ARRT Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What do you call the effect of radiation on the skin leading to temporary or permanent hair loss?

Alopecia

Hypertrichosis

Epilation

The effect of radiation on the skin leading to temporary or permanent hair loss is known as epilation. This term specifically refers to the process of hair removal or loss, which can occur as a result of exposure to ionizing radiation. Epilation can be temporary, where hair regrowth may occur after the radiation exposure ceases, or it can be permanent, especially with higher doses of radiation that cause more significant damage to hair follicles.

Alopecia is a broader term used to describe hair loss from any cause and does not specifically denote radiation exposure. Hypertrichosis refers to excessive hair growth and is unrelated to the loss of hair caused by radiation. Skin atrophy indicates a thinning of the skin and does not directly relate to hair loss. Understanding these distinctions helps to clarify why epilation is the most accurate term for the phenomenon described in the question.

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Skin atrophy

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