Lead Poisoning Symptoms and Effects Quiz
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Questions and Answers

What are some of the clinical manifestations of lead poisoning in mammalian and avian species?

  • Gastrointestinal upset and infertility (correct)
  • Hyperactivity and increased appetite
  • Dermatologic abnormalities
  • Respiratory disturbances

    • Why is treatment for lead poisoning discouraged in food-producing animals?

  • Due to concerns about food safety (correct)
  • Because it results in immediate recovery
  • Due to the low cost of treatment
  • Because chelation therapy has proven to be ineffective

    • What is a key risk factor for lead poisoning in animals according to the text?

  • Selective eating habits (correct)
  • Limited accessibility to lead
  • Older age
  • Prolonged sleep duration

    • Which method is commonly used for the treatment of lead poisoning?

    <p>Chelation therapy</p> Signup and view all the answers

    Why has the number of lead poisoning cases attributed to oil consumption declined?

    <p>With the elimination of tetraethyl lead from gasoline</p> Signup and view all the answers

    What makes lead poisoning in dogs and cattle more common according to the text?

    <p>Increased exposure through seeding and harvesting activities</p> Signup and view all the answers

    What treatment approach may limit oxidative damage associated with acute lead poisoning?

    <p>Chelation therapy combined with antioxidant treatment</p> Signup and view all the answers

    What is the recommended daily dose of N-acetylcysteine for lead poisoning treatment in animals?

    <p>50 mg/kg per day</p> Signup and view all the answers

    Why is there controversy surrounding the rationale for treating lead poisoning in food-producing animals?

    <p>Mobilization of lead at parturition and excretion of lead into milk</p> Signup and view all the answers

    What is the average half-life of lead in the blood of cattle ingesting particulate lead?

    <p>&gt;9 weeks</p> Signup and view all the answers

    How should withdrawal times for potentially exposed cattle be estimated?

    <p>By periodic monitoring of blood lead concentrations</p> Signup and view all the answers

    What is a significant concern regarding lead exposure and dairy animals?

    <p>Lead being secreted into the milk</p> Signup and view all the answers

    What is a potential source of lead poisoning in backyard chicken flocks based on the text?

    <p>Ingestion of paint flecks</p> Signup and view all the answers

    How does lead poisoning generally manifest in young cattle within 24-48 hours of exposure?

    <p>Convulsions and muscle tremors</p> Signup and view all the answers

    What is a common symptom of acute lead poisoning in dogs according to the text?

    <p>Hysterical barking and jaw champing</p> Signup and view all the answers

    How does lead poisoning typically affect horses according to the text?

    <p>Weakness and laryngeal paralysis</p> Signup and view all the answers

    What potential public health risk is associated with elevated lead concentrations in eggs from poultry?

    <p>Increased risk of neurological disorders in humans</p> Signup and view all the answers

    Which animal species is mentioned as being more resistant to clinical lead poisoning compared to others?

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

    What is a characteristic sign of subacute lead poisoning in sheep or older cattle according to the text?

    <p>Anorexia and diarrhea</p> Signup and view all the answers

    'Aspiration pneumonia' is mentioned as a potential consequence of which symptom related to lead poisoning?

    <p>'Pharyngeal paralysis' in birds</p> Signup and view all the answers

    Which hematologic abnormality is commonly seen in cases of lead poisoning?

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

    What is a sensitive indicator of lead exposure but may not reliably indicate clinical disease?

    <p>Free erythrocyte protoporphyrin levels</p> Signup and view all the answers

    What radiologic examination may be useful in determining the extent of lead exposure?

    <p>X-ray of the bones</p> Signup and view all the answers

    What is the treatment not recommended for food-producing animals with lead poisoning?

    <p>Chelation therapy</p> Signup and view all the answers

    In which species is thiamine (2–4 mg/kg per day, SC) effective in reducing tissue deposition of lead?

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

    What is the daily dose of d-Penicillamine recommended for dogs with lead poisoning?

    <p>10 mg/kg</p> Signup and view all the answers

    'Combined Ca-EDTA and thiamine treatment' is noted to produce which type of response in animals with lead poisoning?

    <p>Beneficial response</p> Signup and view all the answers

    'Chelating agent that has been effective in dogs (10 mg/kg, PO, 3 times a day for 10 days)' refers to which substance?

    <p><em>DMSA</em> (meso 2, 3-dimercaptosuccinic acid)</p> Signup and view all the answers

    'Magnesium sulfate (400 mg/kg, PO)' can be used as what kind of agent to remove lead from the GI tract?

    <p><em>Cathartic agent</em></p> Signup and view all the answers

    What may be indicated to control convulsions in animals with lead poisoning?

    <p>Barbiturates or tranquilizers</p> Signup and view all the answers

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