Nokea
Does notifiable disease surveillance focus on both morbidity and mortality?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Notifiable disease surveillance typically covers both morbidity and mortality related to the listed diseases.
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Health education on early diagnosis and treatment is
- A. primary prevention
- B. secondary prevention
- C. tertiary prevention
- D. primordial prevention
Correct Answer: B
Rationale: Secondary prevention involves early detection and intervention to halt or slow the progression of disease.
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.
Horizontal line drawn from 50% tick mark to plotted curve intersects at median
- A. Cumulative frequency curve
- B. Survival curve
- C. Both
- D. Neither
Correct Answer: A
Rationale: This feature describes cumulative frequency curves where the median is identified.
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.
Median age of old population is
- A. more than 30 years
- B. more than 40 years
- C. 50 years
- D. 60 years
Correct Answer: A
Rationale: Older populations typically include individuals above 30 years.