<prompt> Which among the following is not a cardinal feature of ADHDInattentionImpulsivityHyperactivityTemper Tantrums  <response>: ADHD is characterized by the three core symptoms of inattention, hyperactivity, and impulsiveness. The symptoms under Inattention dimension are DOES NOT LISTEN TO OTHERS DOES NOT FOLLOW RUCTIONS LOOSES THINGS FORGETS DISTRACTIBLE symptoms under hyperactivity dimension are FIDHETY LEAVES SEAT ALWAYS TALKS MORE DOES NOT PLAY QUIET symptoms under impulsivity dimension are DOES NOT WAIT FOR TURN BLUS OUT ANSWERS INTERRUPTS DSM-IV recognizes 3 subtypes: a combined subtype where all 3 features are present, an inattentive subtype ADD, and a hyperactive-impulsive subtype. Reference: Oxford Textbook of Psychiatry; 3rd edition; Chapter 16; Child and adolescent psychiatry 