<prompt> Concerning attention deficit hyperactivity disorder which is true?Impulsive behavior is a featureHigher incidence in tic disordersMay respond to treatment with stimulants such as amphetamineAll the above  <response>: Ans. d All of the aboveRef : OP Ghai 8th edJ59 Attention deficit hyperactivity disorder in the ICD- 10 is a psychiatric disorder of the neurodevelopmental type in which there are significant problems of attention, hyperactivity, or acting impulsively that are not appropriate for age. Symptoms must begin by age six to twelve and persist for more than six months for a diagnosis to be made. In school-aged individuals inattention symptoms often result in poor school performanceSymptoms Inattention Hyperactivity restlessness in adults, Disruptive behavior, and Impulsivity, are common in ADHD Academic difficulties are frequent as are problems with relationships. Based on the presenting symptoms ADHD can be divided into three subtypes predominantly inattentive, predominantly hyperactive-impulsive, or combined.An individual with inattention may have some or all of the following symptoms: Be easily distracted, miss details, forget things, and frequently switch from one activity to another. Have difficulty in maintaining focus on one task. Become bored with a task after only a few minutes, unless doing something enjoyable. Have difficulty focusing attention on organizing and completing a task or learning something new. Have trouble completing or turning in homework assignments, often losing things e.g., pencils, toys, assignments needed to complete tasks or activities. Not seem to listen when spoken to. Daydream, become easily confused, and move slowly. Have difficulty processing information as quickly and accurately as others. Struggle to follow instructions.An individual with hyperactivity may have some or all or the following symptoms: Fidget and squirm in their seats. Talk nonstop. Dash around, touching or playing with anything and everything in sight. Have trouble sitting sill during dinner, school, doing homework, and story time. Be constantly in motion. Have difficulty doing quiet tasks or activities. 