单选题 Antipsyehotie medications may cause which of the following adverse effects?
A. Increased production of insulin.
B. Lower seizure threshold.
C. Increased coagulation time.
D. Increased risk of heart failure.

【正确答案】 B
【答案解析】Antipsychotic medications exert an effect on brain neurotransmitters that lowers the seizure threshold and can, therefore, increase the risk of seizure activity. Antipsychotics don't affect insulin production or coagulation time. Heart failure isn't an adverse effect of antipsychotic agents.