Population doubling time is
- A. Growth rate(GR%)/70
- B. 70/GR%
- C. 60/GR%
- D. GR%/60
Correct Answer: B
Rationale: Population doubling time is calculated using the formula 70/GR%, where GR% is the annual growth rate expressed as a percentage.
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To what extent does epidemiology rely on medical disciplines for its content, and to what extent does it draw upon other disciplines?
- A. It relies entirely on medical disciplines.
- B. It relies entirely on non-medical disciplines.
- C. It integrates medical disciplines with social sciences and biostatistics.
- D. It does not rely on any specific discipline.
Correct Answer: C
Rationale: Epidemiology is interdisciplinary, combining knowledge from microbiology, biostatistics, social sciences, and clinical medicine.
What health effects have been studied in relation to this event?
- A. Thyroid cancer, leukemia, psychological trauma.
- B. Improved immune function, enhanced cognition.
- C. Weight loss, increased energy.
- D. Better vision, faster reflexes.
Correct Answer: A
Rationale: Studies have linked Chernobyl radiation exposure to thyroid cancer, leukemia, and mental health impacts.
Mortality experience is taken into consideration when defining
- A. General fertility rate
- B. Total fertility rate
- C. Net reproduction rate
- D. Gross reproduction rate
Correct Answer: C
Rationale: Net Reproduction Rate (NRR) considers mortality experience, as it reflects the average number of daughters a woman would have if she survived through her reproductive years.
Precision stands for—
- A. Reliability
- B. accuracy
- C. consistency
- D. validity
Correct Answer: A
Rationale: Precision denotes the reliability and consistency of measurements.
Inductive research was purposed by
- A. aristotle
- B. Socrates
- C. plato
- D. none
Correct Answer: A
Rationale: Aristotle is credited with proposing inductive reasoning.