Final answer:
The nurse should direct the task force to first assess the blood lead levels of children in the community in order to determine the extent of lead exposure and identify individuals who may require immediate intervention or medical attention.
Step-by-step explanation:
The first activity that the nurse should direct the task force to complete is b) Assess the blood lead levels of children in the community. By assessing the blood lead levels of children in the community, the task force can determine the extent of lead exposure and identify individuals who may require immediate intervention or medical attention. This activity will provide crucial data that will guide the development of educational materials, advocacy efforts for stricter regulations, and the establishment of community programs for lead waste disposal.