MRI Quiz

MRI Quiz

University

78 Qs

quiz-placeholder

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MRI Quiz

MRI Quiz

Assessment

Quiz

Specialty

University

Medium

Created by

Wilton Muriithi

Used 3+ times

FREE Resource

78 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term "spin-lattice relaxation time" (T1) represent in MRI?

The time constant for spins to lose coherence due to magnetic field inhomogeneities

The time constant for spins to regain longitudinal magnetization

The time constant for spins to achieve transverse magnetization

The time constant for spins to lose coherence due to spin-spin interactions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic property of T2 relaxation time in MRI?

It is shorter than T2 relaxation time

It is influenced by magnetic field inhomogeneities

It represents the time constant for spins to return to equilibrium

It is not affected by the presence of paramagnetic substances

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In MRI, what is the role of the radiofrequency (RF) coil during imaging?

It creates the main magnetic field

It receives the MR signal from the patient

It amplifies the MR signal before detection

It enhances spatial resolution of the images

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which MRI sequence is typically used for imaging T2-weighted images?

Gradient echo (GRE)

Inversion recovery (IR)

Spin echo (SE)

Echo-planar imaging (EPI)

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of applying a slice-selective RF pulse in MRI?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To excite spins within a specific slice

To excite spins within a specific slice

To refocus spins after dephasing

To dephase spins for T2-weighted imaging

To reduce T1 relaxation times

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following imaging artifacts is caused by magnetic field inhomogeneities in MRI?

Chemical shift artifact

Aliasing artifact

Zipper artifact

Flow artifact

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