492c85

Which of the following represent the mechanism of action of Memantine?

A
GABA antagonist
B
Alpha 2 antagonist
C
5HT 2A antagonist
D
NMDA antagonist
High-Yield Explanation
Memantine works as a NMDA receptor antagonist. It is used to slow the progressive decline in patients with Alzheimer disease. Other commonly used NMDA receptor antagonists are: Riluzole which is used to slow the progression of impairment and modestly improve the life expectancy of patients with amyotropic lateral sclerosis. Amantadine is used along with levodopa to improve function in patients with Parkinson disease. Ref: Barrett K.E., Barman S.M., Boitano S., Brooks H.L. (2012). Chapter 7. Neurotransmitters & Neuromodulators. In K.E. Barrett, S.M. Barman, S. Boitano, H.L. Brooks (Eds), Ganong's Review of Medical Physiology, 24e.

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