At low levels, alcohol's effect on the brain is ________; at higher levels, alcohol's effect is ________.
a. to inhibit glutamate (an excitatory neurotransmitter); release opium-like endorphins
b. too minimal to have an impact; massive and excitatory
c. depressive; excitatory
d. to activate the brain's pleasure centers; depress brain functioning
Question 2
What evidence is there that the legal definition of alcohol intoxication (a blood alcohol content of 0.08) should be changed?
a. Most alcohol-related accidents occur at much lower blood alcohol levels.
b. Most alcohol-related accidents occur at much higher blood alcohol levels.
c. Few people show any impairment at this blood alcohol level.
d. Judgment becomes impaired long before this blood alcohol level is reached.