Tumors are defined as uncontrollable growth in the body cells. The exact position of the brain tumor can be detected by MRI. Thus, option d is correct.
MRI is abbreviated for magnetic resonance imaging, a technique used in the medical field to know the structure of the internal organs, bones, muscles, tissues, etc.
It uses radio waves and magnetic fields to depict the image of the brain and can identify the exact position of the tumor as tumors are cells and can be generated as an image.
Therefore, option d. MRI can be used to detect the exact position of a brain tumor.
Learn more about MRI, here:
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Your question is incomplete, but most probably your full question was, Doctors, suspect that Paolo has a tumor in his brain, and they hope to learn the exact position of the tumor. For this purpose, they are likely to rely on
a. TMS
b. fMRI
c. EEG
d. MRI