Unit 6 Quiz

Question 1

When data of each signal position are collected, the information is stored as data points in the array processor of the system computer. These data points are stored in _________?

Answer 1

K space

Question 2

The _____________ of K-space is horizontal & is centered in the middle of several horizontal lines while the ____________ of K space is vertical & is centered in the middle of k space perpendicular to the frequency axis.

Answer 2

Frequency axis / phase axis

Question 3

The central region of k-space corresponds to:

Answer 3

Low spatial resolution

Question 4

In k-space acquisition, which part corresponds to the low-frequency (low-resolution) information in the image?

Answer 4

Central part of k-space

Question 5

What is the term for the process of filling k-space with acquired data in MRI?

Answer 5

K-space filling

Question 6

In MRI, what effect does increasing the number of phase-encoding steps have on k-space?

Answer 6

Increases spatial resolution

Question 7

True or False: The outer portion of K space contains data that have High signal amplitude & low resolution.

Answer 7

False