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A(n) _________ scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray. a. pet b. ct c. tms d. eeg please select the best answer from the choices provided a b
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A(n) _________ scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray. a. pet b. ct c. tms d. eeg please select the best answer from the choices provided a b c d

User Anupam Gupta
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A is the answer. Pet scans use a tracer which is a radioactive substance. The tracer is usually some special form of a substance, like glucose. It allows you to see inside body functions very well.
User Horseyguy
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