CPB (Certified Professional Biller) Certification Practice Exam

What is the interpretation of the prefix "infra-"?

1. A. Uterus, womb

2. B. Within, into

3. C. Pertaining to

4. D. In, into, not

The correct answer is: B. Within, into

The prefix "infra-" is derived from Latin, where it means "below" or "beneath." In medical terminology and other specialized fields, it often indicates a position lower than or beneath a certain reference point. The choice that states "within, into" could be interpreted to indicate a position relative to something else, but it does not capture the precise meaning of "infra-" which emphasizes a lower or beneath orientation. The other options refer to different prefixes or meanings that do not align with the traditional interpretation of "infra-." For instance, "uterus, womb" specifically pertains to reproductive anatomy and does not relate to the prefix in question. "Pertaining to" generally modifies a noun but doesn’t denote a spatial relationship. Lastly, "in, into, not" contains multiple meanings and does not specifically reflect the unique emphasis on being beneath or below that "infra-" conveys. Hence, clarifying the definition and contextual application of "infra-" is key to understanding its relevance in medical terms and applications.