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B1: Epidemiology End-of-Unit Test

Total Marks: 30 (MCQ: 20 marks, Fill-in-the-blank: 10 marks)

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Section A – Multiple Choice Questions (20 marks)

Choose the best answer for each question. Each question is worth 1 mark.

1. Epidemiology is best defined as:

2. Which of the following best describes incidence?

3. Which term refers to the total number of existing cases of a disease in a population at a specific time?

4. A disease that is constantly present at a low level in a particular area is called:

5. A sudden increase in the number of cases of a disease above what is normally expected in an area is called:

6. A disease that spreads across many countries or continents is known as a:

7. Which term describes illness or disease in a population (regardless of whether it leads to death)?

8. A non-living object such as a door handle that can transmit infection is called a:

9. A mosquito transmitting malaria from one person to another is an example of:

10. Which of the following is an example of direct transmission?

11. Which mode of transmission involves large droplets that travel a short distance when a person coughs or sneezes?

12. The place where a pathogen normally lives and multiplies is called its:

13. A study that follows a group of people over time to see who develops a certain disease is called a:

14. A study that starts with people who already have a disease and compares them to people who do not is called a:

15. Which type of study involves randomly assigning participants to receive a new treatment or a control?

16. The basic reproduction number (R₀) represents:

17. When a high proportion of a population is immune to a disease, providing indirect protection to others, this is called:

18. Which of the following is an example of primary prevention?

19. The ongoing collection, analysis, and interpretation of health data used for planning and decision-making is called:

20. Which term refers specifically to deaths in a population due to disease?

Section B – Fill in the Blank (10 marks)

Write the correct term in each blank. Each question is worth 1 mark.

21. The number of new cases of a disease in a population during a specific time period is called __________.

22. A disease that is constantly present at a relatively low level in a population is described as __________.

23. An unusually large number of cases of a disease occurring in a short time in a given area is called an __________.

24. A disease that occurs worldwide, affecting many countries or continents, is known as a __________.

25. Diseases that can be passed from one person to another are called __________ diseases.

26. Non-living objects that can carry infectious organisms from one person to another are called __________.

27. An organism, such as a mosquito or tick, that transmits a pathogen from one host to another is called a __________.

28. The natural habitat where a pathogen normally lives and multiplies is called its __________.

29. Increasing vaccination coverage in a population helps to build __________ immunity.

30. A study that starts with people who have a disease and compares their past exposures to those without the disease is called a __________-control study.