A 67-year-old woman comes to the physician for a health maintenance examination. Her brother and mother have a history o

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A 67-year-old woman comes to the physician for a health maintenance examination. Her brother and mother have a history of colon cancer. The physician recommends colonoscopy, but the patient says that she would prefer only for her stool to be tested for blood. The physician explains that testing the stool for occult blood is not appropriate in this case. The physician is most likely concerned about which of the following regarding this test?


A. Low sensitivity
B. Low specificity
C. Potential for a false-positive result
D. Uncertain negative predictive value Uncertain positive predictive value