#1
Which phenomenon forms the basis of Magnetic Resonance Imaging (MRI)?
Nuclear magnetic resonance
ExplanationMRI utilizes nuclear magnetic resonance to generate images.
#2
Which part of the body is most commonly examined using MRI for neurological disorders?
Brain
ExplanationMRI is commonly used to examine the brain for neurological disorders.
#3
Which of the following is a potential risk associated with MRI?
Metallic implant interaction
ExplanationMRI poses a risk of interaction with metallic implants.
#4
In MRI, what property of hydrogen atoms is utilized to create images?
Spin
ExplanationMRI uses the spin property of hydrogen atoms for imaging.
#5
What does the term 'T1-weighted' mean in the context of MRI imaging?
It highlights differences in the spin-lattice relaxation times of tissues
ExplanationT1-weighted MRI images emphasize differences in tissue relaxation times.
#6
Which neurological disorder is often associated with abnormalities in white matter detected by MRI?
Multiple sclerosis
ExplanationMultiple sclerosis often shows white matter abnormalities on MRI.
#7
What is the primary function of the radiofrequency coils used in MRI machines?
To transmit and receive radiofrequency signals
ExplanationRadiofrequency coils in MRI machines transmit and receive signals.
#8
Which imaging technique often complements MRI in diagnosing neurological disorders?
CT scan
ExplanationCT scans often complement MRI in neurological diagnosis.
#9
Which parameter affects the spatial resolution in MRI?
Field of View (FOV)
ExplanationField of View (FOV) affects spatial resolution in MRI.
#10
Which imaging modality can provide real-time functional information in addition to structural details, often used in conjunction with MRI for neurological studies?
Functional Magnetic Resonance Imaging (fMRI)
ExplanationfMRI provides real-time functional information alongside MRI for neurological studies.
#11
What does the term 'fMRI BOLD signal' stand for?
Functional Magnetic Resonance Imaging Blood Oxygen Level Dependent signal
ExplanationfMRI BOLD signal stands for Blood Oxygen Level Dependent signal in functional MRI.
#12
Which physical phenomenon is utilized in diffusion-weighted MRI to probe tissue microstructure?
Diffusion of water molecules
ExplanationDiffusion-weighted MRI utilizes water molecule diffusion to probe tissue microstructure.