CPB Certified Professional Biller Certification Practice Exam

In medical terminology, the prefix "ex-" signifies which of the following?

1. Within

2. Out, away from

3. Near

4. Against

The correct answer is: Out, away from

The prefix "ex-" in medical terminology indicates movement or position that is "out" or "away from." This can often relate to anatomical terms or descriptions of physiological processes. For instance, "exhale" involves breathing out, and "excision" refers to the process of cutting out or removing tissue. Understanding this prefix is important for medical billing professionals, as they often encounter various medical terms that include this prefix. Recognizing the meaning helps ensure accurate interpretation of medical documentation and communication regarding procedures or conditions that may require billing. The other choices represent different prefixes with distinct meanings. "Within" refers to something that is located inside or inside of a boundary, "near" indicates proximity, and "against" suggests opposition or resistance. Each of these terms serves its own distinct purpose in medical terminology, but they do not carry the same connotation as "ex-."