Unit 2 Quiz

Question 1

What is the purpose of image weighting in MRI?

Answer 1

Highlight specific tissues

Question 2

Which type of weighting is characterized by bright signals for tissues with short T1 relaxation times?

Answer 2

T1 Weighting

Question 3

What parameter is primarily adjusted to control T1 weighting?

Answer 3

TR (repetition time)

Question 4

T2-weighted images are commonly used to visualize:

Answer 4

Edema and pathology

Question 5

What factor is crucial for achieving optimal contrast in MRI?

Answer 5

Pulse sequence parameters

Question 6

Increasing the echo time (TE) in an MRI sequence primarily affects:

Answer 6

T2 weighting

Question 7

What is T1 recovery time in MRI?

Answer 7

Time taken for longitudinal magnetization to reach 63%

Question 8

Increasing the repetition time (TR) in an MRI sequence primarily affects:

Answer 8

T1 recovery time

Question 9

What is T2 decay time in MRI?

Answer 9

Time taken for transverse magnetization to decrease to 37%