1. What is the primary mode of transmission for the influenza virus?
- A.Vector-borne
- B.Airborne
- C.Contact
- D.Waterborne
Disease Detectives Practice Test — Medium Level
A free 18-question Disease Detectives practice test for Science Olympiad, written at regional and state level. Every question and answer choice is listed below — correct answers and scoring are revealed when you take the timed test.
18 questions27 min timedMedium levelAI-generated — verify answers against reliable sources
2. Which of the following is NOT a part of the epidemiological triangle?
- A.Agent
- B.Host
- C.Environment
- D.Symptoms
3. What term describes an increase in the number of cases of a disease above what is normally expected in a population?
- A.Endemic
- B.Epidemic
- C.Pandemic
- D.Outbreak
4. Which of the following diseases is caused by a bacterium?
- A.HIV/AIDS
- B.Influenza
- C.Tuberculosis
- D.Malaria
5. In epidemiology, what does the term 'incidence' refer to?
- A.Total cases in a population
- B.New cases over a specific time period
- C.The severity of a disease
- D.Deaths caused by a disease
6. What type of study design is best for identifying risk factors for a disease?
- A.Case-control study
- B.Cross-sectional study
- C.Cohort study
- D.Ecological study
7. Which of the following is a common vector for the transmission of Lyme disease?
- A.Mosquito
- B.Tick
- C.Flea
- D.Louse
8. What is the primary purpose of vaccination in public health?
- A.To treat diseases
- B.To prevent outbreaks
- C.To cure infections
- D.To diagnose conditions
9. Which of the following diseases is considered a zoonotic disease?
- A.Ebola
- B.Chickenpox
- C.Diabetes
- D.Asthma
10. What role do public health officials play during an outbreak investigation?
- A.Provide treatment
- B.Conduct surveillance
- C.Perform surgeries
- D.Prescribe medication
11. Define 'herd immunity' in the context of infectious diseases.
12. What is the significance of the R0 (R-naught) value in epidemiology?
13. List two common symptoms of COVID-19.
14. Explain the concept of 'contact tracing' in public health.
15. What is the main purpose of an epidemiological study?
- A.To treat patients
- B.To identify causes of diseases
- C.To conduct surgeries
- D.To manage health care facilities
16. In a case-control study, which group is compared to the group with the disease?
- A.Control group
- B.Treatment group
- C.Random group
- D.Affected group
17. Which pathogen is responsible for malaria?
- A.Bacteria
- B.Virus
- C.Parasite
- D.Fungi
18. What is the term for the spread of disease from animals to humans?
- A.Endemic
- B.Zoonosis
- C.Pandemic
- D.Epidemic