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CONTRAST
27問 • 3ヶ月前
  • 21harmorhe
    • 通報

    問題一覧

  • 1

    Increase kVp

    Decrease contrast

  • 2

    Decrease kVp

    Increase contrast

  • 3

    Increased mAs

    No effect on contrast but IR exposure must be adequate

  • 4

    Decreased mAs

    No effect on contrast but IR exposure must be adequate

  • 5

    Focal spot size changes

    No effect on contrast

  • 6

    Anode heel effect

    No effect on contrast

  • 7

    Increased SID

    No effect on contrast but IR exposure must be adequate

  • 8

    Increase OID

    Increase contrast

  • 9

    Decrease OID

    Decrease contrast

  • 10

    Increased filteration

    Decrease contrast

  • 11

    Decrease filteration

    Increase contrast

  • 12

    Increased beam restriction/collimation (field size is smaller)

    Increase contrast

  • 13

    Decrease beam restriction/collimation (field size is larger)

    Decrease contrast

  • 14

    Increase amount of irradiated tissue (more matter=more scatter)

    Decrease contrast

  • 15

    Decrease amount of irradiated tissue (less matter=less scatter)

    Increase contrast

  • 16

    Increasing differences between the atomic number of tissues (bone vs air)

    Increase contrast

  • 17

    Decreasing differences between the atomic number of the tissues (muscle vs fat)

    Decrease contrast

  • 18

    Increasing density of tissue (bone)

    Decrease contrast

  • 19

    Decrease density of tissue (muscle/fat)

    Increase contrast

  • 20

    Use of contrast media

    Increase contrast

  • 21

    Additive pathological conditions (adds to patient thickness)

    Decrease contrast

  • 22

    Destructive pathological conditions (decreases patient thickness)

