An abstract of the journal article doesn't contain
- A. Methodologies
- B. Result
- C. Objectives
- D. Ethical consideration
Correct Answer: D
Rationale: Abstracts typically summarize the key points of an article, including objectives, methods, results, and conclusions, but do not delve into ethical considerations.
You may also like to solve these questions
Have similar events occurred in the United States?
- A. Yes, Three Mile Island (1979).
- B. No, such events are impossible.
- C. Yes, every decade since 1950.
- D. No, nuclear plants are entirely safe.
Correct Answer: A
Rationale: The partial meltdown at Three Mile Island in 1979 is a notable example of a nuclear accident in the U.S.
How might changes in legislation to limit smoking in public places be considered a natural experiment?
- A. It provides real-world data on health impacts.
- B. It eliminates the need for clinical trials.
- C. It focuses solely on economic outcomes.
- D. It proves that smoking is harmless.
Correct Answer: A
Rationale: Legislative changes create natural experiments by observing health outcomes before and after implementation.
What are some possible hazards associated with the organochloride pesticide DDT?
- A. Bioaccumulation and reproductive toxicity.
- B. Immediate skin irritation and respiratory distress.
- C. Increased crop yield and soil fertility.
- D. Improved water quality and biodiversity.
Correct Answer: A
Rationale: DDT bioaccumulates in ecosystems and is linked to reproductive and developmental toxicity in wildlife and humans.
clustrom protein coagulates due to:
- A. albumin
- B. globulin
- C. fibrinogen
- D. prothrombin
Correct Answer: C
Rationale: Fibrinogen is essential for blood clotting and coagulation processes.
Describe the significance for epidemiology of associating the environment with disease causality.
- A. It helps identify environmental risk factors.
- B. It proves that diseases are not contagious.
- C. It eliminates the need for clinical trials.
- D. It supports genetic research.
Correct Answer: A
Rationale: Linking the environment to disease causality allows for targeted public health interventions to reduce exposure to harmful factors.