MRI Quality Assurance Exam Questions
with Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A |
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Domain 1: MRI Quality Assurance and Quality Control Fundamentals
1. What is the primary purpose of an MRI quality assurance program?
A. To increase scan time for every examination
B. To eliminate the need for preventive maintenance
C. To maintain consistent system performance and image quality
D. To replace clinical protocol review
Correct Answer: C. To maintain consistent system performance and image
quality
Rationale: An MRI quality assurance program systematically monitors equipment
and imaging performance so that changes can be detected before they
compromise diagnostic image quality. It complements, rather than replaces,
equipment maintenance and clinical protocol management.
2. What is the primary distinction between quality assurance (QA) and quality
control (QC)?
A. QA is broader and includes the overall quality-management process, while QC
focuses on specific performance measurements
B. QA applies only to patients, while QC applies only to equipment
C. QA is performed only by service engineers
D. QC does not require documented procedures
Correct Answer: A. QA is broader and includes the overall quality-management
process, while QC focuses on specific performance measurements
,Rationale: QA encompasses the organized processes used to maintain and
improve quality, while QC involves specific tests and measurements used to
monitor performance. A strong MRI program uses both approaches.
3. Who should have responsibility for oversight of an MRI equipment quality-
control program under ACR guidance?
A. The front-desk administrator
B. A qualified medical physicist or MR scientist
C. The patient
D. The equipment salesperson
Correct Answer: B. A qualified medical physicist or MR scientist
Rationale: ACR guidance states that a qualified medical physicist/MR scientist
must have responsibility for overseeing the equipment QC program and
monitoring performance upon installation and routinely thereafter.
4. What is acceptance testing primarily intended to establish?
A. The patient's preferred imaging protocol
B. A baseline of system performance after installation or major changes
C. The maximum number of patients per day
D. The patient's tolerance for acoustic noise
Correct Answer: B. A baseline of system performance after installation or major
changes
Rationale: Acceptance testing establishes whether a newly installed or
significantly modified MRI system meets specified performance requirements. The
results also provide an important baseline for future QC comparisons.
5. Why are baseline measurements important in MRI QC?
A. They eliminate the need for future testing
B. They provide reference values against which later performance can be
,compared
C. They determine the patient's diagnosis
D. They replace manufacturer specifications
Correct Answer: B. They provide reference values against which later
performance can be compared
Rationale: Baseline data allow subsequent measurements to be evaluated for
changes or trends. QC is particularly useful for detecting deterioration relative to
established system performance.
6. What is an action limit in an MRI QC program?
A. A threshold indicating that further investigation or corrective action may be
necessary
B. The maximum number of patients allowed in the department
C. The minimum patient weight for MRI
D. A limit on the number of sequences in an examination
Correct Answer: A. A threshold indicating that further investigation or corrective
action may be necessary
Rationale: Action limits are established performance thresholds. When
measurements exceed an action limit, the result should be investigated and
appropriate corrective action considered.
7. Why should MRI QC results be documented over time?
A. To identify trends and demonstrate system performance
B. To eliminate the need for service records
C. To determine patient eligibility for MRI
D. To replace the MRI safety screening process
Correct Answer: A. To identify trends and demonstrate system performance
Rationale: Longitudinal documentation allows gradual deterioration or unusual
changes to be recognized. A documented QC program also demonstrates that
required testing and corrective actions are being performed.
, 8. A QC measurement shows a substantial deviation from the established
baseline. What is the most appropriate first response?
A. Delete the measurement
B. Investigate the result and determine whether corrective action is needed
C. Immediately replace the MRI system
D. Ignore it if clinical images appear acceptable
Correct Answer: B. Investigate the result and determine whether corrective
action is needed
Rationale: An abnormal QC result should be evaluated for possible causes such as
positioning error, equipment malfunction, environmental factors, or measurement
error. Appropriate corrective action should follow the QC program.
Domain 2: MRI Phantom Testing
9. What is the primary purpose of an MRI QC phantom?
A. To simulate selected imaging characteristics in a reproducible object
B. To replace all patient examinations
C. To measure patient blood pressure
D. To determine contrast-agent allergies
Correct Answer: A. To simulate selected imaging characteristics in a
reproducible object
Rationale: Phantoms provide standardized objects that can be scanned repeatedly
to evaluate MRI system performance without introducing patient variability. ACR
phantom testing evaluates several quantitative image-quality parameters.
10. Which of the following is a quantitative test included in ACR MRI phantom
evaluation?
