
Directions:
Try the USMLE Step 3 questions below, pick one best answer from the choices below, then check your answer by clicking on the “get answer” button to see how you did.
Question:
A mother brings her son to see you at the request of the boy’s teacher at school. The teacher noted over the past few weeks that the boy is having these brief, “weird episodes” with facial and whole body twitching, and she notes that he is frequently clearing his throat as if he has allergies. The teacher thinks that he might have epilepsy. He has a long history of attention deficit hyperactivity disorder, and the school is aware that he takes methylphenidate. At the beginning of this semester there was a parent-teacher meeting, and the boy’s progress was reported to be fine. He gets Bs and Cs at school and otherwise seems to be doing fine. Physical examination is normal. You decide that the next best step is to

