Environmental Protection Agency (EPA) Lead Risk Assessor Practice Exam

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A child may be treated for lead poisoning by using which of the following methods?

Blood transfusion
Radiation therapy
Chelation therapy
Therapeutic play

The correct answer is: Chelation therapy

Chelation therapy is the correct method for treating lead poisoning in children. This medical treatment involves the administration of chelating agents that bind to lead in the bloodstream, allowing it to be excreted from the body through urine. This process helps reduce the level of lead in the body, thereby minimizing its toxic effects on the child's health, especially on the nervous system and other vital organs. While blood transfusion may be used in certain medical emergencies to treat severe anemia, it is not a standard treatment for lead poisoning. Similarly, radiation therapy is used primarily for cancer treatment and is not applicable in the context of lead toxicity. Therapeutic play, while beneficial for a child's emotional and psychological well-being in a medical setting, does not address the physiological issue of lead exposure and cannot remove lead from the body. Hence, chelation therapy remains the scientifically validated and effective option for managing lead poisoning in children.