Answer:
d) serotonin
Step-by-step explanation:
Second-generation anti psychotics is based on blocking the dopamine receptor and the serotonin receptor. The common receptors blocked in this anti psychotics is the D2 dopamine receptor and the sub type 5-HT2A serotonin receptor. Hence, the answer to this is that the serotonin and dopamine receptors are affected by the second-generation anti psychotics also known as the typical anti psychotics.