Peter Is 4 Years Old and Has Been Dismissed from Two

question 1

Multiple Choice

Peter is 4 years old and has been dismissed from two preschools for disruptive behavior and inability to sit in circle time. His father wants him evaluated for ADHD. Which of the following statements about 4 year-olds and ADHD is most accurate?

• A) If medication is needed, methylphenidate is recommended for children in this age group.
• B) Stimulants are the first-line treatment for children in this age group.
• C) Children less than 6 years of age metabolize methylphenidate more quickly than older children and may need proportionally a higher dose.
• D) The chronic condition model does not apply to preschool children with ADHD.

---

Definitions:

Plasticity

The capacity of the brain to change and adapt as a result of experience or injury, including the ability to reorganize pathways and create new connections.

Neurogenesis

The process of the formation of new neurons in the brain.

Split Brain

A condition resulting from surgery that isolates the brain’s two hemispheres by cutting the fibers (mainly those of the corpus callosum) connecting them.

Corpus Callosum

The large band of neural fibers connecting the two hemispheres of the brain, facilitating communication and coordination between them.