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9. Health Risk Assessment
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11 questions on this section. Wrong answers show you what to read again.
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
4 cards from this lesson. Good the night before a test.
Try these first
- 1.
What are the three main exposure pathways through which hazardous materials can enter the human body?
Hint
Think of how we come in contact with air, food, and skin directly.
- 2.
What does LD50 mean?
Hint
Consider the term 'lethal dose' in terms of toxicity.
- 3.
What is the main concern of health risk assessment?
- To prevent all diseases
- To evaluate risks from hazardous substance exposure
- To monitor weather patterns
Hint
Think about the term 'risk assessment.'
- 4.
True or False: Ingestion is one of the exposure pathways for hazardous materials.
- True
- False
Hint
Consider how food and drinks can contribute to exposure.
- 5.
A factory discharges a toxic chemical into a river. Describe the possible environmental pathways that the chemical might travel and the potential health risks it may pose to nearby residents.
Hint
Consider all possible routes in the river ecosystem and the populations living nearby.
- 6.
Evaluate how a change in exposure level of a hazardous chemical could affect the health risk assessment for a population within a community.
Hint
Think about how regulatory bodies respond to increased risks.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting