Nokea
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.
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The reference protein is
- A. Egg
- B. Milk
- C. Soybean
- D. Meat
Correct Answer: A
Rationale: Egg protein is considered the reference protein due to its high biological value.
Identify the type of study design described: Fifteen hundred adult men who worked for Lockheed Aircraft were initially examined in 1951 and were classified by diagnostic criteria for coronary artery disease. Every three years they have been reexamined for new cases of the disease; attack rates in different subgroups have been computed annually.
- A. Cohort study
- B. Case-control study
- C. Cross-sectional study
- D. Ecological study
Correct Answer: A
Rationale: This ongoing follow-up represents a cohort study monitoring disease incidence.
What does routine analysis of notifiable disease data at the state level include?
- A. Number of cases reported this week and during the previous 2-4 weeks.
- B. Number of cases reported this week and during comparable weeks of the previous 2-5 years.
- C. Simultaneous analysis by age, race, and sex of the patient.
- D. Analysis by county.
Correct Answer: D
Rationale: County-level analysis helps localize outbreaks or regional differences in disease burden.
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.
Inductive research was purposed by
- A. aristotle
- B. Socrates
- C. plato
- D. none
Correct Answer: A
Rationale: Aristotle is credited with proposing inductive reasoning.