An otherwise healthy 43-year-old woman comes to the physician because of several episodes of involuntary movements of her head over the past few months. They are sometimes associated with neck pain and last minutes to hours. Neurologic examination shows no abnormalities. During examination of the neck, the patient's head turns horizontally to the left. She states this movement is involuntary, and that she is unable to unturn her head. After 5 minutes, her head re-straightens. Which of the following best describes this patient's disorder?
ADystonia
BAthetosis
CAkathisia
DHemiballismus
EChorea
A 5-year-old girl is brought to the physician because her mother has found her to be inattentive at home and has received multiple complaints from her teachers at school. She does not complete her assignments and does not listen to her teachers' instructions. She refuses to talk to her parents or peers. Her mother says, “She ignores everything I say to her!” She prefers playing alone, and her mother reports that she likes playing with 5 red toy cars, repeatedly arranging them in a straight line. She avoids eye contact with her mother and the physician throughout the visit. Physical and neurological examination shows no abnormalities. Which of the following is the most likely diagnosis?
ARett syndrome
BConduct disorder
COppositional defiant disorder
DAttention deficit hyperactivity disorder
EAutism spectrum disorder
An 8-year-old girl is brought to the physician because of repetitive involuntary movements, including neck twisting, grimacing, grunting, and blinking, for the past 18 months. Her symptoms seem to improve with concentration and worsen with fatigue. During the past 3 months, they have become so severe that she has missed many school days. Her mother says she also has too much anxiety about her involuntary movements to see her friends and prefers staying home in her room. Her birth and development until 18 months ago were normal. Her father suffers from bipolar disorder. Vital signs are within normal limits. Mental status examination shows intact higher mental function and thought processes. Neurological examination shows multiple motor and vocal tics. Physical examination is otherwise within normal limits. Which of the following is the most appropriate initial pharmacotherapy for this condition?
AFluoxetine
BAlprazolam
CChlorpromazine
DRisperidone
EBuspirone
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