ADHD Prevalence in Kids
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Questions and Answers

What is the estimated prevalence of ADHD in school-age children?

  • 11 percent
  • 8 to 11 percent (correct)
  • 2 to 18 percent
  • 42 percent

    • What was the prevalence of parent-reported diagnosis of ADHD in children aged 4 to 17 years in the 2011 National Survey of Children's Health?

  • 11 percent (correct)
  • 7.8 percent
  • 42 percent
  • 15.1 percent

    • What is the male to female ratio for the predominantly hyperactive type of ADHD?

  • 4:1 (correct)
  • 2:1
  • 3:1
  • 5:1

    • What is the prevalence of ADHD among 11 to 14-year-olds?

    <p>14.3 percent (C)</p> Signup and view all the answers

    What is the estimated prevalence of ADHD in adults aged 18 to 44 years in the US?

    <p>4.4 percent (B)</p> Signup and view all the answers

    What was the prevalence of ADHD among 18 to 44 year olds in ten countries in the Americas, Europe, and Middle East, according to a World Health Organization survey?

    <p>3.4 percent (C)</p> Signup and view all the answers

    What is the prevalence of ADHD in higher-income countries among 18 to 44 year olds?

    <p>4.4 percent (D)</p> Signup and view all the answers

    Approximately what proportion of children are diagnosed with ADHD before age six years?

    <p>1/3 (A)</p> Signup and view all the answers

    What is the prevalence of ADHD in 4- to 10-year-olds?

    <p>7.7 percent (C)</p> Signup and view all the answers

    What is the estimated prevalence of ADHD in girls according to the 2011 National Survey of Children's Health?

    <p>6.7 percent (A)</p> Signup and view all the answers

    What was the prevalence of a parent-reported diagnosis of ADHD in the 2011 National Survey of Children's Health among children aged 4 to 17 years?

    <p>11 percent (A)</p> Signup and view all the answers

    What is the estimated prevalence of ADHD in 15- to 17-year-olds?

    <p>15.1 percent (D)</p> Signup and view all the answers

    What is the imbalance between the norepinephrine and dopamine systems in the prefrontal cortex in patients with ADHD?

    <p>Decrease in inhibitory dopaminergic activity and increase in norepinephrine activity (A)</p> Signup and view all the answers

    Which prenatal factor is NOT strongly suggested to play a role in ADHD?

    <p>Prenatal exposure to caffeine (D)</p> Signup and view all the answers

    What is the most common comorbidity in children with ADHD?

    <p>ODD (C)</p> Signup and view all the answers

    What are the core symptoms of ADHD according to DSM-5?

    <p>Hyperactivity/Impulsivity and Inattention (A)</p> Signup and view all the answers

    Which presentation of ADHD is characterized by meeting both Criterion A1 (inattention) and Criterion A2 (hyperactivity/impulsivity) for the past 6 months?

    <p>Combined presentation (D)</p> Signup and view all the answers

    What is the current severity level if symptoms result in marked impairment in social or occupational functioning?

    <p>Severe (C)</p> Signup and view all the answers

    Which rating scale is specifically designed for assessing ADHD in adults?

    <p>Connors Adult ADHD Rating Scales (A)</p> Signup and view all the answers

    What is the specified age range for the NICHQ Vanderbilt Assessment Scales?

    <p>4 years or higher (B)</p> Signup and view all the answers

    What is the specified age range for the Conners Comprehensive Behavior Rating Scales?

    <p>6 years or higher (A)</p> Signup and view all the answers

    What is the most common presentation of ADHD in adults?

    <p>Predominantly inattentive presentation (A)</p> Signup and view all the answers

    What is the specified code for the combined presentation of ADHD in the DSM-5?

    <p>314.01 (F90.2) (B)</p> Signup and view all the answers

    What is the specified code for the predominantly hyperactive/impulsive presentation of ADHD in the DSM-5?

