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 (B)</p> Signup and view all the answers

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

<p>Insomnia (D)</p> Signup and view all the answers

How is inorganic mercury typically measured in diagnostic procedures?

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

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

<p>Sucralose (B)</p> Signup and view all the answers

What is the chemical formula for aspartame?

<p>C₁₄H₁₈N₂O₅ (A), C₁₄H₁₈N₂O₅ (C)</p> Signup and view all the answers

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

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

In which year was saccharin discovered, and by whom?

<p>1879, by Constantine Fahlberg (C)</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. (A)</p> Signup and view all the answers

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

<p>Trichlorogalactosucrose (D)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Gastrointestinal problems and skin irritations (C)</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 (A)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>13.0 (A)</p> Signup and view all the answers

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

<p>13.54 (A)</p> Signup and view all the answers

How are heavy metals typically absorbed through the respiratory system?

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

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

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

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

<p>92% (D)</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 (B)</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 (D)</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 (D)</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 (D)</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 (A)</p> Signup and view all the answers

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