Swallowed air can be used as a negative contrast medium during an upper GI series.

Name: Swallowed air can be used as a negative contrast medium during an upper GI series.
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Question

Quizplus · Accepted Answer

Swallowed air can provide negative contrast during an upper GI series as it can help distinguish air-filled structures such as the stomach and intestines from surrounding tissues. It is commonly used in combination with a positive contrast medium, such as barium or iodine, to improve imaging quality.

Swallowed Air Can Be Used as a Negative Contrast Medium