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For his brain-imaging test, Roger has a radioactive tracer injected into his bloodstream. What type of brain-imaging technique is this?
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For his brain-imaging test, Roger has a radioactive tracer injected into his bloodstream. What type of brain-imaging technique is this?

User Kerwin
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Answer:

positron tomography (PET)

Step-by-step explanation:

A brain positron tomography (PET) scan is an imaging test of the brain. It uses a radioactive substance called a tracer to look for disease or injury in the brain. A PET scan shows how the brain and its tissues are working.

User Harinsa
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