Ultrasound Physics Ch. 2 - 6

42 Questions | Total Attempts: 2356

SettingsSettingsSettings
Please wait...
Ultrasound Physics Quizzes & Trivia

An extra help for those of you who are studying for the SPI. It will be based on chapters 2 - 6


Questions and Answers
  • 1. 
    Sound waves carry energy
    • A. 

      True

    • B. 

      False

  • 2. 
    Sound waves are longitudinal waves sound travels in a straight line
    • A. 

      True

    • B. 

      False

  • 3. 
    What are the acousitic variables?
    • A. 

      Pressure, density, distance

    • B. 

      Period, frequency, amplitude, power, intensity, wavelength, propagation speed

  • 4. 
    What are the acoustic parameters?
    • A. 

      Pressure density distance

    • B. 

      Period frequency amplitude power intensity wavelength propagation speed

  • 5. 
    A pair of waves are considered out of phase when their peaks occur at the same time and location
    • A. 

      True

    • B. 

      False

  • 6. 
    Infrasound is?
    • A. 

    • B. 

      Between 20 Hz & 20 kHz

    • C. 

      >20 kHz

  • 7. 
    Period and frequency are determined by?
    • A. 

      Sound source

    • B. 

      Sound source and medium

    • C. 

      Medium

  • 8. 
    Period and frequency are
    • A. 

      Inversely

    • B. 

      Directly

    • C. 

      Proportional

    • D. 

      Reciprocal

  • 9. 
    Amplitude has which units?
    • A. 

      Acoustic variables

    • B. 

      Watts

    • C. 

      Energy

  • 10. 
    Amplitude , power, intensity are determined by the
    • A. 

      Medium

    • B. 

      Sound source

    • C. 

      Both sound source and medium

  • 11. 
    Amplitude, power, intensity are not adjustable
    • A. 

      True

    • B. 

      False

  • 12. 
    Wavelength is determined by
    • A. 

      Sound source

    • B. 

      Medium

    • C. 

      Both

  • 13. 
    As frequency increases, wavelength decreases
    • A. 

      True

    • B. 

      False

  • 14. 
    Which type of wavelength sound produces higher quality images with greater detail?
    • A. 

      Short

    • B. 

      Long

    • C. 

      Either one

  • 15. 
    Propagation speed is determined by
    • A. 

      Sound source

    • B. 

      Medium

    • C. 

      Both

  • 16. 
    What is the speed in liver?
    • A. 

      1540 m/s

    • B. 

      1450 m/s

    • C. 

      1560 m/s

    • D. 

      3500 m/s

  • 17. 
    If the power of a wave is tripled the intensity is reduced to one third
    • A. 

      True

    • B. 

      False

  • 18. 
    The effects of sound waves on tissue in the body are called?
    • A. 

      Acoustic propagation properties

    • B. 

      Bioeffects

  • 19. 
    The start of a pulse to the end of that pulse is reffering to ....
    • A. 

      Spatial pulse length

    • B. 

      Pulse repition period

    • C. 

      Pulse repition frequency

    • D. 

      Dulse duration

  • 20. 
    What is pulse duration's formula?
    • A. 

      # of cycles x wavelength / frequency

    • B. 

      Has no formula

    • C. 

      # of cycles x wavelength

    • D. 

      # of cycles / frequency

  • 21. 
    Pulse duration is directly related to the frequency
    • A. 

      True

    • B. 

      False

  • 22. 
    What is spatial pulse length definition?
    • A. 

      Distance that a pulse occupies in space from start to the end of a pulse

    • B. 

      Time that a pulse occupies in space from start to the end of a pulse

    • C. 

      Time from the start of a pulse to the start of the next pulse

    • D. 

      The number of pulses that an ultrasound system transmits into the body each second

  • 23. 
    Is pulse repition period (PRP) adjustable?
    • A. 

      Yes

    • B. 

      No

  • 24. 
    Depth of view describes the minimum distance into the body that an ultrasound system is imaging
    • A. 

      True

    • B. 

      False

  • 25. 
    How are PRP and depth related?
    • A. 

      Directly

    • B. 

      Inversly

    • C. 

      No relationship

Back to Top Back to top