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List examples of metallic compounds that pose environmental hazards. What are some examples of health effects thought to be associated with arsenic, mercury, and lead?
- A. Arsenic: cancer; Mercury: neurotoxicity; Lead: developmental delays.
- B. Arsenic: improved digestion; Mercury: enhanced memory; Lead: stronger bones.
- C. Arsenic: weight loss; Mercury: better vision; Lead: faster reflexes.
- D. Arsenic: increased stamina; Mercury: clearer speech; Lead: heightened focus.
Correct Answer: A
Rationale: Arsenic is carcinogenic, mercury causes neurotoxicity, and lead impairs cognitive development, particularly in children.
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Define the following terms: environmental epidemiology
- A. The study of disease patterns in populations.
- B. The study of chemical reactions in the environment.
- C. The study of genetic inheritance patterns.
- D. The study of physical activity and health.
Correct Answer: A
Rationale: Environmental epidemiology focuses on identifying and measuring exposures to environmental hazards and their health effects.
Usually conventional researches base on
- A. Deduction
- B. Induction
- C. Relationalism
- D. None of the above
Correct Answer: A
Rationale: Conventional research typically uses deduction, moving from general principles to specific conclusions.
Imparts of a table Heading of column is known as:
- A. Caption
- B. Head note
- C. Stabs
- D. None of them
Correct Answer: A
Rationale: Captions provide titles or explanations for columns in tables.
Total fertility rate (TFR) refers to
- A. Number of births per one thousand women
- B. Number of women between 15-49 years
- C. Number of children per woman (approximate completed family size)
- D. None of the above
Correct Answer: C
Rationale: TFR measures the average number of children a woman would have during her reproductive years, approximating the completed family size.
Define in your own words the term 'operations research'.
- A. The use of mathematical models to optimize healthcare delivery.
- B. Research focused on surgical procedures.
- C. Studies conducted in hospital operating rooms.
- D. Analysis of clinical trial data.
Correct Answer: A
Rationale: Operations research involves applying mathematical and analytical methods to optimize complex systems, such as healthcare delivery.