VIBS 422 Exam Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Name 2 pesticides
Answer:
DDT and endosulfan
Q: Which EDC caused birth defects in the village in India?
Answer:
Endosulfan
Q: The industrial revolution began in the century?
Answer:
18th century
Q: The industrial revolution began in which country?
Answer:
Britain
Q: What are point sources and give an example.
Answer:
They are easily identifiable and controlled sources of direct water pollution
Ex, factory is dumping chemicals into a river
Q: What are non-point sources and give an example.
Answer:
They are harder to identify and control than point sources.
Ex, snow melting on a hill and the runoff has contaminants that run into the river
Q: What is the EDC that contaminated Hinkley, Ca?
Answer:
Chromium-6
Q: What is the EDC that contaminated the Navajo Nation and briefly describe it.
,Answer:
Uranium (yellow dirt) was mined by the Dine tribe back in the 1930s. 300 out of
the 700 mines are still active today and it is now evident that those Dine miners
died from radiation poisoning without ever knowing it.
Q: Briefly describe the Flint Water Crisis.
Answer:
Flint, MI officials failed to implement corrosion inhibitors when changing primary
water sources from Lake Huron/ Detroit River to the Flint River. This lead to
contamination from aging pipes and about 6,000-12,000 children have been
exposed to high levels of lead.
Q: What are the EDCs that contaminated the Animas river?
Answer:
Cadmium, lead, arsenic, mercury, beryllium
CLAMB
Q: Which part of the body absorbs EDCs to the highest rate?
Answer:
Genital areas (11x more than the hand)
Q: Bioaccumulation (definition and example)
Answer:
The body stores toxicants (typically fat-soluble)
DDT is persistent and fat-soluble so it builds up in tissues of seagulls/ birds.
Q: Genistein: what type of EDC is it and where is it found?
Answer:
Phytoestrogen Found in soy and formula milk
Q: Zearalenone: what type of EDC is it and where is it found?
Answer:
Fungal estrogen Nonsteroidal and produced by Fusarium molds
Q: Which EDC interferes with eggshell thickness?
, Answer:
DDT
Q: Agonist definition and example
Answer:
Agonist means to amplify the action already being done
Ex, DES increases estrogen levels
Q: 1976-1994 experienced a % increase in all infant cancers in both sexes
Answer:
rise in 36%
Q: Three reasons why children more susceptible to EDC exposure?
Answer:
1. Absorb more pesticides from environment because they play on the ground more
than adults
Reduced ability to detoxify and excrete pesticides (underdeveloped immune
system)
Immature blood-brain barrier
Q: Who is the author/year of Silent Springs?
Answer:
Rachel Carson in 1962
Pneumonic: "Cars the movie was set in radiator Springs"
Q: What did Rachel Carson do for the world?
Answer:
She wrote the book Silent Springs in 1962 which brought the effects of chemical
pollution int he wildlife to our attention.
Specifically, she showed how DDT kills indiscriminately (every insect and even
birds) and how we spray it widespread to only target a few mosquitoes.
Also showed that no-one knows the long-term effects of DDT
Q: Who wrote the Third Wave book?
Answer:
Alvin Toffler TT "Third-Toffler"
Latest 2026 Update
Q: Name 2 pesticides
Answer:
DDT and endosulfan
Q: Which EDC caused birth defects in the village in India?
Answer:
Endosulfan
Q: The industrial revolution began in the century?
Answer:
18th century
Q: The industrial revolution began in which country?
Answer:
Britain
Q: What are point sources and give an example.
Answer:
They are easily identifiable and controlled sources of direct water pollution
Ex, factory is dumping chemicals into a river
Q: What are non-point sources and give an example.
Answer:
They are harder to identify and control than point sources.
Ex, snow melting on a hill and the runoff has contaminants that run into the river
Q: What is the EDC that contaminated Hinkley, Ca?
Answer:
Chromium-6
Q: What is the EDC that contaminated the Navajo Nation and briefly describe it.
,Answer:
Uranium (yellow dirt) was mined by the Dine tribe back in the 1930s. 300 out of
the 700 mines are still active today and it is now evident that those Dine miners
died from radiation poisoning without ever knowing it.
Q: Briefly describe the Flint Water Crisis.
Answer:
Flint, MI officials failed to implement corrosion inhibitors when changing primary
water sources from Lake Huron/ Detroit River to the Flint River. This lead to
contamination from aging pipes and about 6,000-12,000 children have been
exposed to high levels of lead.
Q: What are the EDCs that contaminated the Animas river?
Answer:
Cadmium, lead, arsenic, mercury, beryllium
CLAMB
Q: Which part of the body absorbs EDCs to the highest rate?
Answer:
Genital areas (11x more than the hand)
Q: Bioaccumulation (definition and example)
Answer:
The body stores toxicants (typically fat-soluble)
DDT is persistent and fat-soluble so it builds up in tissues of seagulls/ birds.
Q: Genistein: what type of EDC is it and where is it found?
Answer:
Phytoestrogen Found in soy and formula milk
Q: Zearalenone: what type of EDC is it and where is it found?
Answer:
Fungal estrogen Nonsteroidal and produced by Fusarium molds
Q: Which EDC interferes with eggshell thickness?
, Answer:
DDT
Q: Agonist definition and example
Answer:
Agonist means to amplify the action already being done
Ex, DES increases estrogen levels
Q: 1976-1994 experienced a % increase in all infant cancers in both sexes
Answer:
rise in 36%
Q: Three reasons why children more susceptible to EDC exposure?
Answer:
1. Absorb more pesticides from environment because they play on the ground more
than adults
Reduced ability to detoxify and excrete pesticides (underdeveloped immune
system)
Immature blood-brain barrier
Q: Who is the author/year of Silent Springs?
Answer:
Rachel Carson in 1962
Pneumonic: "Cars the movie was set in radiator Springs"
Q: What did Rachel Carson do for the world?
Answer:
She wrote the book Silent Springs in 1962 which brought the effects of chemical
pollution int he wildlife to our attention.
Specifically, she showed how DDT kills indiscriminately (every insect and even
birds) and how we spray it widespread to only target a few mosquitoes.
Also showed that no-one knows the long-term effects of DDT
Q: Who wrote the Third Wave book?
Answer:
Alvin Toffler TT "Third-Toffler"
