MRI Multiple Choice Questions and
Answers Latest Update Graded A+
Which MRI parameter primarily controls tissue contrast in T2-weighted images?
A) Repetition time (TR)
✔✔B) Echo time (TE)
C) Flip angle
D) Bandwidth
What is the primary function of the superconducting magnet in MRI?
A) Generate RF pulses
✔✔B) Create a strong and stable magnetic field
C) Improve image resolution
D) Reduce scan time
Which imaging technique is used for assessing brain white matter pathways?
✔✔A) Diffusion tensor imaging (DTI)
B) Gradient echo
C) T1-weighted imaging
1
,D) STIR
Which MRI sequence is most effective for detecting bone marrow pathology?
A) Proton density
✔✔B) STIR
C) T1-weighted
D) Diffusion-weighted
What does an increased signal intensity on a T2-weighted MRI indicate?
A) Normal tissue function
✔✔B) Pathological fluid accumulation
C) Low fat content
D) Increased bone density
Which component of an MRI system is responsible for generating the main magnetic field?
✔✔A) Superconducting magnet
B) RF coil
C) Gradient coils
2
,D) Cryogen unit
Which factor influences the speed of an MRI scan?
✔✔A) Shorter repetition time (TR)
B) Lower magnetic field strength
C) Increased echo time (TE)
D) Use of a smaller bore magnet
What is the most common side effect of gadolinium contrast agents?
✔✔A) Mild nausea
B) Increased radiation exposure
C) Permanent staining of tissues
D) High blood pressure
Which MRI sequence is best for detecting hemorrhages in the brain?
A) T1-weighted
B) Fat-saturated imaging
✔✔C) Gradient echo (GRE)
3
, D) STIR
Why is a high field strength (3T or higher) beneficial in MRI?
A) Reduces patient anxiety
B) Lowers energy consumption
✔✔C) Improves image resolution and signal-to-noise ratio
D) Decreases scan time for all sequences
Which of the following is a risk factor when scanning a patient with metal implants?
A) Increased contrast uptake
B) Decreased tissue perfusion
✔✔C) Heating or displacement of the implant
D) Increased image sharpness
What is the primary function of a phased array coil in MRI?
✔✔A) Improve signal detection and image quality
B) Decrease scan time
C) Enhance contrast uptake
4
Answers Latest Update Graded A+
Which MRI parameter primarily controls tissue contrast in T2-weighted images?
A) Repetition time (TR)
✔✔B) Echo time (TE)
C) Flip angle
D) Bandwidth
What is the primary function of the superconducting magnet in MRI?
A) Generate RF pulses
✔✔B) Create a strong and stable magnetic field
C) Improve image resolution
D) Reduce scan time
Which imaging technique is used for assessing brain white matter pathways?
✔✔A) Diffusion tensor imaging (DTI)
B) Gradient echo
C) T1-weighted imaging
1
,D) STIR
Which MRI sequence is most effective for detecting bone marrow pathology?
A) Proton density
✔✔B) STIR
C) T1-weighted
D) Diffusion-weighted
What does an increased signal intensity on a T2-weighted MRI indicate?
A) Normal tissue function
✔✔B) Pathological fluid accumulation
C) Low fat content
D) Increased bone density
Which component of an MRI system is responsible for generating the main magnetic field?
✔✔A) Superconducting magnet
B) RF coil
C) Gradient coils
2
,D) Cryogen unit
Which factor influences the speed of an MRI scan?
✔✔A) Shorter repetition time (TR)
B) Lower magnetic field strength
C) Increased echo time (TE)
D) Use of a smaller bore magnet
What is the most common side effect of gadolinium contrast agents?
✔✔A) Mild nausea
B) Increased radiation exposure
C) Permanent staining of tissues
D) High blood pressure
Which MRI sequence is best for detecting hemorrhages in the brain?
A) T1-weighted
B) Fat-saturated imaging
✔✔C) Gradient echo (GRE)
3
, D) STIR
Why is a high field strength (3T or higher) beneficial in MRI?
A) Reduces patient anxiety
B) Lowers energy consumption
✔✔C) Improves image resolution and signal-to-noise ratio
D) Decreases scan time for all sequences
Which of the following is a risk factor when scanning a patient with metal implants?
A) Increased contrast uptake
B) Decreased tissue perfusion
✔✔C) Heating or displacement of the implant
D) Increased image sharpness
What is the primary function of a phased array coil in MRI?
✔✔A) Improve signal detection and image quality
B) Decrease scan time
C) Enhance contrast uptake
4
