问题
单项选择题
Sedative-hypnotic drugs are used to treat which of the following problems
A．Hallucinations and delusions.
B．Anxiety and insomnia.
C．Obsessive-compulsive disorder (OCD).
D．Attention deficit hyperactivity disorder (ADHD).
答案
参考答案：B
解析：Sedative-hypnotic drugs aren't linked to the treatment of a specific disorder. They're used to treat anxiety and insomnia, which can occur in a range of psychiatric disorders. Antidepressants are used to treat OCD. Psychostimulants are used to treat ADHD. Hallucinations and delusions are treated with antipsychotics.