27. Which of the following statements is accurate regarding prostate-specific antigen (PSA)?

  1. PSA screening for prostate cancer is controversial.
  2. All men with prostate cancer secrete PSA.
  3. PSA is the primary screening method for prostate cancer.
  4. A PSA greater than 2 ng/ml is the threshold for performing biopsies to diagnose prostate cancer.

28. The most widely used screening programs have been for the early detection of:

  1. Breast and cervical cancer
  2. Breast and colon cancer
  3. Colon and cervical cancer
  4. Breast and prostate cancer

29. Nurses must communicate to patients about the accuracy of screening tests. Which of the following attributes is correct?

  1. The sensitivity of a screening test is its ability to detect those ...

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