Nokea
What methodologic difficulties exist with respect to investigations of the health effects of these forms of radiation?
- A. Difficulty measuring exposure levels accurately.
- B. Lack of available funding for research.
- C. Public resistance to participation in studies.
- D. Overabundance of conclusive evidence.
Correct Answer: A
Rationale: Accurately quantifying exposure to EMFs and ionizing radiation poses significant challenges due to variability and complexity.
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Vitiate value which repeats maximum number of times is known as:
- A. Mean
- B. Median
- C. Mode
- D. Average
Correct Answer: C
Rationale: The mode is the value that appears most frequently in a dataset.
Milk secretion in breast of mother is influenced by mother's
- A. Nutritional status states
- B. Physiological state
- C. Hormonal state
- D. All of the above
Correct Answer: D
Rationale: Milk secretion is influenced by a combination of nutritional, physiological, and hormonal factors.
Does notifiable disease surveillance focus on both morbidity and mortality?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Notifiable disease surveillance typically covers both morbidity and mortality related to the listed diseases.
Which of the following data sources are best able to provide numerator data for the calculation of incidence of death by gunshot?
- A. Hospital discharge survey
- B. Autopsy or coroners' records
- C. National Health Survey
- D. Disease registries
Correct Answer: B
Rationale: Autopsy or coroner's records provide direct evidence of gunshot-related fatalities, essential for calculating incidence.
When analyzing surveillance data by age, which age groups are preferred?
- A. 1-year age groups
- B. 5-year age groups
- C. 10-year age groups
- D. Depends on the disease
Correct Answer: D
Rationale: The choice of age grouping depends on the disease being studied and the population structure.