A Community Health Nurse Prepares for a New Assignment

A community health nurse prepares for a new assignment.She has been assigned census tracts 131 and 132.This large area crosses the border of two towns and includes 4,000 people.She recognizes that assignments are based on census tracts because census tracts do which of the following? Select all that apply.

A) Define the geopolitical boundaries of a community
B) Are made up of persons who share a common heritage and customs
C) Divide populations into smaller groups that can be assessed more readily
D) Are natural divisions in communities that are based on voting patterns