In PET scans, colors are assigned that reflect the
A) density of tissue in a particular area.
B) response of the cells in a particular area to magnetism.
C) magnetic output of an area of the brain.
D) amount of activity in a particular area of the brain.

Question

Quizplus · Accepted Answer

PET scans measure the amount of activity in a particular area of the brain by detecting the amount of glucose uptake in that area. Colors are assigned based on the level of activity detected, with areas of high activity typically shown in bright colors and areas of low activity shown in cooler colors.

In PET Scans, Colors Are Assigned That Reflect the