When a child's room is excessively hot, what action should be taken?

When addressing the issue of an excessively hot room for a child, the most appropriate action is to change the thermostat. This option directly addresses the immediate environmental concern affecting the child's comfort and safety. A high temperature in a child's room can lead to overheating, which is particularly concerning for infants and young children who may not be able to regulate their body temperature as effectively as adults.

In contrast, requesting assistance from a nurse or a doctor would not provide an immediate solution to the problem at hand. While medical staff can address health concerns resulting from the heat, such as dehydration or heat exhaustion, they are not responsible for environmental control. In situations requiring urgent adjustments to the room's temperature, changing the thermostat is the swiftest and most effective measure to ensure the child's well-being. Additionally, involving a certified nursing assistant may not lead to a direct resolution regarding the temperature control, as their role does not typically include making changes to environmental settings without specific instructions.