Physics 2 Finals

Question 1

To achieve thin slices, a shallow slice select slope and broad bandwidth is applied. To achieve thick slices, a steep slice select slope and narrow transmit bandwidth is applied. T/F?

Answer 1

False

switch parameters

Question 2

What is the formula for a conventional spine echo scan?

Answer 2

TR x PH MA x NEX/ NSA

Question 3

The Y gradient selects sagittal slices while the Z gradient selects the axial slices. T/F?

Answer 3

False

Y selects coronal slice or X selects sagittal slices

Question 4

Which gradient is turned on after the application of the excitation pulse

Answer 4

Phase encoding gradient