TECHNOLOGIST QUICK REFERENCE AND
STUDYGUIDE ARMRIT) WITH CORRECT
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 – 2026
At any one time, human body tissue, in general, is made up
of 50-90 percent of what substance? - ANSWERS-H2O
In comparison to Computed Axial Tomography, an
advantage of MRI is - ANSWERS-Superior soft-tissue contrast
resolution
In MRI, substances respond to a specific radio frequency
which is known as: - ANSWERS-Resonance frequency
, In the USA, MRI systems in clinical use have main magnetic
field strengths that range from: - ANSWERS-0.06 Tesla to 3
Tesla
Magnetic fields have strength and direction, which are
represented by a: - ANSWERS-Vector
Which cryogenic material can produce temperature as low
as 4 degrees Kelvin? - ANSWERS-Liquid Helium
The T1 process is also known as - ANSWERS-Spin-Lattice
a 90 degree radio-frequency pulse will alter the net
magnetization vector. Another effect is: - ANSWERS-The
hydrogen protons will have phase coherence.
Which type of MRI magnet requires no electricity to
maintain its magnetic field and can weigh from 18,000 lb. to
200,000 lb.? - ANSWERS-Permanent
To describe the uniformity of the MRI system's main
magnetic field, the term employed is - ANSWERS-
Homogeneity