Toxicity Classification for Pesticides Quiz
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Questions and Answers

Which organ is mainly affected by inorganic mercury toxicity?

  • Lungs
  • Liver
  • Brain
  • Kidneys (correct)
  • What is a common symptom of acrodynia (Pink disease) resulting from dermal exposure to mercury?

  • Jaundice
  • Muscle Cramps
  • Heart Palpitations
  • Peripheral Neuropathy (correct)
  • Which of the following is NOT a sign of long-term organic mercury toxicity?

  • Coma
  • Ataxia
  • Gingivitis (correct)
  • Paresthesias
  • What is a potential effect of organic mercury toxicity on infants with severely affected mothers?

    <p>Visual impairment</p> Signup and view all the answers

    Which symptom is associated with central nervous system effects of mercury exposure?

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

    How is inorganic mercury typically measured in diagnostic procedures?

    <p>In 24-hour urine collection</p> Signup and view all the answers

    Which of the following sweeteners has the highest relative sweetness compared to sucrose?

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

    What is the chemical formula for aspartame?

    <p>C₁₄H₁₈N₂O₅</p> Signup and view all the answers

    Which of the following is NOT a product that typically contains aspartame?

    <p>Fruit juices</p> Signup and view all the answers

    In which year was saccharin discovered, and by whom?

    <p>1879, by Constantine Fahlberg</p> Signup and view all the answers

    Which of the following statements about aspartame is true, according to the information provided?

    <p>Aspartame was discovered in 1965 while searching for new treatments for gastric ulcers.</p> Signup and view all the answers

    What was the more accurate name proposed for the structure of sucralose?

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

    Why did the FDA not require the use of the more accurate name 'trichlorogalactosucrose' for sucralose?

    <p>The FDA did not believe it was necessary to use the more accurate name</p> Signup and view all the answers

    What is the most dangerous component of sucralose according to the text?

    <p>The presence of chlorine</p> Signup and view all the answers

    Why are the long-term effects of sucralose on humans unclear according to the text?

    <p>Lack of long-term studies on humans</p> Signup and view all the answers

    Which of the following symptoms have been associated with sucralose consumption?

    <p>Gastrointestinal problems and skin irritations</p> Signup and view all the answers

    What did a recent study find about the effects of Splenda (sucralose) on rats?

    <p>Splenda interfered with the absorption of medications in the rats</p> Signup and view all the answers

    What is the legally defined term for a pesticide with an LD50 of 50 mg/kg or less?

    <p>Highly toxic pesticide</p> Signup and view all the answers

    What is the signal word that must be displayed on the label of a pesticide with an LD50 of 50 mg/kg or less?

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

    What is the relative toxicity (LD50 in mg/kg) of the insecticide Parathion?

    <p>13.0</p> Signup and view all the answers

    What is the specific gravity of mercury, a heavy metal?

    <p>13.54</p> Signup and view all the answers

    How are heavy metals typically absorbed through the respiratory system?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is NOT a physical property of heavy metals?

    <p>Low density</p> Signup and view all the answers

    What percentage of non-industry-sponsored studies identified problems with aspartame?

    <p>92%</p> Signup and view all the answers

    What was the position held by some FDA officials after approving aspartame?

    <p>They worked for the aspartame industry</p> Signup and view all the answers

    How many of the industry-sponsored studies on aspartame claimed to find no problems with the sweetener?

    <p>All 74 studies</p> Signup and view all the answers

    What is the acceptable daily intake (ADI) of acesulfame potassium set by the FDA?

    <p>15 mg/kg of body weight/day</p> Signup and view all the answers

    What is the primary concern raised about acesulfame potassium in the text?

    <p>The lack of long-term studies and improper testing</p> Signup and view all the answers

    How does the aspartame industry's research compare to that of the tobacco industry?

    <p>It is similar, as industry research rarely finds problems with their products</p> Signup and view all the answers

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