CT Review :)

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CT Review :)

CT Review questions

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Questions and Answers
  • 1. 
    The kidneys are usually located anatomically between which vertebrae?
    • A. 

      T6 AND L2

    • B. 

      T12 AND L3

    • C. 

      L2 AND L4

    • D. 

      L3 AND S1

  • 2. 
    As a solid-state CT detector measures transmitted radiation, it emits a proportional response in the form of a(n)
    • A. 

      Digital signal

    • B. 

      Quantity of gas ions

    • C. 

      Analog signal

    • D. 

      Modulation transfer function

  • 3. 
    Ischemic brain tissue is identified as an infract core when cerebral blood volume (CBV) falls below
    • A. 

      2.5 ml/100g

    • B. 

      5.0 ml/100g

    • C. 

      10.0 ml/100g

    • D. 

      50.0ml.100g

  • 4. 
    The period of peak hepatic parenchymal enhancement following rapid bolus injection of iodinated contrast is termed the
    • A. 

      Equilibrium phase

    • B. 

      Portal venous phase

    • C. 

      Arterial phase

    • D. 

      Nephrographic phase

  • 5. 
    Number 1 corresponds to which of the following?
    Number 1 corresponds to which of the following?
    • A. 

      Illiopsoas muscles

    • B. 

      Sartorius muscle

    • C. 

      Gluteus minimus muscle

    • D. 

      Rectus femoris muscle

  • 6. 
    An image was produced with a 1.0mm aperture size and was displayed using a 512^2 matrix and a 15-cm DFOV. The voxel dimension for this image would be
    Discuss
    • A. 

      0.29mm x 0.29mm x 1.0mm

    • B. 

      02.9mm x 2.9mm x 1.0mm

    • C. 

      3.4mm x 3.4mm x 1.0mm

    • D. 

      0.29mm x 0.29mm x 1.0cm

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