Question 7 (part 2) · LEK · Diagnostic sensitivity and specificity
90% sensitivity and 80% specificity of a diagnostic test in screening tests means that:
- A. 10% of healthy people will get a negative test result and 20% of sick people will get a positive test result
- B. 10% of sick people will get a negative test result and 20% of healthy people will get a positive test result.
- C. 90% of sick people will get a negative test result and 80% of healthy people will get a positive test result.
- D. 90% of healthy people will get a negative test result and 80% of sick people will get a positive test result.
- E. 10% of people will have in-depth diagnostics due to the positive test result and 20% will be directed to reskrining.
Hint
Sensitivity is measured among the sick and specificity among the healthy; the complement of each gives the error rate in that group.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Public health
- Negative measures of the condition of health of the population may include:
- In epidemiological analytical studies, a researcher can use the retrospective method. It can be said that it:
- According to the Act of 5 December 2008 on the Prevention and Combating of Infections and Infectious Diseases in Humans, compulsory treatment…
- The DALY metric - as an important criterion in health policy used to determine the condition of health of the society is:
- Phase II prevention activities include:
- ”The process enabling people to control their own health and improve it ” – is the definition contained in the Ottawa Charter regarding: