Which term correctly uses the prefix electro-?

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Multiple Choice

Which term correctly uses the prefix electro-?

Explanation:
Electro- signals electricity or electric phenomena. It’s used when describing something related to electrical energy or devices that use electricity. That’s why the term electricity or electric fits best—the word directly conveys an electrical meaning. The other options point to different concepts: the heart would link to cardio-, movement to motor or kineso-, and blood to hemo- or hemat-, not to electricity. In healthcare you’ll see electro- in terms like electrocardiography, which measures the heart’s electrical activity, illustrating how the prefix ties to electrical processes.

Electro- signals electricity or electric phenomena. It’s used when describing something related to electrical energy or devices that use electricity. That’s why the term electricity or electric fits best—the word directly conveys an electrical meaning. The other options point to different concepts: the heart would link to cardio-, movement to motor or kineso-, and blood to hemo- or hemat-, not to electricity. In healthcare you’ll see electro- in terms like electrocardiography, which measures the heart’s electrical activity, illustrating how the prefix ties to electrical processes.

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