Certified Paraoptometric (CPO) Practice Exam 2025

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What is the meaning of the prefix -phobia in medical terms?

Disease
Abnormal fear or aversion
Inflammation
Tumor

The correct answer is: Abnormal fear or aversion

The prefix -phobia in medical terminology signifies an abnormal fear or aversion to specific objects, situations, or activities. It is derived from the Greek word "phobos," meaning fear. This term is commonly used in various psychological contexts to describe conditions such as acrophobia (fear of heights) or claustrophobia (fear of confined spaces). Understanding this prefix is crucial in the medical field, as it helps healthcare providers communicate more effectively about mental health issues that involve irrational fears. The other terms relate to different medical concepts: a disease, inflammation, and tumor. Knowing the correct use of -phobia allows for better clarity in diagnosing and discussing conditions related to fear and anxiety.