Certified Electronic Health Records Specialist (CEHRS) Practice Exam

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What does "electro/o" indicate in medical terms?

Electrical activity
Intestines
Stomach
Teeth

The correct answer is: Electrical activity

The term "electro/o" is a combining form used in medical terminology that refers specifically to electrical activity. This combining form is often seen in terms like "electrocardiogram," which records the electrical activity of the heart. It highlights the importance of electricity in various bodily functions and diagnostic tests within medicine. The other options relate to different body systems and organs: intestines, stomach, and teeth, which are indicated by distinct prefixes or suffixes that do not include the "electro/o" root. For instance, "enter/o" refers to the intestines, "gastr/o" refers to the stomach, and "dent/o" or "odont/o" relates to teeth. Therefore, the definition of "electro/o" as representing electrical activity is the most accurate in a medical context.