Posted: April 25th, 2016

onducting a large scale screening study will likely have what effect on the incidence of disease in that community

1. Which of the following secondary prevention strategies is most likely to be beneficial for reducing primary hypertension? a) Dietary salt restiriction (b) Fish oil supplementation (c) Physical activity (d) Weight loss (e) None of the above.
2. Conducting a large scale screening study will likely have what effect on the incidence of disease in that community. a) Increase (b) Decrease (c) No effect (d) No way to determine the effect that the screening program will have.
3. A new blood test has been developed to screen for disease Z. Researchers establish 50 units as a cut point above which a test is considered positive and thereby indicative of disease. The test manufacturers determine that the test s sensitivity is unacceptably low. However, the manufacturers are not concerned with the speccificity and do not want the cost of the test to rise. How can they improve the sensitivity of the test? a) Test each person s blood twice (b) Lower the cut point below 50 units (c) Raise the cut point above 50 units (d) They cannot improve the test and should begin work developing a new test.