Environmental Protection Agency (EPA) Model Lead Based Paint Risk Assessor Practice Test

What is a common indicator of lead exposure in children?

1. Frequent infections

2. Behavioral changes

3. High fever

4. Increased appetite

The correct answer is: Behavioral changes

Behavioral changes are a well-documented common indicator of lead exposure in children. Lead can significantly affect neurological development, resulting in various cognitive and behavioral issues. Children exposed to lead might exhibit increased irritability, attention problems, learning difficulties, and other behavioral disorders. This is particularly concerning because children are more susceptible to the harmful effects of lead due to their developing brains and the way they interact with their environment, often putting objects in their mouths. As lead interferes with neurotransmitters and the overall functioning of the nervous system, the resulting behavioral changes can have long-lasting effects on a child's development and overall well-being. The other options, while they might relate to health issues, are not specifically indicative of lead exposure. For example, frequent infections can arise from various factors unrelated to lead, high fever is typically a response to infection or illness, and increased appetite is not typically associated with lead exposure in the same manner as behavioral changes. Understanding lead's impact on children's health emphasizes the importance of monitoring and mitigating exposure to lead sources in their environments.