Varenicline is a pharmacotherapy used to treatment nicotine dependence which works as a/an _________________ .

indirect agonist.
agonist.
partial agonist.
antagonist.

__________ is an antagonist of opioid receptors that has clinical efficacy to reduce alcohol consumption in animal models and humans.

Naloxone
Acamprosate
Methadone
Naltrexone

Nicotine Replacement Therapy should be used long term until full abstinence is achieved.

True
False

There is currently no effective pharmacotherapy for the treatment of psychostimulant addiction.

True
False