Certified in Public Health (CPH) Practice Exam

What is a significant barrier faced by residents in colonias?

1. Access to public libraries

2. Availability of affordable housing

3. Lack of public sewage systems

4. High-speed internet access

The correct answer is: Lack of public sewage systems

The significant barrier faced by residents in colonias is the lack of public sewage systems. Colonias are often informal settlements located along the U.S.-Mexico border, where residents may experience inadequate infrastructure and limited access to essential services. The absence of proper sewage systems can lead to serious public health concerns, including the risk of waterborne diseases and environmental contamination. Safe and reliable sanitation systems are crucial for maintaining public health, and their lack in colonias underscores the challenges these communities face in achieving adequate living conditions. In contrast, while access to public libraries, affordable housing, and high-speed internet are relevant issues, they are not as universally impactful on public health as the lack of sewage systems. Access to libraries and internet services, though important for education and economic opportunities, may not pose immediate health risks. Similarly, while affordable housing is critical for overall well-being, it does not directly correlate with sanitation and the essential need for safe waste disposal in the context of public health.