Which client statement indicates the need for further teaching before a PET scan?

The statement expressing that the client will be asleep during the PET scan indicates a need for further teaching because it suggests a misunderstanding of the procedure. A PET scan typically does not require sedation, and patients are usually awake during the scan. It's crucial for patients to be aware that they will need to remain still and alert during the imaging process to obtain accurate results.

The other statements provide accurate information related to the PET scan procedure. For instance, the need to drink fluids after the test helps with hydration, particularly to assist in flushing out any contrast material from the body. Understanding the requirement to lie still and move only when prompted reflects an awareness of the procedure's demands, which is essential for obtaining high-quality images. The mention of IV lines for administering a glucose-based radiotracer correctly highlights a key aspect of the PET scan, as this is necessary for visualizing metabolic activity in tissues.