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Practice Set (3) - Image Weighting and Contrast

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Diploma Magnetic Resonance Quiz on Practice Set (3) - Image Weighting and Contrast, created by Thea Ampofo on 24/01/2016.
Thea Ampofo
Quiz by Thea Ampofo, updated more than 1 year ago
Thea Ampofo
Created by Thea Ampofo over 8 years ago
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Question 1

Question
MRI images that are based on the differences in longitudinal relaxation characteristics of tissues are known as
Answer
  • Tl weighted images
  • T2 weighted images
  • Proton density weighted images
  • Transitional images

Question 2

Question
MRI images that are based on the differences in the amount of hydrogen nuclei in tissues are known as
Answer
  • TI weighted images
  • T2 weighted images
  • Proton density weighted images
  • Transitional images

Question 3

Question
MRl images that are based on the differences in the transverse relaxation characteristics of tissues are known as
Answer
  • TI weighted images
  • T2 weighted images
  • Proton density weighted images
  • Spin density weighted images

Question 4

Question
The image parameter that primarily affects TI weighting is
Answer
  • Echo time
  • Inversion time
  • Repetition time
  • None of the above

Question 5

Question
The image parameter that primarily affects T2 weighting is
Answer
  • Echo time
  • Inversion time
  • Repetition time
  • None of the above

Question 6

Question
In a TI weighted image, a short TR is used to
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 7

Question
In a T2 weighted image, a long TR is used to
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 8

Question
In a T2 weighted image, a long TE is used to
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 9

Question
In a T1 weighted image, a short TE is used
Answer
  • Maximize T2 effects
  • Minimize T2 effects
  • Maximize T1 effects
  • Minimize T1 effects

Question 10

Question
In a T1 weighted image, tissues with short T1 relaxation times produce what type of signal
Answer
  • High
  • Low
  • Intermediate
  • None of the above

Question 11

Question
In a Tl weighted image, tissues with long Tl relaxation times produce what type of signal?
Answer
  • High
  • Low
  • Intermediate
  • None of the above

Question 12

Question
In a T2 weighted image, tissues with short T2 relaxation times appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 13

Question
In a T2 weighted image, tissues with long T2 relaxation times appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 14

Question
In a proton density weighted image, tissues with a high number of hydrogen nuclei appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 15

Question
In a proton density weighted image, tissues with a low number of hydrogen nuclei appear
Answer
  • Hyperintense
  • Hypointense
  • Isointense
  • None of the above

Question 16

Question
In biological tissue, which type of relaxation occurs the quickest?
Answer
  • T2 relaxation
  • T2* relaxation
  • Tl relaxation
  • None of the above

Question 17

Question
Longitudinal relaxation occurs more efficiently in which type of tissue?
Answer
  • Water
  • Fat
  • Muscle
  • Cortical bone

Question 18

Question
In a Tl weighted image, fat has a _____ Tl relaxation time and therefore appears _____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 19

Question
In a Tl weighted image, CSF has a ____ Tl relaxation time and therefore appears _____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 20

Question
In a T2 weighted image, fat has a ____ T2 relaxation time and therefore appears _____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 21

Question
In a T2 weighted image, CSF has a ____ T2 relaxation time and therefore appears ____
Answer
  • Long, Bright
  • Long, Dark
  • Short, Dark
  • Short, Bright

Question 22

Question
A spin echo image with a long TR and a short TE is known as what type of image?
Answer
  • T1 weighted image
  • Proton density weighted image
  • Spin density weighted image
  • Proton density weighted image & Spin density weighted image

Question 23

Question
A spin echo image with a long TR and a long TE is known as what type of unage?
Answer
  • T1 weighted image
  • Proton density weighted image
  • T2 weighted image
  • Spin density weighted image

Question 24

Question
A spin echo image with a short TR and a short TE is known as what type of iInage?
Answer
  • Tl weighted image
  • T2 weighted image
  • Proton density weighted image
  • None of the above

Question 25

Question
Another name for a proton density weighted image is
Answer
  • Spin density
  • Intermediate
  • Inversion recovery
  • Spin density & Intermediate

Question 26

Question
On a TI weighted image of the brain, fat appears ____ to white matter.
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 27

Question
On a TI weighted image of the brain, white matter appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 28

Question
On a TI weighted image of the brain, grey matter appears to CSF
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 29

Question
On a TI weighted image of the brain, CSF appears _____ to fat
Answer
  • Hyperintense
  • Hypointense
  • lsointense

Question 30

Question
On a proton density weighted image of the brain, white matter appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 31

Question
On a proton density weighted image of the brain, CSF appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 32

Question
On a T2 weighted image of the brain, CSF appears ____ to grey matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 33

Question
On a T2 weighted image of the brain, grey matter appears ____ to white matter
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 34

Question
On a TI weighted image of the knee, cortical bone appears ____ to all other tissues
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 35

