©JASONMcCONNELL 2024/2025 ALL RIGHTS RESERVED 1/28/2025.
MRI PHYSICS FINAL Exam Questions
With Correct Answers 100% Verified.
Nuclei that have the strongest magnetic moments are those with - Answer✔only hydrogen
The Larmor frequency of nuclei depends on: - Answer✔# of protons and neutrons in the nucleus
gyromagnetic ratio
main magnetic field strength
molecule in which nuclei are located
The spin-lattice relaxation time in MRI is also called the - Answer✔longitudinal relaxation time
The shortest relaxation time in MRI is the - Answer✔t2*
The coil that provides the best signal to noise ratio is the - Answer✔surface coil
The relaxation time that controls the FID is the - Answer✔t2*
Cryogenic superconductive magnets have their electrical windings cooled by - Answer✔liquid
helium
The Larmor frequency of hydrogen nuclei at 1.5T is about - Answer✔63.9 MHz
The brightest signal from a T2- weighted spin echo MRI image would be from - Answer✔pure
water (3000 ms)
The brightest signal from a T1- weighted spin echo MRI image would be from -
Answer✔adipose tissue (180 ms)
A T1 weighted spin echo image is produced by using a pulse sequence with ________ TE time
and a ______ TR time. - Answer✔short, short
A T2 weighted spin echo image is produced by using a pulse sequence with ______ TE time and
a _______ TR time. - Answer✔long, long
A proton density weighted spin echo image is produced by using a pulse sequence with ______
TE time and a _______ TR time. - Answer✔short, long
The pulse sequence most often used to nullify the signal from adipose tissue is - Answer✔STIR
1|Page
MRI PHYSICS FINAL Exam Questions
With Correct Answers 100% Verified.
Nuclei that have the strongest magnetic moments are those with - Answer✔only hydrogen
The Larmor frequency of nuclei depends on: - Answer✔# of protons and neutrons in the nucleus
gyromagnetic ratio
main magnetic field strength
molecule in which nuclei are located
The spin-lattice relaxation time in MRI is also called the - Answer✔longitudinal relaxation time
The shortest relaxation time in MRI is the - Answer✔t2*
The coil that provides the best signal to noise ratio is the - Answer✔surface coil
The relaxation time that controls the FID is the - Answer✔t2*
Cryogenic superconductive magnets have their electrical windings cooled by - Answer✔liquid
helium
The Larmor frequency of hydrogen nuclei at 1.5T is about - Answer✔63.9 MHz
The brightest signal from a T2- weighted spin echo MRI image would be from - Answer✔pure
water (3000 ms)
The brightest signal from a T1- weighted spin echo MRI image would be from -
Answer✔adipose tissue (180 ms)
A T1 weighted spin echo image is produced by using a pulse sequence with ________ TE time
and a ______ TR time. - Answer✔short, short
A T2 weighted spin echo image is produced by using a pulse sequence with ______ TE time and
a _______ TR time. - Answer✔long, long
A proton density weighted spin echo image is produced by using a pulse sequence with ______
TE time and a _______ TR time. - Answer✔short, long
The pulse sequence most often used to nullify the signal from adipose tissue is - Answer✔STIR
1|Page
