Question

Which of the following is NOT TRUE about MRI? [

• (A) ×, y, and z axis are applied with a magnetic field

gradient.

(B) The time parameters T1 and T2 of the NMR signal

are needed to construct an MRI image.

(C) NMR signals are produced by highly energetic

collision of high-speeded free electrons.

(D) MRI does not produce the same radiation effect

on the living system as X-rays CT.

Answer 1

The following is NOT TRUE about MRI: NMR signals are produced by highly energetic collision of high-speeded free electrons.