mock review

Question 1

what theory compares nuclei in the presence of a magnetic field compared to an absence of a magnetic field

Answer 1

classical theory of alignment

Question 2

what type of k space filling is used in CE angiography, with short acquisition times

Answer 2

key hole filling

Question 3

what type of k space filling uses shallow phase encoding gradients first , signal and contrast maximized and used in fast GRE

Answer 3

centric filling

Question 4

what is the distinguishing feature of ovarian cancer

Answer 4

general enlargement

Question 5

when positioning a pt for a head MRI , the horizontal alignment light should pass through the

Answer 5

nasion

Question 6

SSFP sequences usually produce images that are _____ weighted

Answer 6

T2

Question 7

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

Answer 7

true

Question 8

what size coil increases the likelihood of aliasing with a small FOV

Answer 8

large coil

Question 9

what type of coil produces a higher SNR

Answer 9

small coil

Question 10

what lobe of the liver is the largest

Answer 10

right