Exam (elaborations)
MRI Techniques (1)
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Exam of 3 pages for the course Biochemistry Module 3 at Biochemistry Module 3 (MRI Techniques (1))
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MRI TechniquesMRI - CORRECT ANSWER-Magnetic Resonance Imaging, uses strong magnets for
3D body scans
DTI - CORRECT ANSWER-Diffusion Tensor Imaging, maps brain's White matter
tracts
MRS - CORRECT ANSWER-Magnetic Resonance Spectroscopy, measures
substance concentrations in the brain
fMRI - CORRECT ANSWER-Functional MRI, studies brain activity by measuring
oxygenated hemoglobin
Paul Mansfield and Paul Lauterbur - CORRECT ANSWER-Independent inventors of
MRI technology in the 1970s, Nobel Prize winners
MRI Machine - CORRECT ANSWER-Contains a powerful magnet interacting with
protons in the body
MRI Cost - CORRECT ANSWER-Millions of dollars, limiting research access due to
medical priority
Structural MRI - CORRECT ANSWER-Provides high-resolution 3D images showing
brain structures
DTI Purpose - CORRECT ANSWER-Maps out brain's White matter tracts, useful for
myelination disorders
MRS Spatial Resolution - CORRECT ANSWER-Offers poor spatial resolution
compared to other MRI techniques
fMRI Development - CORRECT ANSWER-Functional MRI technique developed in
1992 to study brain activity
MRI Claustrophobia - CORRECT ANSWER-MRI scans are non-invasive but
uncomfortable due to confined space
MRI Limitation - CORRECT ANSWER-Does not show brain activity or metabolic
changes
MRS Concentration Measurement - CORRECT ANSWER-Measures concentrations
of specific substances in the brain region of interest
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