Mock 2.6

15 Questions

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Mock Test Quizzes & Trivia

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Questions and Answers
  • 1. 
    FSE images are acquired by filling __________ of k space in each TR period.
    • A. 

      One line

    • B. 

      Multiple lines

    • C. 

      No lines

    • D. 

      All lines

  • 2. 
    The "Effective TE", or "Target TE" is the echo that is encoded for the __________ most portion of k-space.
    • A. 

      Outer

    • B. 

      Lower

    • C. 

      Upper

    • D. 

      Central

  • 3. 
    FSE image blurring increases as the effective TE __________.
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Stays the same

    • D. 

      Doubles

  • 4. 
    Using a short effective TE places the early echoes in the train in __________ of k-space.
    • A. 

      Central portion

    • B. 

      Top line

    • C. 

      Bottom line

    • D. 

      Anywhere

  • 5. 
    When a long effective TE is used, it should be used in combination with a __________ and when a short TE is used, it should be used in combination with a __________.
    • A. 

      Long ETL / long ETL

    • B. 

      Short ETL / short ETL

    • C. 

      Short ETL / long ETL

    • D. 

      Long ETL / short ETL

  • 6. 
    Inversion recovery sequences were initially utilized to acquire images with very strong __________.
    • A. 

      T1 weighting

    • B. 

      T2 weighting

    • C. 

      T2* weighting

    • D. 

      PD weighting

  • 7. 
    In general, inversion sequences begin with a 180 degree RF pulse to invert Mz. After the inversion there is an operator specified delay time known as the __________.
    • A. 

      TR

    • B. 

      TE

    • C. 

      TI

    • D. 

      Flip angle

  • 8. 
    An inversion sequence that utilizes a short TI is often referred to as __________.
    • A. 

      STIR

    • B. 

      FLAIR

    • C. 

      FSE

    • D. 

      EPI

  • 9. 
    STIR sequences are generally used to suppress the signal from __________.
    • A. 

      Fat

    • B. 

      Water

    • C. 

      CSF

    • D. 

      B & c

  • 10. 
    FLAIR sequences are generally used to suppress the signal from __________.
    • A. 

      Fat

    • B. 

      Water

    • C. 

      Gray matter

    • D. 

      CSF

  • 11. 
    FLAIR sequences are useful for demonstrating __________.
    • A. 

      Stokes

    • B. 

      Infections

    • C. 

      White matter disease

    • D. 

      All of the above

  • 12. 
    At 1.5T, STIR sequences generally use TI times of __________.
    • A. 

      150 ms

    • B. 

      750 ms

    • C. 

      2000 ms

    • D. 

      None of the above

  • 13. 
    At 1.5T, FLAIR sequences generally use TI times of __________.
    • A. 

      150 ms

    • B. 

      750 ms

    • C. 

      2000 ms

    • D. 

      None of the above

  • 14. 
    At 1.5T, IR sequences used for the evaluation of pediatric brains generally use TI times of __________.
    • A. 

      150 ms

    • B. 

      750 ms

    • C. 

      2000 ms

    • D. 

      None of the above

  • 15. 
    Conventional SE sequences can acquire T2 or PD contrast with __________ selections.
    • A. 

      Long TR

    • B. 

      Short TR

    • C. 

      Large flip angle

    • D. 

      Long TI times