Nokea
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.
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Case-control studies allow the investigator to examine only one outcome at a time, but they permit examination of several different exposures at a time. Select a disease or other health outcome with which you are familiar and see how many potential exposures you can identify.
- A. Cancer
- B. Diabetes
- C. Heart disease
- D. Infectious diseases
Correct Answer: A
Rationale: For example, in cancer studies, multiple exposures such as smoking, diet, radiation, and genetics can be assessed simultaneously.
To what extent does epidemiology rely on medical disciplines for its content, and to what extent does it draw upon other disciplines?
- A. It relies entirely on medical disciplines.
- B. It relies entirely on non-medical disciplines.
- C. It integrates medical disciplines with social sciences and biostatistics.
- D. It does not rely on any specific discipline.
Correct Answer: C
Rationale: Epidemiology is interdisciplinary, combining knowledge from microbiology, biostatistics, social sciences, and clinical medicine.
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.
The hallmark feature of an analytic epidemiologic study is:
- A. Use of an appropriate comparison group
- B. Laboratory confirmation of the diagnosis
- C. Publication in a peer-reviewed journal
- D. Statistical analysis using logistic regression
Correct Answer: A
Rationale: The key feature of analytic studies is the use of a comparison group to assess associations.
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.