In reviewing a study that considered the sensitivity of a particular screening test for HIV, the nurse found 21 true positives, 853 true negatives, 3 false positives, and 5 false negatives. What is the sensitivity of this test as a percentage?

City A has a population of people who are exposed to HIV, whereas City B has a population of people who are considered nonexposed to HIV. There were 3,267 new HIV cases in a given year for City A, with a population (exposed) of 10,000,000. There were only 5 new HIV cases in the same year for City B, with a population (nonexposed) of 150,000. Which is the attributable risk of HIV occurring in City A in terms of cases per 100,000 population?  

In the context of infectious diseases, which factor is characteristic of endemic situations?

In the context of nursing and behavior change, which stage of the Transtheoretical Model (TTM) is characterized by an individual’s readiness to take action within the next month?

The nurse is planning several primary prevention activities for the local community. Which activities would the nurse prioritize to meet this goal? (Select all that apply.)

According to the Health Belief Model (HBM), which factor is NOT one of the core components influencing an individual’s decision to engage in health-promoting behavior?

A nurse is concerned there has been an increase in the number of patients suffering from COPD in the county over the past year when compared with last year. Which rate would the nurse use to describe the number of people with the disease during that time period?

A 47-year-old client and three members of his neighborhood have had their homes robbed and belongings scattered. The client contacts the police and, with their assistance, develops a neighborhood watch. The watch is organized, and 24 families have been recruited to participate. The watch will be active throughout vacation months and as needed. Which model will this organization be most utilizing in this process?

The nurse works at community clinic that provides various types of health screenings for members of the community. One day, the nurse provides tuberculin tests for a group of new hospital employees. Which type of screening procedure is the nurse prioritizing for this event?

The nurse is conducting research on the relative risk of acquiring lung cancer as a result of being exposed to secondhand smoke. The nurse is studying two different groups. Group A includes 400 adults who do not smoke but are exposed to secondhand smoke in their home on a daily basis. Group B includes 400 adults who do not smoke and are not exposed to secondhand smoke in their home. Over the course of 10 years, 20 subjects in Group A are diagnosed with lung cancer, whereas only 2 subjects in Group B are diagnosed with lung cancer. Which is the relative risk ratio that would result from this study?