A Nurse Is Obtaining a Blood Specimen from a Patient

A nurse is obtaining a blood specimen from a patient for testing for carcinoembryonic antigen (CEA) level.This screening test is useful for which of the following purposes? Select all that apply.

A) Screening for gastrointestinal cancer
B) Screening for lung cancer
C) Monitoring response to treatment of breast cancer
D) Determining stage of colorectal cancer
E) Testing for recurrence or metastasis in liver carcinoma

Correct Answer:

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