When testing stool for occult blood,the nurse is aware that a false-positive result may occur with:

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When testing for occult blood,a false-positive finding may occur if the person has ingested significant amounts of red meat within 3 days of the test.Absent bile pigment causes the stools to be gray or tan in color.Increased fat content causes the stool to be pale,yellow,and greasy.Increased ingestion of iron medication causes the stool to be black in color.

When Testing Stool for Occult Blood,the Nurse Is Aware That