Exam Guide

Who Would Have a Positive Fecal Occult Blood Test

Health Assessment & Documentation · Question from the ATI PN Fundamentals 2023 Proctored Exam study set

Question: Which client should the nurse expect to have a positive fecal occult blood test?
A client who has ulcerative colitis

Correct answer: A client who has ulcerative colitis

Why this is the answer

Ulcerative colitis causes mucosal inflammation and bleeding in the colon, resulting in occult (or grossly visible) blood in the stool.

The bigger concept

Expected-finding items connect a diagnosis to its lab picture. Ulcerative colitis inflames and ulcerates the colonic mucosa, so bleeding — occult or visible — is part of the disease. Other causes of a positive FOBT include colorectal cancer, polyps, peptic ulcers, hemorrhoids, and NSAID gastritis. A positive screening result is followed by colonoscopy, and the PN/VN reports it to the RN and provider.

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