According to guideline recommended by WHO for quality of water E coli in distribution system per 100 ml of water is
- B. 50
- C. 100
- D. 5
Correct Answer: A
Rationale: WHO guidelines specify that no E. coli should be present in drinking water.
You may also like to solve these questions
Qualitative data is not generated by
- A. Focus group discussion
- B. Observation
- C. Questionnaire
- D. Interviews
Correct Answer: C
Rationale: Qualitative data is generally not collected through structured questionnaires, which are more suited for quantitative data.
Should the case definition for surveillance match the clinical case definition?
- A. True.
- B. FALSE
Correct Answer: B
Rationale: Surveillance and clinical case definitions may differ because they serve different purposes; clinical definitions focus on treatment, while surveillance definitions optimize detection.
One of the main functions of DPHO is
- A. To increase community participation in health sector
- B. To manage the Health post in districts
- C. Health promotion and hospital management
- D. Supervision and control of sub-health post
Correct Answer: D
Rationale: DPHO primarily oversees and supervises sub-health posts.
Define the following terms: Controlled clinical trial
- A. A study where all participants receive the same treatment.
- B. A trial comparing an intervention against a control group.
- C. A trial without any specific hypotheses.
- D. A trial conducted without ethical approval.
Correct Answer: B
Rationale: Controlled clinical trials compare interventions to a control to establish causality.
The truth about normal distribution curve is all except
- A. Mean median and mode of all confidence
- B. Standard deviation is one
- C. Mean of the curve is hundred
- D. The total area of the curve is one
Correct Answer: C
Rationale: The mean of a standard normal curve is 0, not 100.