Nokea
National vitamin A programme was initiated in
- A. 1981
- B. 1992
- C. 1993
- D. 1994
Correct Answer: A
Rationale: The National Vitamin A Programme began in 1981.
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Level of resistance of a community or group of people to a particular disease is
- A. Passive immunity
- B. Active immunity
- C. Herd immunity
- D. None of them
Correct Answer: C
Rationale: Herd immunity refers to the resistance of a group to the spread of a contagious disease due to a significant proportion being immune.
What do vital statistics provide important sources of data on?
- A. Morbidity.
- B. Mortality.
- C. Health-related behaviors.
- D. Injury and disability.
Correct Answer: D
Rationale: Vital statistics also track injuries and disabilities, contributing to a comprehensive health overview.
Istanbul declaration 1996 habitat II is related to:
- A. RH
- B. Health promotion
- C. PHC
- D. Population development
Correct Answer: D
Rationale: The Istanbul Declaration addressed issues related to population and sustainable development.
Why is the availability of a reliable and safe water source a concern to officials in the United States and the rest of the world?
- A. Waterborne diseases, scarcity issues.
- B. Abundant freshwater reserves globally.
- C. Low demand for clean water.
- D. Complete reliance on desalination.
Correct Answer: A
Rationale: Access to safe water prevents waterborne diseases and addresses growing scarcity concerns worldwide.
The LD50 of highly toxic substance is.... mg/ kg.
- A. less than 1
- B. Jan-50
- C. 51-500
- D. 50-500
Correct Answer: A
Rationale: Highly toxic substances have an LD50 value of less than 1 mg/kg, indicating extreme toxicity.