Which 4 of the following drug classes would increase the amount of dopamine receptor activity in the synapse?
L-DOPA
Vesicular Monoamine Transporter 2 inhibitors such as Reserpine
MAO-I such as deprenyl or selegiline
COMT-I such as tolcapone or entacapone
Dopamine receptor agonists such as bromocriptine
Dopamine receptor antagonists such as haloperidol