CPB (Certified Professional Biller) Certification Practice Exam

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What do the roots "galact-" and "lact-" collectively signify?

muscle
bone
milk
stomach

The correct answer is: milk

The roots "galact-" and "lact-" both pertain to milk. These terms stem from their respective origins in Greek and Latin, where "galact-" comes from the Greek word "gala," meaning milk, and "lact-" derives from the Latin word "lac," also meaning milk. This shared meaning is foundational in various medical terminologies, particularly in contexts related to lactation, dairy products, and conditions associated with milk. Understanding these roots helps in comprehending terms used in biomedicine and nutrition.