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When is initiating surveillance for a new public health problem justified?
- A. If it is a communicable disease with a high case-fatality rate.
- B. If the problem is new and systematically collected data are needed to characterize the disease.
- C. If a program at CDC has recommended its addition to better understand national trends and patterns.
- D. To guide, monitor, and evaluate programs to prevent or control the problem.
Correct Answer: D
Rationale: Surveillance is essential to guide and evaluate prevention and control strategies.
You may also like to solve these questions
Establishment of DDA in
- A. 1979
- B. 1989
- C. 1979
- D. 1986
Correct Answer: A
Rationale: The Department of Drug Administration (DDA) was established in 1979.
Which antibody is at the higher concentration at colostrums?
- A. IgG
- B. IgM
- C. IgA
- D. IgE
Correct Answer: C
Rationale: IgA is the predominant antibody found in colostrum, providing passive immunity to newborns.
Which one are two dimensional diagrams?
- A. Bar diagrams
- B. Cubes
- C. Circles
- D. None of them
Correct Answer: A
Rationale: Bar diagrams represent two-dimensional data.
What is meant by the term TTHM, and why is it relevant to water quality?
- A. Trihalomethanes formed during chlorination; potential carcinogens.
- B. Toxic trace heavy metals; cause immediate poisoning.
- C. Total thermal heat management; regulates temperature.
- D. Temporary total hardness measure; affects taste.
Correct Answer: A
Rationale: TTHMs are disinfection byproducts linked to cancer risks, making them critical for water quality monitoring.
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.