American Academy of Professional Coders (AAPC) Practice Exam

What is the meaning of the prefix "Mon/o" related to numbers?

1. More than one

2. One; single

3. Two; double

4. None

The correct answer is: One; single

The prefix "Mon/o" signifies the concept of "one" or "single." This term is derived from the Greek word "monos," which means solitary or alone. In various contexts, especially in scientific and mathematical terminology, "mon/o" is used to describe entities characterized by unity or singularity. For instance, in terms such as "monologue," it refers to a speech or performance by one person. Understanding this prefix helps in recognizing various terms that imply singularity in a range of fields, including medicine, coding, and other disciplines where precise language is vital for clarity and communication.