    <p>314.01 (F90.1) (B)</p> Signup and view all the answers

    ADHD prevalence in school-age children is estimated to be between 8 and 11 percent.

    <p>True (A)</p> Signup and view all the answers

    The prevalence of ADHD in boys is 15.1% according to the 2011 National Survey of Children's Health.

    <p>True (A)</p> Signup and view all the answers

    The prevalence of ADHD may increase with increasing age, reaching 14.0% in 15- to 17-year-olds.

    <p>True (A)</p> Signup and view all the answers

    ADHD prevalence in adults is 4.4% among 18 to 44 year olds in the US.

    <p>True (A)</p> Signup and view all the answers

    According to a World Health Organization survey, the prevalence of ADHD in adults aged 18 to 44 years is 3.4% in ten countries in the Americas, Europe, and Middle East.

    <p>True (A)</p> Signup and view all the answers

    The prevalence of ADHD is higher in boys than in girls, with a ratio of 4:1 for the predominantly hyperactive type.

    <p>True (A)</p> Signup and view all the answers

    Approximately 1/3 of children are diagnosed with ADHD before age six years.

    <p>True (A)</p> Signup and view all the answers

    ADHD prevalence in lower-income countries is 1.9%.

    <p>False (B)</p> Signup and view all the answers

    ADHD prevalence in 4- to 10-year-olds is 7.7%.

    <p>False (B)</p> Signup and view all the answers

    ADHD prevalence in higher-income countries is 4%.

    <p>True (A)</p> Signup and view all the answers

    The prevalence of a parent-reported diagnosis of ADHD (ever) among children aged 4 to 17 years in the United States was estimated to be 11% in the 2011 National Survey of Children's Health.

    <p>True (A)</p> Signup and view all the answers

    ADHD is more common in boys than girls, with a ratio of 2:1 for the predominantly inattentive type.

    <p>False (B)</p> Signup and view all the answers

    ADHD is primarily caused by an imbalance between the norepinephrine and dopamine systems in the prefrontal cortex

    <p>True (A)</p> Signup and view all the answers

    ADHD has been associated with an increase in dopamine transporter density in patients compared to healthy controls

    <p>True (A)</p> Signup and view all the answers

    Prenatal exposure to alcohol is not a factor associated with ADHD

    <p>False (B)</p> Signup and view all the answers

    ADHD predominantly inattentive presentation is characterized by meeting Criterion A1 (inattention) but not Criterion A2 (hyperactivity/impulsivity) for the past 6 months

    <p>True (A)</p> Signup and view all the answers

    ADHD predominantly hyperactive/impulsive presentation is characterized by meeting Criterion A2 (hyperactivity-impulsivity) but not Criterion A1 (inattention) for the past 6 months

    <p>True (A)</p> Signup and view all the answers

    ADHD combined presentation is characterized by meeting both Criterion A1 (inattention) and Criterion A2 (hyperactivity/impulsivity) for the past 6 months

    <p>True (A)</p> Signup and view all the answers

    ADHD can be in partial remission if full criteria were previously met, fewer than the full criteria have been met for the past 6 months, and the symptoms still result in impairment in social, academic, or occupational functioning

    <p>True (A)</p> Signup and view all the answers

    ADHD is primarily a childhood disorder and does not significantly affect adults

    <p>False (B)</p> Signup and view all the answers

    ADHD core symptoms include excessive fidgetiness, difficulty remaining seated, and excessive talking

    <p>True (A)</p> Signup and view all the answers

    ADHD core symptoms include failure to provide close attention to detail, difficulty organizing tasks, and forgetfulness in routine activities

    <p>True (A)</p> Signup and view all the answers

    ADHD is not associated with any known comorbidities

    <p>False (B)</p> Signup and view all the answers

    ADHD assessment in adults can be done using the Connors Adult ADHD Rating Scales

    <p>True (A)</p> Signup and view all the answers

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