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RDT 116 - MIDTERMS
40問 • 1年前
  • ischial tiberosity
    • 通報

    問題一覧

  • 1

    z gradient

    maxwell

  • 2

    What is the purpose of RF transmitter

    Transmits rf energy to excite the nucleus

  • 3

    Gold Standard Pulse Sequence

    spin echo

  • 4

    Signal to noise relationship

    Cleared and more detailed images

  • 5

    Detecting For early stroke

    DWI

  • 6

    provide better homogeneity of the RF in the area of interest, commonly used for imaging of the knee. what coil?

    Paired Saddle Coil

  • 7

    Purpose of faraday cage

    Shielding against RF interference

  • 8

    What happens during MRI quench?

    Liquid cryogen would evaporate

  • 9

    Which term refers to an item that poses no hazard

    MR Safe

  • 10

    What is the role of DTI?

    Location and orientation of your white matter plaques

  • 11

    Which imaging technique suppresses your csf?

    FLAIR

  • 12

    What is the key disadvantage of FSE fast spin echo?

    Prone to imaging artifacts because its fast

  • 13

    The contrast agent of gadolinium?

    B. manganese?

  • 14

    How does an increase in repetition time affect your signal to noise?

    Increases SNR

  • 15

    Purpose of fat suppression technique like STIR (short tau inversion recovery)

    Suppressing from adipose tissue

  • 16

    Which coil offers the best RF homogeneity

    Bird cage (for large body parts)

  • 17

    What plane is X gradient

    Sagittal

  • 18

    What is the primary function of gradient coils?

    To provide spatial encoding of the MR signals

  • 19

    Factor that directly increases the voxel

    Increase Slice thickness

  • 20

    Flip angle

    Increases SNR

  • 21

    Pulse sequence involving 180° inversion followed by 90 deg pulse

    Inversion Recovery

  • 22

    Which mri technique used to evaluate blood oxygen levels

    Bold Imaging

  • 23

    Suppress fat

    STIR

  • 24

    What is the cause of multiple sclerosis

    DIR

  • 25

    Primary purpose of gadolinium

    Shorten the T1 of relaxation time

  • 26

    Combination of several fat suppression

    Dixon

  • 27

    Most common adverse reaction

    Headache

  • 28

    Unwanted currents

    Eddy Currents

  • 29

    Dangerous projectiles that contains missile effect

    D

  • 30

    Artifacts from patient move

    Ghosting

  • 31

    Pulse sequence primarily used for mri

    Bold Imaging

  • 32

    Term for the collection of all signals

    K Shell

  • 33

    Imaging turbulent blood flow

    Fast Gradient Recoil Echo

  • 34

    Significance of t1 relaxation

    Longitudinal Relaxation

  • 35

    Influencing the other t of your t2 relaxation

    Spin Spin

  • 36

    Increase Echo Time

    Increase t2 weighted contrast

  • 37

    Freezes motion in cardiac mri

    Echo Planar Imaging

  • 38

    Made application of EPI

    Dynamic …

  • 39

    External source of RF

    RF Interference

  • 40

    If quench does occur

    Evacuate

    • RDT 115 - MIDTERMS

    RDT 115 - MIDTERMS

    ischial tiberosity · 52問 · 1年前

    RDT 115 - MIDTERMS

    RDT 115 - MIDTERMS

    52問 • 1年前
    ischial tiberosity

    RDT 115 - FINALS

    RDT 115 - FINALS

    ischial tiberosity · 31問 · 1年前

    RDT 115 - FINALS

    RDT 115 - FINALS

    31問 • 1年前
    ischial tiberosity

    RDT 116 - FINALS

    RDT 116 - FINALS

    ischial tiberosity · 30問 · 1年前

    RDT 116 - FINALS

    RDT 116 - FINALS

    30問 • 1年前
    ischial tiberosity

    問題一覧

  • 1

    z gradient

    maxwell

  • 2

    What is the purpose of RF transmitter

    Transmits rf energy to excite the nucleus

  • 3

    Gold Standard Pulse Sequence

    spin echo

  • 4

    Signal to noise relationship

    Cleared and more detailed images

  • 5

    Detecting For early stroke

    DWI

  • 6

    provide better homogeneity of the RF in the area of interest, commonly used for imaging of the knee. what coil?

    Paired Saddle Coil

  • 7

    Purpose of faraday cage

    Shielding against RF interference

  • 8

    What happens during MRI quench?

    Liquid cryogen would evaporate

  • 9

    Which term refers to an item that poses no hazard

    MR Safe

  • 10

    What is the role of DTI?

    Location and orientation of your white matter plaques

  • 11

    Which imaging technique suppresses your csf?

    FLAIR

  • 12

    What is the key disadvantage of FSE fast spin echo?

    Prone to imaging artifacts because its fast

  • 13

    The contrast agent of gadolinium?

    B. manganese?

  • 14

    How does an increase in repetition time affect your signal to noise?

    Increases SNR

  • 15

    Purpose of fat suppression technique like STIR (short tau inversion recovery)

    Suppressing from adipose tissue

  • 16

    Which coil offers the best RF homogeneity

    Bird cage (for large body parts)

  • 17

    What plane is X gradient

    Sagittal

  • 18

    What is the primary function of gradient coils?

    To provide spatial encoding of the MR signals

  • 19

    Factor that directly increases the voxel

    Increase Slice thickness

  • 20

    Flip angle

    Increases SNR

  • 21

    Pulse sequence involving 180° inversion followed by 90 deg pulse

    Inversion Recovery

  • 22

    Which mri technique used to evaluate blood oxygen levels

    Bold Imaging

  • 23

    Suppress fat

    STIR

  • 24

    What is the cause of multiple sclerosis

    DIR

  • 25

    Primary purpose of gadolinium

    Shorten the T1 of relaxation time

  • 26

    Combination of several fat suppression

    Dixon

  • 27

    Most common adverse reaction

    Headache

  • 28

    Unwanted currents

    Eddy Currents

  • 29

    Dangerous projectiles that contains missile effect

    D

  • 30

    Artifacts from patient move

    Ghosting

  • 31

    Pulse sequence primarily used for mri

    Bold Imaging

  • 32

    Term for the collection of all signals

    K Shell

  • 33

    Imaging turbulent blood flow

    Fast Gradient Recoil Echo

  • 34

    Significance of t1 relaxation

    Longitudinal Relaxation

  • 35

    Influencing the other t of your t2 relaxation

    Spin Spin

  • 36

    Increase Echo Time

    Increase t2 weighted contrast

  • 37

    Freezes motion in cardiac mri

    Echo Planar Imaging

  • 38

    Made application of EPI

    Dynamic …

  • 39

    External source of RF

    RF Interference

  • 40

    If quench does occur

    Evacuate