What Is Primidone's Primary Mechanism of Activity?
A)Directly Increases Activity $\alpha$

What is primidone's primary mechanism of activity?

A) Directly increases activity of the inhibitory neurotransmitter glycine
B) Directly decreases the activity of the excitatory neurotransmitter norepinephrine
C) Is metabolized to phenobarbital, so functions to stimulate GABA
D) Agonism of $\alpha$ ₂-adrenergic receptors