A Series of Radiographic Images Taken of the Pharynx,esophagus,stomach,and Duodenum

question 49

Multiple Choice

A series of radiographic images taken of the pharynx,esophagus,stomach,and duodenum after the contrast agent barium has been administered orally is a(n)

• A)barium enema.
• B)endoscopic ultrasound.
• C)upper GI series.
• D)Helicobacter pylori antibodies test.

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Definitions:

Catalytic Hydrogenation

A chemical reaction that involves the addition of hydrogen to a compound, typically in the presence of a catalyst.

Unsaturated Fatty Acid

Fatty acids with one or more double bonds in their hydrocarbon chain, essential in the human diet.

Adipic Acid

An industrially significant dicarboxylic acid, used primarily in the production of nylon and other polymers.

Reagent

A substance or compound added to a system to cause a chemical reaction or test if a reaction occurs.