____ describes a steady decrease in the average age of menarche in Western countries over the past 150 years

The current Diagnostic and Statistical Manual of the American Psychiatric Association is also called the

a. DSM-APA b. DSM-IV-TR c. DSM-5 d. DSM-TR

______________ are a family of antianxiety drugs that includes diazepam (Valium) and alprazolam (Xanax).

a.) Beta blockers b.) Benzodiazepines c.) Sedatives d.) Barbiturates