Question

31 multiple choice 1 point

electroencephalogram

recording of sound waves in the brain
record of electricity in the brain
record of electricity in the heart
x-ray of the brain

Explanation:

Analyze the word roots

Using the Medical Word Roots knowledge point, we break down the term "electroencephalogram" into its constituent parts to determine its meaning:

• electr/o: electricity or electrical activity.
• encephal/o: brain.

Analyze the suffix

Using the Suffixes and Prefixes knowledge point, we identify the suffix:

• -gram: record or writing.

Combine the word parts

Using the Medical Terminology knowledge point, we combine these components:

• "electro-" (electricity) + "-encephalo-" (brain) + "-gram" (record) translates directly to a "record of electricity in the brain."
• This matches the second option.

Answer:

• Recording of sound waves in the brain
• Record of electricity in the brain (Correct answer)
• Record of electricity in the heart
• x-ray of the brain