FIRST PUBLISH OCTOBER 2024
NU 411 Exam 3 Practice Questions and
Answers
What is the precautionary principle? - Ans:✔✔-"When an activity raises threats of harm to human
health or the environment, precautionary measures should be taken"
Use this principle when activity threatens human life or health, outcome could be serious and
irreversible, unthinkable to present and future generations... Ex. Cabin possibly exposed to bats,
EVERYONE gets gamma globulin and rabies vaccine, people still wearing masks even though vaccinated
What types of assessments are a part of the environmental assessment? - Ans:✔✔-Veteran assessment,
home assessment, community environment, and hobbies
Describe the veteran assessment portion of environmental assessment - Ans:✔✔-Poison possibly
exposed of based on war; type of work and work exposures
Need to know sx, when and who is affected, past work, and overseas travel
What is environmental racism? - Ans:✔✔-Areas that do not have safe parks, playgrounds, or that have
lesser quality of land
What dangerous substance in the home is being described:
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FIRST PUBLISH OCTOBER 2024
A colorless, odorless radioactive gas; linked with increased risk of lung cancer, exposure via inhalation -
Ans:✔✔-Radon (basement prime area of exposure)
What dangerous substance in the home is being described: older homes/remodeling; gasoline,
plumbing, exposure via ingestion or inhalation - Ans:✔✔-Lead
What is an unsafe level of radon in the home? - Ans:✔✔-> 4pci/L
What are some measures to prevent carbon monoxide poisoning (specifically during power outages)? -
Ans:✔✔-Never use oven to heat house during power outages, place generator outside at least 25 feet
from the house
What are some s/sx of carbon monoxide poisoning? - Ans:✔✔-HA and dizziness most common, then
blurred vision, N/V, and cherry red lips and skin
What sx of carbon monoxide poisoning would you see at the following % of CO in blood
<10
20-30
30-40
40-50
>50 - Ans:✔✔-<10: None
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