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Basic Ultrasound Physics Review

Quiz by Megan Baumann

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32 questions
Show answers
  • Q1
    Period and frequency have what type of relationship?
    Inverse
    Unrelated
    Direct
    60s
  • Q2
    Particles in a sound wave that vibrate back and forth parallel to the axis of the sound beam is what type of wave?
    Mechanical
    Electric
    Transverse
    Longitudinal
    60s
  • Q3
    Two waves of the same frequency that have compressions at different times and locations results in:
    Both constructive and destructive
    Neither constructive or destructive
    Destructive interference
    Constructive interference
    60s
  • Q4
    As the density of a medium increases, what happnens to propagation speed?
    Decreases
    Remains Unchanged
    Increases
    60s
  • Q5
    The number of pulses per second is the:
    Duty factor
    PRP
    PRF
    Period
    60s
  • Q6
    What type of relationship do power and intensity have?
    Unrelated
    Inversely related
    Directly related
    60s
  • Q7
    Power is equal to
    Amplitude squared
    Intensity squared
    Half the amplitude
    Intensity x amplitude
    60s
  • Q8
    Which of the following statements is true?
    Deep imaging, Low PRF, high duty factor
    Deep imaging, High PRF, High duty factor
    Shallow imaging, High PRF, High duty factor
    Shallow imaging, Low PRF, Low Duty factor
    60s
  • Q9
    Spatial Pulse length is equal to:
    Period x # of cycles
    Period x Wavelength
    Wavelength / #number of cycles
    Wavelength x # of cycles
    60s
  • Q10
    Which intensity is most relevant to bioeffects?
    SPPA
    SATA
    SPTA
    SAPA
    60s
  • Q11
    Which of the following is in increasing order of intensity?
    SATA, SPPA, SPTP SAPA
    SPTP, SPPA, SPTA, SATA
    SPPA, SATA, SPTA, SPTP
    SATA, SPTA, SPPA, SPTP
    60s
  • Q12
    Which of the following is true regarding continuous wave transducers?
    SATA = SAPA
    SPTP=SAPA
    SPPA = SPTP
    60s
  • Q13
    Which type of reflection occurs at an irregular interface?
    Disorganized
    Specular
    Backscatter
    Rayleigh
    60s
  • Q14
    In soft tissue, sound travels to a reflector and back to the transducer in 52 microseconds. What is the total distance traveled?
    4mm
    8mm
    4cm
    8cm
    60s
  • Q15
    T/F: Backing material increases sensitivity
    False
    True
    60s

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