Match each term with its definition.
-Using a combination of crystals with a small amount of water to add air to the stomach during a barium enema
A)dosimeter
B)lead shield
C)roentgen rays
D)therapeutic radiation
E)contrast agent
F)oral cholecystogram
G)sonography
H)upper GI series
I)lower GI series
J)double contrast

Question

Quizplus · Accepted Answer

Double contrast involves using a combination of a radiopaque substance (like barium) and a gas (introduced by crystals that release gas when they interact with water) to improve the visibility of the internal structure of an organ during an imaging study, such as a barium enema for the lower GI series.

Match Each Term with Its Definition