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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.
You may also like to solve these questions
In the epidemiological terminology human host is referred to as
- A. Soil
- B. Seed
- C. Extrinsic factor
- D. none of them
Correct Answer: A
Rationale: In epidemiology, 'soil' refers to the environment or host where the pathogen (seed) grows.
Demographic gap means
- A. Differences in sex ratio
- B. Differences between age-specific birth and death rates
- C. Differences between birth and death rates
- D. Differences in child and women ratio
Correct Answer: C
Rationale: Demographic gap refers to the difference between birth and death rates in a population, indicating population growth or decline.
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.
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.
More CO2 is generated from
- A. fossils fuels
- B. kitchens(burning firewood)
- C. industries
- D. all
Correct Answer: D
Rationale: All listed sources significantly contribute to CO2 emissions.