A Patient Is Preparing to Undergo Positron Emission Tomography (PET)of

Multiple Choice

A patient is preparing to undergo positron emission tomography (PET) of the brain for preoperative evaluation of tumors.The nurse should expect that which of the following contrast media will most likely be used for this test, given its role as a glucose analogue with little localization in normal tissue?

A) Technetium-99m (Tc-99m) pertechnetate
B) Fluorodeoxyglucose (FDG)
C) Iodine-123
D) Thallium