CPB (Certified Professional Biller) Certification Practice Exam

How would you define "dactyl-" as a prefix?

1. Fingers, toes

2. Lack of, down

3. Half

4. Skin

The correct answer is: Fingers, toes

The prefix "dactyl-" is derived from the Greek word "daktylos," which translates to "finger" or "toe." Therefore, when using it in medical or anatomical terminology, it specifically pertains to digits, such as fingers and toes. This prefix is often found in words like "dactylitis," which refers to inflammation of the fingers or toes, highlighting its connection to digits. The other options provided do not relate to digits in the same way; instead, they refer to entirely different concepts such as lack or absence, fractions, or skin. Understanding the root meanings of prefixes is crucial for interpreting medical terminology effectively, especially in fields like medical billing and coding where accurate terminology is essential.