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SkillsUSA Medical Terminology Practice Test

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Which term is used for X-ray imaging?
Correct Answer:
Radi/o
Explanation:
The concept here is the root that signals X-ray imaging. The combining form radi/o means ray and is used in terms that describe imaging with X-rays, such as radiography (the technique of taking X-ray images), radiograph (the actual X-ray image), and radiology (the field that studies and interprets X-ray images). Because X-ray imaging centers on rays, radi/o is the best fit. The other options don’t relate to imaging with X-rays: rheumat/o is about joints and rheumatic diseases, inflammation refers to a process, and lower limb is a body region.

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