WorksheetsDay 01: Basics of MRI
Total questions: 10
Worksheet time: 5mins
How is the motion of a proton defined in an
external magnetic field?
Rotation
Circulation
Precession
Angular moment
Which of the following term is used to refer the
resonance frequency of protons in MRI system?
Lenz’s Frequency
Larmor’s Frequency
Faraday’s Frequency
Tesla’s Frequency
Which biologically abundant element in human body is used for NMR scans?
Carbon
Nitrogen
Sodium
Hydrogen
What is the range of high frequency (HF) magnetic resonance imaging?
0.5 T ~ 1.4 T
1.5 T ~ 3.0 T
4.0 T to 7.0 T
7.0 T to 11.0T
Radio frequency (RF) coil used in MRI fall in which category of microwave resonators?
Standing
Waves
Travelling Waves
There are how many gradient coils in an MRI system?
3
4
5
6
Which terminology defines the functionality of the frequency encoding gradient?
Work out
Sampling
Slice selection
Read out
Which of the given option is an appropriate explanation of the term TR used in MRI?
Recovery
Time
Repetition
Time
Resonance
Time
Recording Time
Which RF pulse is mostly used to produce the appropriate signal for NMR imaging?
60°
90°
120°
180°
Which combination of TR and TE can not provide appropriate tissue contrast in MRI?
Short TR, Short TE
Long TR, Long TE
Short TR, Long TE
Long TR, Short TE
