CORRECT QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2025 – 2026
the strength of very large magnetic fields like those
employed and MRI systems the SI unit most commonly used
is - ANSWERS-Tesla
The larmor frequency of hydrogen protons in 1.5 Tesla
magnetic field is - ANSWERS-63.9Mhz/tesla
an MRI imaging for a chemical substance to be affected by
the main magnetic field and the radio wave it must contain
an - ANSWERS-odd number of total protons and neutrons
a 1.5 Tesla magnet field is equal to - ANSWERS-15000 Gauss
the components of the gyromagnetic ratio are - ANSWERS-
Magnetic Moment to angular momentum
, In MRI, substances respond to a specific radio frequency
which is known as: - ANSWERS-Resonance Frequency
The introduction of gadolinum based contrast enhancement
agents by intra-venous injection can involve passing through
as abnormal blood brain barrier. The tissue compartments
involved are the: - ANSWERS-intravascular to interstitial
T2 is the measurement of time for the transverse compnent
of the nmv to decrease what percentage of its maximum
value after application of a 90* radio-frequency pluse? -
ANSWERS-37%
In the USA the MRI systems main magnet field and the
vector that represents it is symbolized - ANSWERS-B0
the resonance frequency of any substance in a magnetic
field can be calculated by employing the - ANSWERS-Larmor
equation
different tissues that have signals that appear similar on a
mr image are described as: - ANSWERS-isointense