HLTH 642 Quiz 3

HLTH 642 Quiz 3

HLTH 642 Quiz 3 Liberty University

HLTH 642 Quiz: Foodborne Toxic and Physical Agents

1. The beneficial effects of some toxic substances at low doses is referred to as:
2. Factors unrelated to physiology that determine toxicity include:
3. The majority of pesticides in the U.S. are used for:
4. The dose-response of a toxicant is important to food safety because:
5. These toxins are found primarily in the flesh of coral reef fish:
6. A “toxin” is generally considered to be a substance:
7. Which of the following statements is true regarding toxins?
8. Mycotoxins are produced by:
9. The key distinction of an additive over an adulterant is:
10. Which of the following is considered a toxic health outcome:
11. The dose-response of a substance is:
12. A “poison” is generally considered to be a substance:
13. Toxic metals are known to leach into foods from certain containers such as:
14. Which of the following chemicals often enter the food chain from geological processes?
15. Which toxins are actually formed by bacterial metabolism of fish muscle proteins?
16. The greatest risk from food contamination with radionuclides probably comes from:
17. Which of the following is considered an agrochemical?
18. Which of the following plant toxins are associated with potatoes, tomatoes, and eggplants?
19. The greatest problem with sediments containing persistent chemical pollutants is:
20. Toxic substances found in mushrooms are considered to be:
21. An indicator of relative toxicity among substances is the:
22. These toxins are responsible for the disease syndrome known as neurotoxic shellfish poisoning (NSP):
23. The risks of consuming plant toxins is greatest:
24. These mycotoxins can cause acute disease but they are also established as potent hepatocarcinogens:
25. The key to pesticide safety with regard to foods is:

Set 2

1. A “toxin” is generally considered to be a substance:
2. Prior to use in foods, additives must be:
3. Which of the following statements is true regarding toxins?
4. A “poison” is generally considered to be a substance:
5. An indicator of relative toxicity among substances is the:
6. 2 out of 2 points Of the approximately 5,000 known species of algae, which group is most responsible for introducing toxins into the human food chain:
7. The majority of pesticides in the U.S. are used for:
8. These mycotoxins can cause acute disease but they are also established as potent hepatocarcinogens:
9. Which toxins are actually formed by bacterial metabolism of fish muscle proteins?
10. Of the following, which scenario is most difficult in establishing the causation of a disease from the ingestion of toxicants?
11. The greatest problem with sediments containing persistent chemical pollutants is:
12. From limited surveillance data, the most frequently reported injury comes from
13. The risks of consuming plant toxins is greatest:
14. Which of the following toxins are considered super antigens?
15. This toxic metabolite may enter the human food chain in milk as a result of cows being fed alfatoxin-contaminated feedstuff:
16. The greatest risks with veterinary drugs and animals used for food are from:
17. The period of time between the consumption of toxic substances and the appearance of adverse health outcomes is referred to as:
18.            toxin(s) is/are considered heat stabile.
19. Which of the following is considered an agrochemical?
20. The dose-response of a toxicant is important to food safety because:
21. Factors unrelated to physiology that determine toxicity include:
22. The key to pesticide safety with regard to foods is:
23. The dose-response of a substance is:
24. Toxic metals are known to leach into foods from certain containers such as:
25. The greatest risk from food contamination with radionuclides probably comes from: