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In supervision the most appropriate word is
- A. Enforcement
- B. Reinforcement
- C. Suggestion
- D. Inspection
Correct Answer: C
Rationale: Supervision involves providing constructive suggestions and guidance.
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The denominator to calculate literacy rate is
- A. Population above 14 years
- B. Total population
- C. Population above 7 years of age
- D. Population above 10 years of age
Correct Answer: C
Rationale: Literacy rate is calculated using the population above 7 years of age, as this is the standard age group considered for educational attainment.
Define the following terms: Intervention study
- A. A study where researchers observe natural behaviors.
- B. A study where researchers manipulate variables to assess impact.
- C. A study analyzing past records.
- D. A study based solely on surveys.
Correct Answer: B
Rationale: Intervention studies involve deliberate manipulation of variables by researchers.
For 95% confidence limit truth is
- A. Reduces 95% confidence of values
- B. 96 of standard error of mean
- C. 56 of standard error of mean
- D. 5% of standard error of mean
Correct Answer: B
Rationale: For 95% confidence limits, approximately 1.96 times the standard error is used.
Discuss the possible health effects that have been associated with exposure to electric and magnetic fields and ionizing radiation.
- A. EMF: unclear evidence; Ionizing: cancer risk.
- B. EMF: immediate death; Ionizing: no known risks.
- C. EMF: improved sleep; Ionizing: enhanced mood.
- D. EMF: faster metabolism; Ionizing: increased energy.
Correct Answer: A
Rationale: Evidence linking EMFs to health effects is inconclusive, while ionizing radiation is a well-established carcinogen.
Describe the significance for epidemiology of the identification of specific agents of disease.
- A. It allows for targeted treatments.
- B. It proves that all diseases are infectious.
- C. It eliminates the need for surveillance.
- D. It focuses solely on chronic diseases.
Correct Answer: A
Rationale: Identifying specific agents enables effective prevention, control, and treatment strategies.