The characteristic MR noise that is uncomfortable for patients and staff is due the ________ turning on and off at a high frequency.
A)external magnet
B)external coils
C)gradient coils
D)RF coil

Question

Quizplus · Accepted Answer

The uncomfortable noise in an MRI scanner is primarily due to the gradient coils turning on and off rapidly to create the necessary magnetic field gradients for imaging. The external magnet (A) creates a constant magnetic field, and the external coils (B) and RF coil (D) are not the source of the noise.

The Characteristic MR Noise That Is Uncomfortable for Patients and Staff