Neurological-biochemical abnormalities associated with autism spectrum disorder include, which of the following: 

A 54-year-old man presents to clinic stating he “can no longer feel his legs.” He has no other accompany symptoms, and his physical examination results are normal, including motor strength bilaterally. However, after receiving an injection of sodium Amytal, his symptoms markedly improve. What is the diagnosis?

A boy with gender dysphoria

A 40-year-old transgender woman presents to your outpatient practice for an initial evaluation. You have never received training in gender-affirming therapy and have not had significant experience treating gender-diverse individuals. You are unsure about your ability to treat her. What is the most appropriate next step?

Family studies have shown a relationship between OCD and what other groups of disorders?

A 13-year-old girl (weight:

A 50-year-old woman complains of difficulty sleeping for the last 6 months. She states that when she gets in bed, she tosses and turns because she feels that “I just need to move.” She also reports that she sometimes feels like bugs are crawling on her skin, particularly her legs, which is alleviated by getting out of bed and walking around. She then gets back in bed, but the sensations return in about 30 minutes. She ends up staying awake almost all night two to three times a week. She notes that she is falling asleep at work because she is so tired. After further history and a physical examination, what lab test should be ordered?

Which of the following compensatory behaviors is most commonly used by patients with bulimia nervosa?

Patients who binge eat but do not compensate in any way afterwards are most likely to have

An intoxicated patient presents to the emergency department with pupillary dilation, elevated blood pressure, psychomotor agitation, chest pain, and confusion. The patient appears quite thin. Which of the following substances is most likely the cause of these symptoms?