NU 411 Exam 3 Guide With
Complete Solution
What is the precautionary principle? - ANSWER "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? -
ANSWER Veteran assessment, home assessment, community environment,
and hobbies
Describe the veteran assessment portion of environmental assessment -
ANSWER 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? - ANSWER Areas that do not have safe parks,
playgrounds, or that have lesser quality of land
What dangerous substance in the home is being described:
A colorless, odorless radioactive gas; linked with increased risk of lung
cancer, exposure via inhalation - ANSWER 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
- ANSWER Lead
What is an unsafe level of radon in the home? - ANSWER > 4pci/L
What are some measures to prevent carbon monoxide poisoning (specifically
during power outages)? - ANSWER 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? - ANSWER 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 - ANSWER <10: None
20-30: Drowsiness, headache, slight increase in RR, dizziness, HA, N/V
30-40: Impaired judgement, difficulty breathing, blurred vision, stomach pain
40-50: Confusion, blurred vision, SOB, uncontrolled sleep, vertigo, memory
loss
Complete Solution
What is the precautionary principle? - ANSWER "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? -
ANSWER Veteran assessment, home assessment, community environment,
and hobbies
Describe the veteran assessment portion of environmental assessment -
ANSWER 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? - ANSWER Areas that do not have safe parks,
playgrounds, or that have lesser quality of land
What dangerous substance in the home is being described:
A colorless, odorless radioactive gas; linked with increased risk of lung
cancer, exposure via inhalation - ANSWER 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
- ANSWER Lead
What is an unsafe level of radon in the home? - ANSWER > 4pci/L
What are some measures to prevent carbon monoxide poisoning (specifically
during power outages)? - ANSWER 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? - ANSWER 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 - ANSWER <10: None
20-30: Drowsiness, headache, slight increase in RR, dizziness, HA, N/V
30-40: Impaired judgement, difficulty breathing, blurred vision, stomach pain
40-50: Confusion, blurred vision, SOB, uncontrolled sleep, vertigo, memory
loss
