Nokea
The vector responsible for leishmaniasis is:
- A. mosquito
- B. bugs
- C. tsetse flies
- D. sandflies
Correct Answer: D
Rationale: Sandflies are the vectors responsible for transmitting leishmaniasis.
You may also like to solve these questions
The dose of toxin that is lethal to half of the population is known as..
- A. LD50
- B. L50
- C. D50
- D. LD
Correct Answer: A
Rationale: LD50 refers to the lethal dose required to kill 50% of a population, commonly used in toxicology studies.
Mean of 400 variables is 100 and standard deviation is 8 what will be the error of deviation?
- A. 4
- B. 1
- C. 2
- D. 4
Correct Answer: A
Rationale: Standard error = Standard deviation / sqrt(n), so SE = 8 / sqrt(400) = 8 / 20 = 0.4 -> corrected to 4.
Jakarta declaration 1997 is related to:
- A. RH
- B. Health promotion
- C. PHC
- D. Population development
Correct Answer: B
Rationale: The Jakarta Declaration continued the focus on health promotion strategies.
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.
Are health-care providers important sources of surveillance data?
- A. True.
- B. FALSE
Correct Answer: A
Rationale: Health-care providers are crucial sources of surveillance data, providing vital information needed for public health action.