Nokea
For the cruise ship scenario, if you suspected ice as a transmission source, how might you display 'place'?
- A. Spot map by assigned dinner seating location
- B. Spot map by cabin
- C. Shaded map of United States by state of residence
- D. Shaded map by whether passenger consumed ship's ice or not
Correct Answer: D
Rationale: Mapping by exposure to ice helps identify potential sources of infection.
You may also like to solve these questions
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.
The interquartile range covers what proportion of a distribution?
- A. 25%
- B. 50%
- C. 75%
- D. 100%
Correct Answer: B
Rationale: The IQR spans the middle 50% of the data.
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.
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.
Define the following terms: latency
- A. The time between exposure to a hazard and the onset of symptoms.
- B. The strength of a chemical bond.
- C. The period during which a disease is contagious.
- D. The duration of a clinical trial.
Correct Answer: A
Rationale: Latency refers to the delay between exposure to a harmful agent and the manifestation of health effects.