The nurse implemented an immunization program for influenza for member

QUESTION

The nurse implemented an immunization program for influenza for members of a parish. Following the implementation of the program, the nurse gathered data on the incidence of flu. What is this an example of?

1. A retrospective study
2. A controlled study
3. A prospective study
4. An experimental study

ANSWER:

Correct Answer: 3

A prospective study starts with an event and then monitors the outcomes. A retrospective study starts with an event and then looks at past records to determine the possible causes or past rates of occurrence. A controlled study is not covered in the text. An experimental study is often conducted to determine the effectiveness of a particular therapeutic modality.