Answer:USMLE step 2 Mcq 271:The teacher of a 6 year old boy has complained to his parents that he is disrupting his class mates




Correct Answer: C

Methylphenidate is an orally administered central nervous system stimulant that is chemically and pharmacologically similar to the amphetamines In treating children with attention-deficit hyperactivity disorder, methylphenidate produces a calming effect. This action of methylphenidate results in a decrease in hyperactivity and an increase in the child's attention span


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