Which of the Following Is a Drawback of the PET

question 56

Multiple Choice

Which of the following is a drawback of the PET scan?

• A) People are exposed to small amounts of radioactivity,making extensive scanning risky.
• B) It measures the overall electrical activity of many different areas of the brain at once,making it difficult to pinpoint the exact location of specific brain wave activity.
• C) It simply measures the brain's structure,rather than brain activity.
• D) The cost is usually not justified.

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