Questions And Answers
A Colon Cancer Screening Study Is Being Conducted In Burkeshire, England.
Individuals 50 To 75 Years Old Will Be Screened With The Hemoccult Test. In This
Test, A Stool Sample Is Tested For The Presence Of Blood. The Hemoccult Test Has
A Sensitivity Of 70% And A Specificity Of 75%. If Burkeshire Has A Prevalence Of
12/1,000 For Colon Cancer, What Is The Computed Positive Predictive Value Of
The Hemoccult Test? - Correct Answer 3.3%
Primary Prevention - Correct Answer Immunization, Reducing Exposure To A Risk
Factor
Secondary Prevention - Correct Answer Screening For Breast Cancer
Tertiary Prevention - Correct Answer Rehabilitation After A Surgical Procedure
A Physical Examination Was Used To Screen For Breast Cancer In 2,500 Women
With Biopsy-Proven Adenocarcinoma Of The Breast And In 5,000 Age- And Race-
Matched Control Women. Results Of The Physical Examination Were Positive,
Meaning That A Mass Was Palpated In 1,800 Cases And In 800 Control Women,
All Of Whom Showed No Evidence Of Cancer At Biopsy. The Sensitivity Of The
Physical Examination Was
Percent. - Correct Answer 72%
A Program Manager From An International Health Funding Agency Wants To
Identify Regions That Would Benefit From An Intervention To Reduce Premature
Disability.
The Program Manager Asks You To Develop A Proposal Using An Index That
Would Assist In Making This Decision. Which Of The Following Would Best Serve
, This