Nokea
Describe the overall trends reflected in the chart.
- A. Cyclical increases followed by declines
- B. Steady increase over time
- C. Steady decline over time
- D. Random fluctuations with no pattern
Correct Answer: A
Rationale: Pertussis exhibits cyclical patterns due to waning immunity and vaccination coverage.
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Denominator of prenatal mortality is
- A. Number of live births
- B. Number of deliveries (live and still births)
- C. Live births— still births
- D. Number of still births
Correct Answer: B
Rationale: Prenatal mortality includes both live and still births, making the total number of deliveries the appropriate denominator.
Acid rain due to
- A. SO2
- B. H2SO4
- C. HCL
- D. b. and c
Correct Answer: D
Rationale: Acid rain forms primarily from sulfur dioxide (SO2) and nitrogen oxides reacting with water vapor.
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.
Which of the following meats contains more cholesterol and triglycerides
- A. pork meat
- B. beef meat
- C. fish
- D. all
Correct Answer: A
Rationale: Pork meat generally contains higher levels of cholesterol and triglycerides compared to other meats.
First hospital in Nepal with thirty beded male and female section was established in
- A. 1882
- B. 1884
- C. 1886
- D. 1890
Correct Answer: A
Rationale: The first hospital in Nepal with separate male and female sections was established in 1882.