The prefix meaning 'ray' is

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Master the Dean Vaughn Medical Terminology Test. Engage with flashcards and quizzes, detailed explanations provided. Enhance your medical vocabulary for exam success.

Multiple Choice

The prefix meaning 'ray' is

Explanation:
Radi- conveys the idea of a ray or beam, which is the basis for medical terms related to X-rays and radiation (like radiology or radiograph). The other prefixes point to different concepts: corne- means horn (used in terms like cornea), phren- relates to the diaphragm or mind, and ptyal- refers to saliva. Because radi- specifically signals rays, it’s the correct prefix in this item.

Radi- conveys the idea of a ray or beam, which is the basis for medical terms related to X-rays and radiation (like radiology or radiograph). The other prefixes point to different concepts: corne- means horn (used in terms like cornea), phren- relates to the diaphragm or mind, and ptyal- refers to saliva. Because radi- specifically signals rays, it’s the correct prefix in this item.

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