What is a major exposure source of lead?

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Multiple Choice

What is a major exposure source of lead?

Explanation:
Lead-based paint is a major exposure source because it can release lead dust and paint chips, especially from older homes, which people—particularly children—may ingest or inhale. The health effects listed (reduced IQ and learning disabilities; kidney damage and hypertension; overall toxic buildup) describe consequences of exposure, not the source itself. Since lead-based paint directly provides the lead exposure, it stands out as the primary source in this context.

Lead-based paint is a major exposure source because it can release lead dust and paint chips, especially from older homes, which people—particularly children—may ingest or inhale. The health effects listed (reduced IQ and learning disabilities; kidney damage and hypertension; overall toxic buildup) describe consequences of exposure, not the source itself. Since lead-based paint directly provides the lead exposure, it stands out as the primary source in this context.

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