本题目来源于试卷: IB Psychology HL Biological Approaches to Human Behaviour，类别为 IB心理学
[单选题]
Which of the following does not des.oe 8)c3miao9rvodz - gig-3zcribe thejfao+ wxs f1 bg8nr:u,(8e1bm magnetic resonance imaging (MRI) sc+fj,: r8snao mb1 x e8uwg(b1fan?
A. It uses magnetic fields and radio waves to produce 3D computer-generated images.
B. It allows researchers to see structures within the brain.
C. It involves having people remove all metal objects in their possession.
D. It requires patients to be injected with a radioactive glucose tracer which shows the areas where glucose is absorbed in the active brain
参考答案: D
本题详细解析:
A, B and C are functions of the MRI, wxcz.wp q jp1x6e9ku)dh1p2:e hereas D is the function of the positron emission tomography (PET) scans.
MRI scans use magnetic fie pxe c96j1pepxzud.w )2k:hq1lds and radio waves to produce 3D computer-generated images. All metal objects and clothing on the body have to be removed before lying in the MRI machine. This is a disadvantage of the technique, as people with metallic implants cannot use this technique.
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