Metal Toxicology: Lead (Pb), Iron (Fe), Arsenic (As), and Cadmium (Cd)
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Questions and Answers

What is the primary cause of lead poisoning?

  • Consuming excessive amounts of iron
  • Ingesting high levels of arsenic
  • Inhaling cadmium fumes
  • Exposure to lead in the environment (correct)

    • What is the common name for lead poisoning?

  • Arsenicism
  • Ferrous toxicity
  • Plumbism (correct)
  • Cadmium intoxication

    • What organ or tissue is particularly vulnerable to lead toxicity?

  • Liver
  • Kidneys
  • Lungs
  • Brain and nervous system (correct)

    • How do young children primarily get exposed to lead?

    <p>Ingesting lead-based paint chips and dust</p> Signup and view all the answers

    What is the classification of lead poisoning dependent on?

    <p>Depends on the exposure route and level</p> Signup and view all the answers

    What percentage of the earth's crust does lead make up?

    <p>0.0013%</p> Signup and view all the answers

    What are the main symptoms of acute lead poisoning?

    <p>Gastrointestinal problems and muscle weakness</p> Signup and view all the answers

    How is chronic lead poisoning usually presented?

    <p>Short-term memory loss and abdominal pain</p> Signup and view all the answers

    What are the normal levels of lead in adults' blood?

    <p>Less than 20 micrograms/dL</p> Signup and view all the answers

    What is the main cause of lead poisoning in children?

    <p>Paints</p> Signup and view all the answers

    Which route of lead exposure is considered important for breastfed infants?

    <p>Breastfeeding</p> Signup and view all the answers

    What is the main cause of lead poisoning in agricultural areas?

    <p>Soil contamination</p> Signup and view all the answers

    In which part of the body is 95% of lead distributed?

    <p>Bone</p> Signup and view all the answers

    What percentage of lead in adults is absorbed through oral intake?

    <p>10-15%</p> Signup and view all the answers

    Which category has the highest percentage of lead excretion in children?

    <p>~65% in urine</p> Signup and view all the answers

    What might indicate chronic lead poisoning according to the text?

    <p>A blue line along the gum with bluish black edging to the teeth</p> Signup and view all the answers

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