A school bus carrying children in grades K12 crashed into a ravine. The critically injured children ...

A school bus carrying children in grades K12 crashed into a ravine. The critically injured children were transported by ambulance and admitted to the pediatric intensive care unit (PICU).
 
  The nurse is concerned about calming the frightened children. The most effective nursing intervention to achieve this goal is which of the following? 1. Tell the children that the physicians are competent.
   2. Assure the children that the nurses are caring.
   3. Explain that the PICU equipment is state-of-the-art.
   4. Call the children's parents to come into the PICU.