Step 1: Concept
ADHD is a neurodevelopmental disorder characterized by difficulties with attention, hyperactivity, and impulsivity.
Step 2: Meaning
ADHD stands for Attention-Deficit/Hyperactivity Disorder. This term reflects the core symptoms of the condition: problems with sustained attention, excessive activity, and impulsive behavior.
Step 3: Analysis
[leftmargin=20pt, itemsep=3pt, topsep=4pt]
• A) Option A correctly defines ADHD as "Attention-Deficit Hyperactivity Disorder."
• B) Option B mentions Autism and Dyslexia, which are separate conditions unrelated to the ADHD acronym.
• C) Option C includes terms like "disabled" and "aggressive," which do not accurately describe ADHD.
• D) Option D refers to an autoimmune disease and HIV disorder, neither of which is related to ADHD.
Step 4: Conclusion
The correct definition aligns with the medical understanding of ADHD as a neurodevelopmental condition characterized by attention difficulties, hyperactivity, and impulsivity.
Final Answer: (A)