Week 2 Word Scramble
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| Question | Answer |
| Name some contraindications of a MRI? (let's say 5 for fun) | pacemakers, cerebral aneurysm clips, certain heart valves, IUD's, cochlear implants, neurostimulators, welders, tattoos (eyeliner) |
| What atom is used for making an MRI? | Hydrogen, b/c doesn't have any neutrons so the nucleus is easily magnetized. |
| For an MRI tissue contrast is weighted based on (FA), (TR), (TE), (TI). What do these abbreviations stand for? | FA = Flip angle, TR = Repetition time, TE = Echo time, TI = Inversion time |
| When is Fat bright, T1 or T2? When is water bright, T1 or T2? | 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). |
| ***T/F Air, cortical bone, ligaments and tendons have low intensity (dark) signals on ALL sequences? | True, what this means is those areas will show up dark on T1, T2, PD (proton density) and STIR sequences |
| ***TR < 1000ms, and T < 30ms, FA = 90 degrees. (is this T1 or T2) | T1 |
| ****TR > 2000ms, TE > 60ms, and FA = 90 degrees? (is this T1 or T2)? | T2 |
| Is the repetition time and echo time larger in T1 or T2 weighted images? | T2 |
| True or false? A three week old hemorrhage (subacute hemorrhage) will show up dark on a T1 weighted image. | True! |
| What is it called when the pedicles on C2 are snapped? | Hangman's fracture |
| I would for sure know the numbers for T1 and T2, and what shows up on each. | That means don't discard the flashcards until you fear them as if they were giggleman |
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pcc Normal Rad
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