Answer:
Some longer-term changes begin as adjustments to compensate for drug-induced increases in neurotransmitter signaling intensity. For example, the brain responds to repeated drug-induced massive dopamine surges in part by reducing its complement of dopamine receptors.
The answer is probably A but it could be all of them.
In the situation, when Chuck thinks that attractive women will not be a good educator his attitude toward attractive women is stereotype that once a woman is beautiful she is not smart as maybe all she thinks is just her looks.
Opiates, a class of drug.