A. Patient comfort
B. Geometric accuracy
with Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
Domain 1: MRI Quality Assurance and Quality Control Fundamentals
1. What is the primary purpose of an MRI quality assurance program?
A. To increase scan time for every examination
B. To eliminate the need for preventive maintenance
C. To maintain consistent system performance and image quality
D. To replace clinical protocol review
Correct Answer: C. To maintain consistent system performance and image
quality
Rationale: An MRI quality assurance program systematically monitors equipment
and imaging performance so that changes can be detected before they
compromise diagnostic image quality. It complements, rather than replaces,
equipment maintenance and clinical protocol management.
2. What is the primary distinction between quality assurance (QA) and quality
control (QC)?
A. QA is broader and includes the overall quality-management process, while QC
focuses on specific performance measurements
B. QA applies only to patients, while QC applies only to equipment
C. QA is performed only by service engineers
D. QC does not require documented procedures
Correct Answer: A. QA is broader and includes the overall quality-management
process, while QC focuses on specific performance measurements
,Rationale: QA encompasses the organized processes used to maintain and
improve quality, while QC involves specific tests and measurements used to
monitor performance. A strong MRI program uses both approaches.
3. Who should have responsibility for oversight of an MRI equipment quality-
control program under ACR guidance?
A. The front-desk administrator
B. A qualified medical physicist or MR scientist
C. The patient
D. The equipment salesperson
Correct Answer: B. A qualified medical physicist or MR scientist
Rationale: ACR guidance states that a qualified medical physicist/MR scientist
must have responsibility for overseeing the equipment QC program and
monitoring performance upon installation and routinely thereafter.
4. What is acceptance testing primarily intended to establish?
A. The patient's preferred imaging protocol
B. A baseline of system performance after installation or major changes
C. The maximum number of patients per day
D. The patient's tolerance for acoustic noise
Correct Answer: B. A baseline of system performance after installation or major
changes
Rationale: Acceptance testing establishes whether a newly installed or
significantly modified MRI system meets specified performance requirements. The
results also provide an important baseline for future QC comparisons.
5. Why are baseline measurements important in MRI QC?
A. They eliminate the need for future testing
B. They provide reference values against which later performance can be
,compared
C. They determine the patient's diagnosis
D. They replace manufacturer specifications
Correct Answer: B. They provide reference values against which later
performance can be compared
Rationale: Baseline data allow subsequent measurements to be evaluated for
changes or trends. QC is particularly useful for detecting deterioration relative to
established system performance.
6. What is an action limit in an MRI QC program?
A. A threshold indicating that further investigation or corrective action may be
necessary
B. The maximum number of patients allowed in the department
C. The minimum patient weight for MRI
D. A limit on the number of sequences in an examination
Correct Answer: A. A threshold indicating that further investigation or corrective
action may be necessary
Rationale: Action limits are established performance thresholds. When
measurements exceed an action limit, the result should be investigated and
appropriate corrective action considered.
7. Why should MRI QC results be documented over time?
A. To identify trends and demonstrate system performance
B. To eliminate the need for service records
C. To determine patient eligibility for MRI
D. To replace the MRI safety screening process
Correct Answer: A. To identify trends and demonstrate system performance
Rationale: Longitudinal documentation allows gradual deterioration or unusual
changes to be recognized. A documented QC program also demonstrates that
required testing and corrective actions are being performed.
, 8. A QC measurement shows a substantial deviation from the established
baseline. What is the most appropriate first response?
A. Delete the measurement
B. Investigate the result and determine whether corrective action is needed
C. Immediately replace the MRI system
D. Ignore it if clinical images appear acceptable
Correct Answer: B. Investigate the result and determine whether corrective
action is needed
Rationale: An abnormal QC result should be evaluated for possible causes such as
positioning error, equipment malfunction, environmental factors, or measurement
error. Appropriate corrective action should follow the QC program.
Domain 2: MRI Phantom Testing
9. What is the primary purpose of an MRI QC phantom?
A. To simulate selected imaging characteristics in a reproducible object
B. To replace all patient examinations
C. To measure patient blood pressure
D. To determine contrast-agent allergies
Correct Answer: A. To simulate selected imaging characteristics in a
reproducible object
Rationale: Phantoms provide standardized objects that can be scanned repeatedly
to evaluate MRI system performance without introducing patient variability. ACR
phantom testing evaluates several quantitative image-quality parameters.
10. Which of the following is a quantitative test included in ACR MRI phantom
evaluation?
A. Patient comfort
B. Geometric accuracy
