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Week 2 Test

Enter the letter for the matching Answer
incorrect
1.
****TR > 2000ms, TE > 60ms, and FA = 90 degrees? (is this T1 or T2)?
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2.
I would for sure know the numbers for T1 and T2, and what shows up on each.
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3.
Name some contraindications of a MRI? (let's say 5 for fun)
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4.
For an MRI tissue contrast is weighted based on (FA), (TR), (TE), (TI). What do these abbreviations stand for?
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5.
When is Fat bright, T1 or T2? When is water bright, T1 or T2?
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6.
***TR < 1000ms, and T < 30ms, FA = 90 degrees. (is this T1 or T2)
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7.
What atom is used for making an MRI?
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8.
***T/F Air, cortical bone, ligaments and tendons have low intensity (dark) signals on ALL sequences?
A.
That means don't discard the flashcards until you fear them as if they were giggleman
B.
T2
C.
T1
D.
pacemakers, cerebral aneurysm clips, certain heart valves, IUD's, cochlear implants, neurostimulators, welders, tattoos (eyeliner)
E.
True, what this means is those areas will show up dark on T1, T2, PD (proton density) and STIR sequences
F.
Hydrogen, b/c doesn't have any neutrons so the nucleus is easily magnetized.
G.
FA = Flip angle, TR = Repetition time, TE = Echo time, TI = Inversion time
H.
In T1 fat is bright and water (CSF) is dark. In T2, H2O is bright, (also he said Nowadays Fat is bright on T2 as well).
Type the Answer that corresponds to the displayed Question.
incorrect
9.
True or false? A three week old hemorrhage (subacute hemorrhage) will show up dark on a T1 weighted image.
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10.
What is it called when the pedicles on C2 are snapped?

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