EVOLVE - HESI PHARM 1. Which response best supports the observations that the nurse identifies in a client who is experiencing a placebo effect?  Psychological response to inert medication 2. Methylphenidate HCl (Concerta) is prescribed for daily administration to a 10-year-old child with attention deficit-hyperactivity disorder (ADHD). In preparing a teaching plan for the parents of this child newly diagnosed with ADHD, which instruction is most important for the nurse to provide to the pa...