2. In the definition of epidemiology, “determinants” generally include:

3. Epidemiology would include which of the following activities?

4. The epidemiologic triad of disease causation refers to (Choose one best answer):

5. A reservoir of an infectious agent can be:

6. Direct transmission includes which of the following?

7. Disease control measures are generally directed at which of the following?

8. A propagated epidemic is usually the result of what type of exposure?

9. An epidemic that becomes widespread and even global is:

10. Diseases that are always present constantly in a community are

11. A disease vector is:

12. A surveillance system that doesn’t result in informed policy decisions is a waste of money

13. Results of surveillance should be distributed to:

14. A “fomite” is:

15. The incubation period is the interval between:

16. The epidemiologic triad includes the following EXCEPT:

17. The portal of entry and exit for most infectious diseases, including HIV, is the same:

18. Pathogenicity is the:

19. Comparing a physician’s clinical impression (as a screening test) to diagnose strep throat versus throat culture (as a confirmatory test) revealed that of 149 patients with sore throat, 37 patients had positive throat cultures. Of these, 27 were diagnosed by the doctor’s impression as having strep throat. 112 patients had negative cultures, and the doctors diagnosed 35 of these as having strep throat. The specificity of the doctor’s clinical judgment was:

20. The mode of transport of an infectious agent through the environment to a susceptible host is called:

21. Validity of the screening test can be defined as:

22. The following table gives the results of a screening test for diabetes compared to a confirmatory evaluation (oral glucose tolerance test). The sensitivity of this screening test for diagnosing diabetes is

23. A comparison of clinically diagnosed versus autopsy-confirmed gastric and peptic ulcers was performed on 100,000 consecutive deceased patients in several large hospitals. From these data, the sensitivity of clinical diagnosis was:

24. Reliability of the screening test can be defined as:

25. Epidemic refers to:

26. A screening test for breast cancer was administered to 400 women with biopsy-proven breast cancer and to 400 women without breast cancer. The test results were positive for 100 of the proven cases and 50 of the normal women. What is the sensitivity of this screening test?

27. The focus of community medicine is on:

28. The level of prevention that takes place during the early phases of pathogenesis and includes activities that limit the progression of disease is:

29. Choose the correct answer about Disease Control:

30. Choose the correct answer about Disease Eradication:

31. Choose the correct answer about Disease Extinction:

32. A graph showing the relationship between time and number of cases is:

33. Descriptive epidemiology includes all EXCEPT:

34. Distribution of cases by time in a disease outbreak is called:

35. Indirect transmission of disease includes which of the following:

36. The interval between entry of an infectious agent into a host and the onset of symptoms is called:

37. Which is a critical variable in investigating an outbreak?

38. Carrier of the disease:

39. Viral live attenuated vaccines include the following EXCEPT:

40. The following control measures are taken towards cases EXCEPT:

41. Period of communicability of measles is:

42. These are measures of health promotion (general protection) EXCEPT:

43. All are true about point source epidemic EXCEPT:

44. Surveillance cycle means:

45. Determinants of health include the following factors:

46. Which of these could be a reservoir?

47. The most essential component of an effective Infection Surveillance Program is:

48. Your Infection Prevention Surveillance Program is only as good as your data:

49. Which of these activities are active surveillance?

50. An outbreak is an increase in the number of cases of a particular disease greater than is expected for a given time and place: