Principles of Environmental Health
Comprehensive Finals Review (Qns & Ans)
2025
1. Which of the following is a primary goal of environmental
health?
- A. To diagnose individual patients
- B. To prevent disease and promote health through
environmental interventions
- C. To develop new medications
- D. To perform surgeries
- ANS: B. To prevent disease and promote health through
environmental interventions
- Rationale: Environmental health focuses on preventing
disease and promoting health by addressing environmental factors
that can affect health.
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,2. What is the main purpose of the Clean Air Act?
- A. To regulate water quality
- B. To control air pollution and protect air quality
- C. To manage waste disposal
- D. To promote occupational health
- ANS: B. To control air pollution and protect air quality
- Rationale: The Clean Air Act aims to control air pollution
and protect air quality to safeguard public health and the
environment.
3. Which of the following is an example of a biological hazard
in environmental health?
- A. Lead exposure
- B. Asbestos
- C. Bacteria
- D. Noise pollution
- ANS: C. Bacteria
- Rationale: Biological hazards include microorganisms such
as bacteria, viruses, and fungi that can cause diseases.
4. What is the primary focus of the field of toxicology?
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, - A. The study of infectious diseases
- B. The study of the adverse effects of chemicals on living
organisms
- C. The study of genetic disorders
- D. The study of nutritional deficiencies
- ANS: B. The study of the adverse effects of chemicals on
living organisms
- Rationale: Toxicology focuses on understanding the
harmful effects of chemicals on living organisms and assessing
the risks associated with chemical exposures.
5. Which of the following is a key component of a risk
assessment in environmental health?
- A. Diagnosing diseases
- B. Evaluating the potential health effects of exposure to
environmental hazards
- C. Developing new medications
- D. Performing surgeries
- ANS: B. Evaluating the potential health effects of exposure
to environmental hazards
- Rationale: Risk assessment involves evaluating the potential
health effects of exposure to environmental hazards to inform
decision-making and risk management.
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