Question
On a TI weighted image of the knee, bone marrow appears ____ to meniscal tissues.
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 36

Question
On a Tl weighted image of the spine, the intervertebral disk appears ____ to spinal cord.
Answer
  • Hyperintense
  • Hypointense
  • Isointense

Question 37

Question
On a T2 weighted image of the spine, the intervertebral disk appears ____ to the spinal cord
Answer
  • Hyperintense
  • Hypointense
  • lsointense

Question 38

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time of fat is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 39

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time of fat is
Answer
  • 40 ms
  • 50 ms
  • 80 ms
  • 90 ms

Question 40

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time of liver tissue is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 41

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time of liver tissue is
Answer
  • 40 ms
  • 50 ms
  • 60 ms
  • 70 ms

Question 42

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for spleen tissue is
Answer
  • 360 ms
  • 380 ms
  • 400 ms
  • 480 ms

Question 43

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for spleen tissue is
Answer
  • 60 ms
  • 80 ms
  • 90 ms
  • 100 ms

Question 44

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for grey matter is
Answer
  • 390 ms
  • 450 ms
  • 520 ms
  • 620 ms

Question 45

Question
At a field strength of l.0 tesla, the approximate T2 relaxation time for grey matter is
Answer
  • 70 ms
  • 80 ms
  • 90 ms
  • 100 ms

Question 46

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for white matter is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 47

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for white matter is
Answer
  • 80 ms
  • 90 ms
  • 100 ms
  • 140 ms

Question 48

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for renal cortex tissue is
Answer
  • 180 ms
  • 270 ms
  • 360 ms
  • 390 ms

Question 49

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for renal cortex tissue is
Answer
  • 45 ms
  • 50 ms
  • 60 ms
  • 70 ms

Question 50

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for muscle tissue is
Answer
  • 270 ms
  • 480 ms
  • 600 ms
  • 680 ms

Question 51

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for muscle tissue is
Answer
  • 40 ms
  • 70 ms
  • 80 ms
  • 100 ms

Question 52

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time for renal medulla tissue is
Answer
  • 520 ms
  • 600 ms
  • 680 ms
  • 800 ms

Question 53

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for renal medulla tissue is
Answer
  • 90 ms
  • 100 ms
  • 140 ms
  • 300 ms

Question 54

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time for blood is
Answer
  • 540 ms
  • 680 ms
  • 800 ms
  • 1000 ms

Question 55

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for blood is
Answer
  • 140 ms
  • 180 ms
  • 240 ms
  • 300 ms

Question 56

Question
At a field strength of 1.0 tesla, the approximate Tl relaxation time for CSF is
Answer
  • 800 ms
  • 1000 ms
  • 2000 ms
  • 2500 ms

Question 57

Question
At a field strength of 1.0 tesla, the approximate T2 relaxation time for CSF is
Answer
  • 70 ms
  • 100 ms
  • 180 ms
  • 300 ms

Question 58

Question
At a field strength of 1.0 tesla, the approximate T1 relaxation time for water is
Answer
  • 800 ms
  • 1000 ms
  • 2000 ms
  • 2500 ms

Question 59

Question
At a field strength of 1.0 tes1a, the approximate T2 relaxation time for water is
Answer
  • 800 ms
  • 1000 ms
  • 2000 ms
  • 2500ms

Question 60

Question
Figure 3-1 displays which type of relaxation curve?
Image:
e003dbbd-cb74-4853-8551-24f852d87aa5 (image/jpeg)
Answer
  • T1 Relaxation curve
  • T2 relaxation curve
  • Inversion recovery curve

Question 61

Question
Figure 3-2 displays which type of relaxation curve?
Image:
d3160a05-d248-4ed3-adfc-30b0adaead00 (image/jpeg)
Answer
  • TI relaxation curve
  • T2 relaxation curve
  • Inversion recovery curve

Question 62

Question
Figure 3-3 displays which type of relaxation curve?
Image:
3950097e-a467-472b-a3c9-94efaadabec5 (image/jpeg)
Answer
  • T1 relaxation curve
  • T2 relaxation curve
  • Inversion recovery curve

Question 63

Question
In Figure 3-4, at a TR of 200, which of the following tissues has the greatest signal intensity?
Image:
302d45b1-8f91-4832-92a3-9c0e1f67d556 (image/jpeg)
Answer
  • Tissue A
  • Tissue B
  • Tissue C

Question 64

Question
In figure 3-5, at a TE of 90, which of the following tissues has the greatest signal intensity?
Image:
7eabf63f-f9d5-4802-8253-38bdd594e5d4 (image/jpeg)
Answer
  • Tissue A
  • Tissue B
  • Tissue C

Question 65

Question
Figure 3-6 displays which type of relaxation curve?
Image:
740d2fac-545d-4e0d-bfce-58b09517ec3a (image/jpeg)
Answer
  • T1 relaxation curve
  • Inversion recovery curve
  • T2 relaxation curve
  • T2* relaxation curve
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