Nokea
The nature of common source epidemic:
- A. scattered effect
- B. explosive
- C. more prevalence rate
- D. all of above
Correct Answer: B
Rationale: Common-source epidemics are characterized by a rapid increase in cases, hence explosive.
You may also like to solve these questions
What is meant by the term TTHM, and why is it relevant to water quality?
- A. Trihalomethanes formed during chlorination; potential carcinogens.
- B. Toxic trace heavy metals; cause immediate poisoning.
- C. Total thermal heat management; regulates temperature.
- D. Temporary total hardness measure; affects taste.
Correct Answer: A
Rationale: TTHMs are disinfection byproducts linked to cancer risks, making them critical for water quality monitoring.
In Pneumoconiosis all are included except
- A. Asbestosis
- B. Silicosis
- C. Anthracosis
- D. Bagasosis
Correct Answer: D
Rationale: Bagasosis is not a type of pneumoconiosis; it is a respiratory condition caused by exposure to sugarcane dust.
Establishment of DDA in
- A. 1979
- B. 1989
- C. 1979
- D. 1986
Correct Answer: A
Rationale: The Department of Drug Administration (DDA) was established in 1979.
Describe the significance for epidemiology of the identification of specific agents of disease.
- A. It allows for targeted treatments.
- B. It proves that all diseases are infectious.
- C. It eliminates the need for surveillance.
- D. It focuses solely on chronic diseases.
Correct Answer: A
Rationale: Identifying specific agents enables effective prevention, control, and treatment strategies.
What is the prevalence of disease during July?
- A. 3 / 700
- B. 4 / 700
- C. 5 / 700
- D. 8 / 700
Correct Answer: C
Rationale: Prevalence includes all cases present at a given time.