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MRI Terms

Authored by Himani Rathore

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University

Used 1+ times

MRI Terms
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of gyromagnetic ratio for hydrogen?

Hz

MHz

MHz/T

Tesla

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the precessional path describe?

Movement of electrons in atoms

Spiral path taken by RF pulses

Circular motion of magnetic moments around B₀

Translation of the patient table

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which principle is MOST responsible for detecting the MRI signal from the body?

Photoelectric effect

Faraday’s Law of Induction

Maxwell’s fourth equation

Doppler shift

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In MRI, "spin-up" refers to nuclei that are:

In high energy state

Aligned antiparallel to B₀

Aligned parallel to B₀

Spinning faster than Larmor frequency

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the full form of FID in MRI?

Free Induction Decay

Functional Imaging Detail

Frequency Induction Decay

Field Imaging Decay

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of the gyromagnetic ratio for hydrogen?

42.58 MHz/T

63.87 MHz/T

84.2 MHz/T

21.29 MHz/T

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The MR signal is detected in which MRI component?

Receiver coil

Transmitter coil

Magnet bore

Gradient coil

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