A drug that affects the GABA and glutamate systems is/are:
a. benzodiazepines.
b. opiates.
c. cocaine.
d. ethyl alcohol.
Question 2
Alcohol has two major sites of action in the nervous system, acting as a(n) ____________ at NMDA receptors and a(n) ______________ at GABAA receptors.
a. direct antagonist; direct agonist
b. direct agonist; direct antagonist
c. indirect agonist; direct antagonist
d. indirect antagonist; indirect agonist