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What is the root word of electroencephalography?

  1. Cardio

  2. Encephalo

  3. Neuro

  4. Electro

The correct answer is: Encephalo

The root word of "electroencephalography" is "encephalo," which refers specifically to the brain. This term is derived from the Greek word "enkephalos," meaning "brain." In the context of the term, "encephalo" is combined with "electro," which denotes electricity, and "graphy," meaning a process of recording. Therefore, electroencephalography is the process of recording the electrical activity of the brain. Understanding the components of medical terminology is crucial, especially for someone in the field of esthetics, as it helps in grasping the implications of various treatments and their effects on the body. The other choices, while related to different areas of the body, do not pertain to the brain or its functions. "Cardio" refers to the heart, "neuro" relates to the nervous system, and "electro" signifies electricity, but none of these directly connect to the specific study of brain activity as indicated by "encephalo."