Why Must Gas Be Removed from the Colon Before a Lower

question 16

Multiple Choice

Why must gas be removed from the colon before a lower GI radiographic study?

• A) It shows up as confusing shadows on the radiograph.
• B) It obscures the image of the colon.
• C) It makes the examination uncomfortable for the patient.
• D) It results in blurring of the radiograph.

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