问题
单项选择题
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 failur
答案
参考答案：B
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.
（注：R，R'为烃基），A为有机合成中间体，在一定条件下发生消去反应，可能得到两种互为同分异构体的产物，其中的一种B可用于制取合成树脂、染料等多种化工产品。A能发生如下图所示的变化。试回答： 