CPB Certified Professional Biller Certification Practice Exam

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What does the prefix 'hemi-' imply in medical terminology?

  1. Whole

  2. Part

  3. Half

  4. None

The correct answer is: Half

The prefix 'hemi-' in medical terminology specifically means 'half.' It is derived from the Greek word 'hemisus,' meaning 'half' or 'divided in half.' This prefix is commonly used in various medical terms to indicate that something is occurring in half or is partially present. For example, 'hemiparesis' refers to weakness on one side of the body, while 'hemisphere' denotes one half of a spherical structure, such as the brain. Understanding the meaning of prefixes like 'hemi-' is crucial in the medical billing and coding field, as it allows professionals to accurately understand and utilize medical terminology.