Nokea
What is the RR of dying of coronary thrombosis for smokers versus nonsmokers?
- A. 1.2
- B. 1.3
- C. 1.4
- D. 1.5
Correct Answer: C
Rationale: RR = (Death rate among smokers / Death rate among nonsmokers) = 599 / 422 ≈ 1.42. Smokers have a 1.42 times higher risk of dying from coronary thrombosis compared to nonsmokers.
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Preservative of sewage is called-
- A. chloroform
- B. haloform
- C. formalin
- D. all
Correct Answer: C
Rationale: Formalin is commonly used as a preservative for sewage samples.
Milk secretion in breast of mother is influenced by mother's
- A. Nutritional status states
- B. Physiological state
- C. Hormonal state
- D. All of the above
Correct Answer: D
Rationale: Milk secretion is influenced by a combination of nutritional, physiological, and hormonal factors.
The measure of central location most commonly used with the interquartile range is the:
- A. Arithmetic mean
- B. Geometric mean
- C. Median
- D. Midrange
Correct Answer: C
Rationale: The median is typically paired with the IQR to summarize data.
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.
On which day and at which meal was exposure most likely in the norovirus outbreak among tourists?
- A. April 19 Dinner
- B. April 20 Breakfast
- C. April 20 Lunch
- D. April 20 Dinner
Correct Answer: D
Rationale: Given the incubation period, dinner on April 20 aligns with symptom onset timing.