mock review Flashcards
(17 cards)
what theory compares nuclei in the presence of a magnetic field compared to an absence of a magnetic field
classical theory of alignment
what type of k space filling is used in CE angiography, with short acquisition times
key hole filling
what type of k space filling uses shallow phase encoding gradients first , signal and contrast maximized and used in fast GRE
centric filling
what is the distinguishing feature of ovarian cancer
general enlargement
when positioning a pt for a head MRI , the horizontal alignment light should pass through the
nasion
SSFP sequences usually produce images that are _____ weighted
T2
T/F: intra-voxel dephasing occurs as a result of the phase difference between stationary and flowing nuclei in the same voxel causing dephasing and signal loss
true
what size coil increases the likelihood of aliasing with a small FOV
large coil
what type of coil produces a higher SNR
small coil
what lobe of the liver is the largest
right
coronal oblique images of the shoulder are angled parallel with which anatomy
supraspinatus muscle
what fold of the dura mater divides the right and left halves of the cerebrum
falx cerebrum
the space outside of the dura mater is termed the
epidural space
what fractures occur only along suture lines
diastatic fracture
the ureters joint to the bladder on which of its surfaces
posterior
which fractures are most likely to result in CSF leakage?
basilar skull fracture
diastatic fracture
