In positron emission tomography (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

In positron emission tomography (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.

Quizplus · Accepted Answer

PET scans measure the amount of metabolic activity in different areas of the brain, which is reflected by the colors assigned to those areas. This can help researchers and doctors identify regions of the brain that are more or less active during different tasks or under different conditions.

In Positron Emission Tomography (PET)scans,colors Are Assigned That Reflect the