Psychopharmacology of Epilepsy and Seizure Disorders

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Multiple Choice

Which of the following is the primary mechanism of action of phenytoin in the treatment of epilepsy?

  1. Inhibition of voltage-gated sodium channels
  2. Enhancement of GABAergic neurotransmission
  3. Blockade of NMDA receptors
  4. Stimulation of dopamine release
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