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.
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Estimate how likely it would be for a similar epidemic of plague to develop during the current decade.
- A. Unlikely due to modern sanitation and antibiotics.
- B. Likely due to increased travel.
- C. Likely due to climate change.
- D. Unlikely due to genetic immunity.
Correct Answer: A
Rationale: Modern healthcare, sanitation, and antibiotics significantly reduce the likelihood of a plague epidemic.
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.
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.
What health effects have been studied in relation to this event?
- A. Thyroid cancer, leukemia, psychological trauma.
- B. Improved immune function, enhanced cognition.
- C. Weight loss, increased energy.
- D. Better vision, faster reflexes.
Correct Answer: A
Rationale: Studies have linked Chernobyl radiation exposure to thyroid cancer, leukemia, and mental health impacts.
UNFPA established in
- A. 1969
- B. 1954
- C. 1949
- D. 1974
Correct Answer: A
Rationale: The United Nations Population Fund (UNFPA) was established in 1969.