Certified Paraoptometric (CPO) Practice Exam 2025

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What does the suffix -itis indicate in medical terminology?

Abnormal fear of
Inflammation
Tumor or swelling
Measuring tool

The correct answer is: Inflammation

The correct choice of "B. Inflammation" is significant because the suffix "-itis" is widely used in medical terminology to denote inflammation of a particular organ or tissue. For instance, conditions such as arthritis indicate inflammation of the joints, while appendicitis refers to inflammation of the appendix. The use of this suffix helps healthcare professionals communicate specific pathology efficiently and clearly. The other options provide meanings that do not align with the definition of "-itis." For example, the choice related to an abnormal fear does not reflect any medical condition related to inflammation. The option referencing a tumor or swelling deviates from the precise inflammatory context of "-itis." Lastly, a measuring tool suggests a completely different domain of terminology altogether. Focusing on how "-itis" signals inflammation in various conditions underscores its critical relevance in medical language.