Nokea
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.
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Discuss the possible long-term and short-term effects that farm workers may experience when they are exposed to organophosphate pesticides.
- A. Short-term: nausea, headaches; Long-term: neurological damage.
- B. Short-term: increased energy; Long-term: improved cognition.
- C. Short-term: weight gain; Long-term: enhanced immune function.
- D. Short-term: improved vision; Long-term: heightened sensory perception.
Correct Answer: A
Rationale: Organophosphates cause acute cholinergic symptoms and chronic neurological damage due to enzyme inhibition.
Comparing numbers and rates of illness in a community, rates are preferred for:
- A. Conducting surveillance for communicable diseases
- B. Deciding how many doses of immune globulin are needed
- C. Estimating subgroups at highest risk
- D. Telling physicians which strain of influenza is most prevalent
Correct Answer: C
Rationale: Rates allow comparisons across populations and help identify high-risk groups.
Which of the following are considered measures of spread?
- A. Interquartile range
- B. Percentile
- C. Range
- D. Standard deviation
Correct Answer: A
Rationale: The interquartile range is a robust measure of variability.
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.
Which shape of a population pyramid is most consistent with a young population?
- A. Tall, narrow rectangle
- B. Short, wide rectangle
- C. Triangle base down
- D. Triangle base up
Correct Answer: C
Rationale: A triangle base down reflects a high proportion of young individuals.