CPB Certified Professional Biller Certification Practice Exam

What does the medical root 'hydr-' generally associate with?

1. Blood

2. Water

3. Air

4. Fat

The correct answer is: Water

The medical root 'hydr-' is derived from the Greek word 'hydor', meaning water. In medical terminology, it is commonly used to form terms that relate to water in some capacity. For instance, words like "hydration", which refers to the process of adding water, and "dehydration", indicating the loss of water, both highlight the significance of water within physiological contexts. Understanding this root is essential for interpreting a variety of terms in healthcare, particularly those related to fluid balance, hydration status, and treatments involving water or fluids. This makes 'water' the correct association for the root 'hydr-'.