when tissue is placed in a static magnetic field the hydrogen nuclei tend to
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align with the field
75) referring to the figure (will have a graph with 4 lines within one quadrant. as they
increase in hieght their curve is smoothed. TR is bottom margine/x value ) At a specific
TR which tissue appears the darkest?
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The line closest to the bottom at that TR
,The effect of the pulsed phase encoding gradient on the phase of spins along a
column is
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to impress a phase shift along the gradient
for completeness an MRI pulse sequence diagram should contain how many lines of
information
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five
pixel location is determined by
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gradient magnetic fields
the fourier transform of an MR signal results in a distribution of intensity as a function
of
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, inverse time
approximately how many colors can the human eye detect
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2000
the threshold for induction of magnetic phospjenes at low frequencies is
approximately
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3T/s
magnetic resonance imaging (MRI) spatial resolution is normally measured in
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line pairs per centimeter
a change in resonant frequency for similar nuclei in a given molecule is caused by
Give this one a try later!
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align with the field
75) referring to the figure (will have a graph with 4 lines within one quadrant. as they
increase in hieght their curve is smoothed. TR is bottom margine/x value ) At a specific
TR which tissue appears the darkest?
Give this one a try later!
The line closest to the bottom at that TR
,The effect of the pulsed phase encoding gradient on the phase of spins along a
column is
Give this one a try later!
to impress a phase shift along the gradient
for completeness an MRI pulse sequence diagram should contain how many lines of
information
Give this one a try later!
five
pixel location is determined by
Give this one a try later!
gradient magnetic fields
the fourier transform of an MR signal results in a distribution of intensity as a function
of
Give this one a try later!
, inverse time
approximately how many colors can the human eye detect
Give this one a try later!
2000
the threshold for induction of magnetic phospjenes at low frequencies is
approximately
Give this one a try later!
3T/s
magnetic resonance imaging (MRI) spatial resolution is normally measured in
Give this one a try later!
line pairs per centimeter
a change in resonant frequency for similar nuclei in a given molecule is caused by
Give this one a try later!
