HOSA Medical Terminology – Prefixes and Suffixes Practice Test 2026 - Free Medical Terminology Practice Questions and Study Guide

The root "leuk-" is derived from the Greek word "leukos," meaning "white." In medical terminology, this prefix is commonly associated with conditions related to white blood cells or blood disorders. For example, terms like "leukemia" refer specifically to cancers of the blood and bone marrow that result in the abnormal increase of white blood cells. Therefore, when identifying conditions associated with "leuk-," it is clear that it directly relates to blood disorders, aligning perfectly with the concept of leukocytes, or white blood cells, which play a crucial role in the body’s immune response.