    Increase contrast

  • 23

    Increase grid ratio

    Increase contrast

  • 24

    Decrease grid ratio

    Decrease contrast

  • 25

    Increasing scatter

    Decrease contrast

  • 26

    When contrast increases

    Less scatter reaches the IR

  • 27

    When contrast decreases

    More scatter reaches the IR

    • unit 2

    unit 2

    21harmorhe · 24問 · 4ヶ月前

    unit 2

    unit 2

    24問 • 4ヶ月前
    21harmorhe

    Abdominal Cavity’s

    Abdominal Cavity’s

    21harmorhe · 29問 · 4ヶ月前

    Abdominal Cavity’s

    Abdominal Cavity’s

    29問 • 4ヶ月前
    21harmorhe

    Quadrants and organs within them

    Quadrants and organs within them

    21harmorhe · 21問 · 4ヶ月前

    Quadrants and organs within them

    Quadrants and organs within them

    21問 • 4ヶ月前
    21harmorhe

    Abdominal regions

    Abdominal regions

    21harmorhe · 22問 · 3ヶ月前

    Abdominal regions

    Abdominal regions

    22問 • 3ヶ月前
    21harmorhe

    Abdominal regions 2

    Abdominal regions 2

    21harmorhe · 9問 · 3ヶ月前

    Abdominal regions 2

    Abdominal regions 2

    9問 • 3ヶ月前
    21harmorhe

    Upper extremity

    Upper extremity

    21harmorhe · 54問 · 3ヶ月前

    Upper extremity

    Upper extremity

    54問 • 3ヶ月前
    21harmorhe

    Intro unit 2

    Intro unit 2

    21harmorhe · 44問 · 3ヶ月前

    Intro unit 2

    Intro unit 2

    44問 • 3ヶ月前
    21harmorhe

    Hand and wrist pathology

    Hand and wrist pathology

    21harmorhe · 13問 · 3ヶ月前

    Hand and wrist pathology

    Hand and wrist pathology

    13問 • 3ヶ月前
    21harmorhe

    Procedures joints

    Procedures joints

    21harmorhe · 22問 · 3ヶ月前

    Procedures joints

    Procedures joints

    22問 • 3ヶ月前
    21harmorhe

    Joints and their structure

    Joints and their structure

    21harmorhe · 14問 · 3ヶ月前

    Joints and their structure

    Joints and their structure

    14問 • 3ヶ月前
    21harmorhe

    long bone

    long bone

    21harmorhe · 21問 · 3ヶ月前

    long bone

    long bone

    21問 • 3ヶ月前
    21harmorhe

    Upper extremity positioning

    Upper extremity positioning

    21harmorhe · 18問 · 3ヶ月前

    Upper extremity positioning

    Upper extremity positioning

    18問 • 3ヶ月前
    21harmorhe

    Imaging midterm

    Imaging midterm

    21harmorhe · 66問 · 3ヶ月前

    Imaging midterm

    Imaging midterm

    66問 • 3ヶ月前
    21harmorhe

    Imaging equations

    Imaging equations

    21harmorhe · 16問 · 3ヶ月前

    Imaging equations

    Imaging equations

    16問 • 3ヶ月前
    21harmorhe

    Intro ch 9

    Intro ch 9

    21harmorhe · 77問 · 3ヶ月前

    Intro ch 9

    Intro ch 9

    77問 • 3ヶ月前
    21harmorhe

    Dose limits

    Dose limits

    21harmorhe · 12問 · 3ヶ月前

    Dose limits

    Dose limits

    12問 • 3ヶ月前
    21harmorhe

    Intro ch9

    Intro ch9

    21harmorhe · 8問 · 3ヶ月前

    Intro ch9

    Intro ch9

    8問 • 3ヶ月前
    21harmorhe

    Intro 9 Regulatory agency

    Intro 9 Regulatory agency

    21harmorhe · 6問 · 3ヶ月前

    Intro 9 Regulatory agency

    Intro 9 Regulatory agency

    6問 • 3ヶ月前
    21harmorhe

    Intro 9

    Intro 9

    21harmorhe · 19問 · 3ヶ月前

    Intro 9

    Intro 9

    19問 • 3ヶ月前
    21harmorhe

    問題一覧

  • 1

    Increase kVp

    Decrease contrast

  • 2

    Decrease kVp

    Increase contrast

  • 3

    Increased mAs

    No effect on contrast but IR exposure must be adequate

  • 4

    Decreased mAs

    No effect on contrast but IR exposure must be adequate

  • 5

    Focal spot size changes

    No effect on contrast

  • 6

    Anode heel effect

    No effect on contrast

  • 7

    Increased SID

    No effect on contrast but IR exposure must be adequate

  • 8

    Increase OID

    Increase contrast

  • 9

    Decrease OID

    Decrease contrast

  • 10

    Increased filteration

    Decrease contrast

  • 11

    Decrease filteration

    Increase contrast

  • 12

    Increased beam restriction/collimation (field size is smaller)

    Increase contrast

  • 13

    Decrease beam restriction/collimation (field size is larger)

    Decrease contrast

  • 14

    Increase amount of irradiated tissue (more matter=more scatter)

    Decrease contrast

  • 15

    Decrease amount of irradiated tissue (less matter=less scatter)

    Increase contrast

  • 16

    Increasing differences between the atomic number of tissues (bone vs air)

    Increase contrast

  • 17

    Decreasing differences between the atomic number of the tissues (muscle vs fat)

    Decrease contrast

  • 18

    Increasing density of tissue (bone)

    Decrease contrast

  • 19

    Decrease density of tissue (muscle/fat)

    Increase contrast

  • 20

    Use of contrast media

    Increase contrast

  • 21

    Additive pathological conditions (adds to patient thickness)

    Decrease contrast

  • 22

    Destructive pathological conditions (decreases patient thickness)

    Increase contrast

  • 23

    Increase grid ratio

    Increase contrast

  • 24

    Decrease grid ratio

    Decrease contrast

  • 25

    Increasing scatter

    Decrease contrast

  • 26

    When contrast increases

    Less scatter reaches the IR

  • 27

    When contrast decreases

    More scatter reaches the IR