The Primary Disadvantage of the Positron Emission Tomography (PET) Scan

Multiple Choice

The primary disadvantage of the positron emission tomography (PET) scan technique relates to

A) the operating cost of the scanner.
B) the long-half life of the radioactive 2-deoxyglucose molecule.
C) the inherent danger posed by the technique.
D) an inability of the technique to assess changes in metabolic activity.
E) the fact that the technique can measure neuron volume, but not activity.