PARAMETER CHANGES

Question 1

If you increase the TR, what happens to the SNR?

Answer 1

Increases

Question 2

If the TR increases, what happens to the scan time?

Answer 2

Increases

Question 3

If the TR increases, what happens to the SAR?

Answer 3

Decreases

Question 4

If the TR increases, does it increase or decrease T1 weighting?

Answer 4

Decrease

Question 5

If the TR increases, does it increase or decrease the number of slices?

Answer 5

Increase

Question 6

If the TE is increased, what happens to the SNR?

Answer 6

Decreases

Question 7

If the TE is increases, what happens to the scan time?

Answer 7

Increases

Question 8

If the TE increases, what happens to the SAR?

Answer 8

No change

Question 9

If the TE increases, will T2 weighting increase or decrease?

Answer 9

Increase

Question 10

If the TE increases, will the number of slices increase or decrease?

Answer 10

Decrease

Question 11

If the FOV is increased, what happens to the SNR?

Answer 11

Increases

Question 12

If the FOV is increases, what happens to the scan time?

Answer 12

No change

Question 13

If the FOV is increased what happens to the spatial resolution?

Answer 13

Decreases

Question 14

If the FOV is increased what happens to the SAR?

Answer 14

No change

Question 15

If the NEX is increased, what happens to the SNR?

Answer 15

Increases

Question 16

If the NEX is increased, what happens to the scan time?

Answer 16

Increases

Question 17

If the NEX is increased, what happens to the SAR?

Answer 17

Increases

Question 18

If the ETL is increased, what happens to the SNR?

Answer 18

Decreases

Question 19

If the ETL is increased, what happens to the scan time?

Answer 19

Decreases

Question 20

If the ETL is increased, what happens to the SAR?

Answer 20

Increases

Question 21

If the TI is increased, what happens to the SNR?

Answer 21

Decreases

Question 22

If the TI increases, what happens to the scan time?

Answer 22

Increases to due to TR increasing

Question 23

If the phase matrix is increased, what happens to the SNR?

Answer 23

Decreases

Question 24

If the phase matrix is increased, what happens to the scan time?

Answer 24

Increases

Question 25

If the phase matrix increases, what happens to the spatial resolution?

Answer 25

Increases

Question 26

If the phase matrix increases, what happens to the SAR?

Answer 26

Increases

Question 27

If the flip angle is increased, what happens to the SNR?

Answer 27

Increases

Question 28

If the flip angle is increased, what happens to the scan time?

Answer 28

No change

Question 29

If the flip angle is increased, what happens to the SAR?

Answer 29

Increases

Question 30

If the rBw is increased, what happens to the SAR?

Answer 30

Decreases

Question 31

If the rBw is increased, what happens to the scan time?

Answer 31

Decreases

Question 32

If the slice thickness is increased, what happens to the SNR?

Answer 32

Increases

Question 33

If the slice thickness is increased, what happens to the scan time?

Answer 33

No change

Question 34

If the slice thickness is increased what happens to the spatial resolution?

Answer 34

Decreases

Question 35

If the slice thickness is increased, what happens to the SAR?

Answer 35

No change

Question 36

If the # of slices acquired is increased, what happens to the SNR?

Answer 36

No change

Question 37

If the # of slices acquired is increased, what happens to the scan time?

Answer 37

Increases due to TR increasing

Question 38

If the # of slices acquired is increased what happens to the SAR?

Answer 38

Increases