Used to examine the upper GI tract

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Multiple Choice

Used to examine the upper GI tract

Explanation:
The main concept is imaging the upper GI tract with a radiopaque contrast that you swallow. A barium swallow uses this contrast to outline the esophagus as it travels into the stomach, letting you see structural issues like strictures, rings, webs, or ulcers and assess swallowing and motility. This makes it the best choice for examining the upper GI tract. Barium enema examines the colon (lower GI). Angiography visualizes blood vessels, not the lumen of the GI tract. Amniocentesis is a prenatal procedure that samples amniotic fluid.

The main concept is imaging the upper GI tract with a radiopaque contrast that you swallow. A barium swallow uses this contrast to outline the esophagus as it travels into the stomach, letting you see structural issues like strictures, rings, webs, or ulcers and assess swallowing and motility. This makes it the best choice for examining the upper GI tract.

Barium enema examines the colon (lower GI). Angiography visualizes blood vessels, not the lumen of the GI tract. Amniocentesis is a prenatal procedure that samples amniotic fluid.

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