A random-digit dialed survey conducted in the City of Long Beach, California, reported that a greater proportion of nonsmokers endorsed a ban on smoking in alcohol-serving establishments than did smokers. What type of study design was this?
- A. Cross-sectional study
- B. Case-control study
- C. Ecologic study
- D. Cohort study
Correct Answer: A
Rationale: This is a cross-sectional study as it captures attitudes at one point in time without follow-up.
You may also like to solve these questions
M.S in Public Health in IOM was started in
- A. 1991
- B. 1988
- C. 1993
- D. 1992
Correct Answer: A
Rationale: The MS in Public Health program at IOM began in 1991.
Among the routine vaccine of EPI which one is most sensitive to heat
- A. TT
- B. Measles
- C. Polio
- D. DPT
Correct Answer: C
Rationale: The oral polio vaccine (OPV) is highly sensitive to heat, requiring careful storage in a cold chain.
A case definition during an outbreak investigation should specify:
- A. Clinical features
- B. Time
- C. Place
- D. Person
Correct Answer: A
Rationale: A good case definition includes clinical criteria and details on time, place, and person to ensure consistent identification of cases.
Clinical case of JE was first reported in
- A. 1976
- B. 1978
- C. 1980
- D. 1982
Correct Answer: A
Rationale: The first clinical case of Japanese Encephalitis (JE) in Nepal was reported in 1976.
Identify some infectious diseases that could reach pandemic occurrence during the 21st century.
- A. Influenza, Ebola, Zika.
- B. Diabetes, hypertension.
- C. Osteoporosis, arthritis.
- D. Cancer, Alzheimer's.
Correct Answer: A
Rationale: Emerging infectious diseases with high transmissibility, such as influenza and Ebola, pose significant pandemic risks.
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