Day 01: Basics of MRI

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