Multiple Choice
A change in the strength of the main magnetic field can be caused by
A) cryogen boiloff.
B) external ferromagnetic materials.
C) shim coil failure.
D) all of the above.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q1: Luminance uniformity of soft-copy displays used in
Q3: The amount of geometric distortion in the
Q3: Nonuniformity in the magnetic field can be
Q4: The ability of an MR scanner to
Q5: The ACR slice position deviation in MR
Q6: What is the maximum luminance for soft-copy
Q8: An acquisition with a 200-mm field of
Q8: The ability of the MR system to
Q9: What is the resonant frequency in a