Two most common ways for lead to enter the body?

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Multiple Choice

Two most common ways for lead to enter the body?

Explanation:
Lead mainly enters the body through ingestion and inhalation. In everyday and occupational settings, people can swallow lead-contaminated dust or paint chips, or breathe in lead-containing dust or fumes. The skin is a poor route for lead entry: intact skin acts as a strong barrier, so dermal absorption of lead is much less significant. Injection is not a common exposure pathway for lead in typical scenarios. So the combination of ingestion and inhalation best explains how lead exposure occurs most often.

Lead mainly enters the body through ingestion and inhalation. In everyday and occupational settings, people can swallow lead-contaminated dust or paint chips, or breathe in lead-containing dust or fumes. The skin is a poor route for lead entry: intact skin acts as a strong barrier, so dermal absorption of lead is much less significant. Injection is not a common exposure pathway for lead in typical scenarios. So the combination of ingestion and inhalation best explains how lead exposure occurs most often.

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