Nokea
Why does the line for domestic animals diverge from that of wild animals?
- A. Domestic animals received more vaccinations.
- B. Wild animals are less exposed to humans.
- C. Climate change affected wild animals.
- D. Urbanization reduced domestic animal exposure.
Correct Answer: A
Rationale: Vaccination campaigns targeted domestic animals, reducing their rabies incidence compared to wild animals.
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Precision stands for—
- A. Reliability
- B. accuracy
- C. consistency
- D. validity
Correct Answer: A
Rationale: Precision denotes the reliability and consistency of measurements.
A baby is called exclusively breast feed if he/she is breast fed for:
- A. 2-3 month
- B. 3-4 months
- C. 3-5 months
- D. 7-8 months
Correct Answer: B
Rationale: Exclusive breastfeeding refers to feeding only breast milk for the first 6 months of life, typically 3-4 months in the context of this question.
Name the four major classes of pesticides.
- A. Organochlorines, organophosphates, carbamates, pyrethroids.
- B. Antibiotics, antifungals, herbicides, rodenticides.
- C. Insecticides, fungicides, herbicides, acaricides.
- D. Biological agents, synthetic agents, natural agents, chemical agents.
Correct Answer: A
Rationale: The four major classes of pesticides are organochlorines, organophosphates, carbamates, and pyrethroids.
In epidemiology, the measure of central location generally preferred for summarizing skewed data such as incubation periods is the:
- A. Mean
- B. Median
- C. Midrange
- D. Mode
Correct Answer: B
Rationale: The median is less affected by outliers and skewed data.
Married-unmarried, child-adult, male-female is
- A. Ordinal scale
- B. Interval scale
- C. Ratio scale
- D. Nominal scale
Correct Answer: D
Rationale: These categories represent nominal scales as they classify without any inherent order.