ARRT MRI Mock Registry Questions
and Answers | Latest Version |
2025/2026 | Correct & Verified
Which pulse sequence is most sensitive for detecting edema?
A. T1-weighted
B. T2-weighted
C. Proton density
✔✔D. FLAIR
During MRI, which factor primarily affects signal-to-noise ratio (SNR)?
A. Slice thickness
B. Field strength
C. Matrix size
✔✔D. All of the above
What is the primary safety concern for patients with pacemakers undergoing MRI?
A. Peripheral nerve stimulation
✔✔B. Magnetic torque and heating
1
,C. Contrast reaction
D. None of the above
Which MRI sequence is best for imaging the anatomy of the knee meniscus?
A. T1-weighted
B. T2-weighted
✔✔C. Proton density
D. STIR
A patient reports feeling metallic taste and warmth during an MRI scan. This is most likely due
to:
A. Contrast reaction
B. Peripheral nerve stimulation
✔✔C. RF heating
D. Acoustic noise
Which coil is typically used for brain MRI?
A. Body coil
2
,B. Surface coil
C. Head coil
✔✔D. Phased-array head coil
What is the primary role of gadolinium in MRI?
✔✔A. Shortens T1 relaxation time
B. Suppresses fat signal
C. Increases T2 contrast
D. Eliminates artifacts
Which sequence is most sensitive for detecting multiple sclerosis plaques?
A. T1-weighted
B. T2-weighted
✔✔C. FLAIR
D. Gradient echo
A common artifact caused by dental fillings is:
A. Chemical shift
3
, B. Motion
✔✔C. Susceptibility
D. None of the above
What is the typical clinical indication for cardiac MRI?
✔✔A. Evaluation of cardiomyopathy
B. Bone metastases
C. Lung nodule detection
D. Abdominal trauma
Which factor does NOT affect T1 relaxation time?
A. Tissue type
B. Magnetic field strength
C. Temperature
✔✔D. Patient heart rate
Which MRI sequence is ideal for detecting acute intracranial hemorrhage?
A. T1-weighted
4
and Answers | Latest Version |
2025/2026 | Correct & Verified
Which pulse sequence is most sensitive for detecting edema?
A. T1-weighted
B. T2-weighted
C. Proton density
✔✔D. FLAIR
During MRI, which factor primarily affects signal-to-noise ratio (SNR)?
A. Slice thickness
B. Field strength
C. Matrix size
✔✔D. All of the above
What is the primary safety concern for patients with pacemakers undergoing MRI?
A. Peripheral nerve stimulation
✔✔B. Magnetic torque and heating
1
,C. Contrast reaction
D. None of the above
Which MRI sequence is best for imaging the anatomy of the knee meniscus?
A. T1-weighted
B. T2-weighted
✔✔C. Proton density
D. STIR
A patient reports feeling metallic taste and warmth during an MRI scan. This is most likely due
to:
A. Contrast reaction
B. Peripheral nerve stimulation
✔✔C. RF heating
D. Acoustic noise
Which coil is typically used for brain MRI?
A. Body coil
2
,B. Surface coil
C. Head coil
✔✔D. Phased-array head coil
What is the primary role of gadolinium in MRI?
✔✔A. Shortens T1 relaxation time
B. Suppresses fat signal
C. Increases T2 contrast
D. Eliminates artifacts
Which sequence is most sensitive for detecting multiple sclerosis plaques?
A. T1-weighted
B. T2-weighted
✔✔C. FLAIR
D. Gradient echo
A common artifact caused by dental fillings is:
A. Chemical shift
3
, B. Motion
✔✔C. Susceptibility
D. None of the above
What is the typical clinical indication for cardiac MRI?
✔✔A. Evaluation of cardiomyopathy
B. Bone metastases
C. Lung nodule detection
D. Abdominal trauma
Which factor does NOT affect T1 relaxation time?
A. Tissue type
B. Magnetic field strength
C. Temperature
✔✔D. Patient heart rate
Which MRI sequence is ideal for detecting acute intracranial hemorrhage?
A. T1-weighted
4
