Mock 1.2

15 Questions

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Mock Test Quizzes & Trivia

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Questions and Answers
  • 1. 
    The timing diagram is a graphic depiction of the __________ between pulses.
    • A. 

      Height and width

    • B. 

      Size and shape

    • C. 

      Time and date

    • D. 

      Order and timing

  • 2. 
    The time between 90° RF pulses is known as the __________.
    • A. 

      Repettion time (TR)

    • B. 

      Echo time (TE)

    • C. 

      Inversion time (TI)

    • D. 

      Flip angle (φ)

  • 3. 
    The top line of the diagram (Slide 5) represents the timing of the __________.
    • A. 

      Slice selection gradient

    • B. 

      Phase encoding gradient

    • C. 

      Frequency encoding gradient

    • D. 

      RF pulses

  • 4. 
    The second line of the timing diagram represents the timing of the __________.
    • A. 

      Slice selection gradient

    • B. 

      Phase encoding gradient

    • C. 

      Frequency encoding gradient

    • D. 

      RF pulses

  • 5. 
    The third line of the timing diagram represents the __________.
    • A. 

      Slice selection gradient

    • B. 

      Phase encoding gradient

    • C. 

      Frequency encoding gradient

    • D. 

      RF pulses

  • 6. 
    The fourth line of the timing diagram represents the __________.
    • A. 

      Slice selection gradient

    • B. 

      Phase encoding gradient

    • C. 

      Frequency encoding gradient

    • D. 

      RF pulses

  • 7. 
    TR is generally chosen by the amount of __________ desired on the MR image.
    • A. 

      T1 contrast

    • B. 

      T2 contrast

    • C. 

      T2* contrast

    • D. 

      PD contrast

  • 8. 
    As TR increases, __________.
    • A. 

      Scan time decreases

    • B. 

      Scan time increases

    • C. 

      Scan time stays the same

    • D. 

      Scan time is not affected by TR

  • 9. 
    As TR increases, __________.
    • A. 

      SNR decreases

    • B. 

      SNR increases

    • C. 

      SNR stays the same

    • D. 

      SNR is not affected by TR

  • 10. 
    As TR increases, __________.
    • A. 

      # slices decreases

    • B. 

      # slices increases

    • C. 

      # slices stays the same

    • D. 

      # slices is not affected by TR

  • 11. 
    The time between the 90° pulse and formation of the echo is known as the __________.
    • A. 

      Repetition time (TR)

    • B. 

      Echo time (TE)

    • C. 

      Inversion time (TI)

    • D. 

      Flip angle (φ)

  • 12. 
    The loss of signal noted from the FID to the echo is the result of T2 decay and __________.
    • A. 

      T1 recovery

    • B. 

      Inhomogenieties

    • C. 

      Chemical shift

    • D. 

      B & c

  • 13. 
    As TE increases, __________.
    • A. 

      Scan time decreases

    • B. 

      Scan time increases

    • C. 

      Scan time stays the same

    • D. 

      TR increases

  • 14. 
    As TE increases, __________.
    • A. 

      SNR decreases

    • B. 

      SNR increases

    • C. 

      SNR stays the same

    • D. 

      Noise increases

  • 15. 
    As TE increases, __________.
    • A. 

      # slices decreases

    • B. 

      # slices increases

    • C. 

      # slices stays the same

    • D. 

      # slices is not affected by TR