CPB Certified Professional Biller Certification Practice Exam

Which prefix indicates the concept of 'against' in medical terminology?

1. pro-

2. anti-

3. sub-

4. inter-

The correct answer is: anti-

The prefix that indicates the concept of 'against' in medical terminology is indeed anti-. This prefix comes from the Greek word "anti," meaning "against" or "opposite." It is commonly used in medical terms to describe substances or actions that counteract or oppose something, such as "antibiotic," which refers to a substance that works against bacteria. Understanding this prefix is important in medical billing and coding as it can affect the interpretation of diagnoses and treatments, guiding billing practices for services provided. The other prefixes have different meanings: pro- generally relates to "for" or "in favor of," sub- means "under" or "below," and inter- signifies "between" or "among."