Neuroimaging MCQs

What is the primary imaging modality used to evaluate brain tumors?
- A) X-ray
- B) MRI
- C) CT scan
- D) Ultrasound
Which imaging technique is most effective for detecting acute ischemic stroke?
- A) MRI
- B) CT scan
- C) X-ray
- D) PET scan
What does a “hyperintense” signal on T2-weighted MRI typically indicate?
- A) Fat
- B) Fluid
- C) Bone
- D) Air
Which neuroimaging technique utilizes radioactive tracers to assess brain function?
- A) CT scan
- B) PET scan
- C) MRI
- D) X-ray
What imaging finding is characteristic of multiple sclerosis on MRI?
- A) Bone lesions
- B) White matter plaques
- C) Tumors
- D) Cerebral atrophy
Which imaging modality is commonly used to evaluate head trauma?
- A) CT scan
- B) MRI
- C) Ultrasound
- D) PET scan
What is the purpose of diffusion-weighted MRI (DWI)?
- A) Assessing water molecule movement in tissues
- B) Evaluating blood flow
- C) Imaging bony structures
- D) Detecting fat content
Which neuroimaging technique is best for assessing vascular abnormalities like aneurysms?
- A) X-ray
- B) CT angiography
- C) MRI
- D) Ultrasound
What is the most common indication for performing an MRI of the brain?
- A) Headaches
- B) Hypertension
- C) Abdominal pain
- D) Chest pain
Which imaging modality can provide information about brain metabolism?
- A) CT scan
- B) PET scan
- C) MRI
- D) X-ray
What does the term “focal lesion” refer to in neuroimaging?
- A) Widespread damage
- B) Localized area of abnormality
- C) Normal brain tissue
- D) Edema
Which MRI sequence is most useful for evaluating hemorrhages?
- A) T1-weighted
- B) Gradient echo
- C) T2-weighted
- D) Proton density
What is a common appearance of a glioblastoma on MRI?
- A) Well-defined borders
- B) Irregular margins with surrounding edema
- C) Homogeneous signal
- D) Cystic formation
What is the primary disadvantage of using CT for neuroimaging?
- A) Ionizing radiation exposure
- B) Limited soft tissue contrast
- C) Slow imaging times
- D) Invasiveness
Which neuroimaging method is considered the gold standard for diagnosing Alzheimer’s disease?
- A) CT scan
- B) MRI
- C) PET scan
- D) X-ray
Which condition is best evaluated with a functional MRI (fMRI)?
- A) Brain tumors
- B) Brain activity during tasks
- C) Structural abnormalities
- D) Hemorrhages
What is the main use of magnetic resonance angiography (MRA)?
- A) Imaging blood vessels
- B) Evaluating brain tumors
- C) Assessing bone density
- D) Monitoring brain activity
Which neuroimaging technique is most suitable for assessing the brain’s white matter integrity?
- A) CT scan
- B) Diffusion tensor imaging (DTI)
- C) Ultrasound
- D) PET scan
What does a “signal void” on MRI typically indicate?
- A) Tumor presence
- B) Blood vessels or calcifications
- C) Edema
- D) Cysts
What is the role of SPECT imaging in neuroimaging?
- A) Assessing structural abnormalities
- B) Evaluating blood flow and metabolic activity
- C) Imaging bone density
- D) Detecting tumors
Which neuroimaging technique is least likely to be used for acute stroke assessment?
- A) CT scan
- B) Ultrasound
- C) MRI
- D) Angiography
What is the most common cause of a “mass effect” seen on neuroimaging?
- A) Normal anatomical variation
- B) Space-occupying lesions
- C) Bone fractures
- D) Edema
Which MRI sequence is most effective for imaging the pituitary gland?
- A) T1-weighted
- B) T2-weighted
- C) FLAIR
- D) Gradient echo
What type of imaging is primarily used to evaluate craniosynostosis in infants?
- A) CT scan
- B) 3D CT reconstruction
- C) MRI
- D) Ultrasound
Which condition is commonly associated with “cortical ribboning” on neuroimaging?
- A) Tumors
- B) Hypoxia or ischemia
- C) Hemorrhage
- D) Abscess
What is the primary purpose of using an electroencephalogram (EEG) in conjunction with neuroimaging?
- A) Structural evaluation
- B) Assessing electrical activity of the brain
- C) Imaging blood vessels
- D) Measuring blood flow
Which neuroimaging technique can differentiate between various types of dementia?
- A) X-ray
- B) PET scan
- C) CT scan
- D) MRI
What does “cerebral atrophy” indicate in neuroimaging findings?
- A) Increase in brain volume
- B) Decrease in brain tissue
- C) Presence of tumors
- D) Normal aging process
What type of imaging is best suited for evaluating the spinal cord?
- A) MRI
- B) X-ray
- C) CT scan
- D) Ultrasound
What does a “strawberry sign” on imaging typically indicate in neuroimaging?
- A) Normal anatomy
- B) Dandy-Walker malformation
- C) Hydrocephalus
- D) Chiari malformation

Leave a Comment Cancel reply