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SPI exam 1| 86 questions| with complete solutions
  • SPI exam 1| 86 questions| with complete solutions

  • Exam (elaborations) • 5 pages • 2023
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  • Electronic pulses from the pulser are applied to the CORRECT ANSWERS: Transducer Which of the following is performed by the receiver CORRECT ANSWERS: Amplification, compensation, compression, demodulation The dynamic range of ultrasound system is defined as CORRECT ANSWERS: The ratio of the maximum to the minimum intensity that can be displayed How is Q (quality factor) of a transducer determined CORRECT ANSWERS: Frequency divided by bandwidth The most commonly used man-made crys...
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Flashcard SPI| 180 questions| with complete solutions
  • Flashcard SPI| 180 questions| with complete solutions

  • Exam (elaborations) • 12 pages • 2023
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  • What is a wave? CORRECT ANSWERS: A cyclical Transfer of energy What kind of wave is a sound wave? CORRECT ANSWERS: A mechanical longitudinal wave What are the types of interference? CORRECT ANSWERS: Constructive, Destructive and Partial What is the Classification of Ultrasound? CORRECT ANSWERS: 20 mhz-200Hz What is the classification of Diagnostic Ultrasound? CORRECT ANSWERS: 12mhz-2mhz What is the propagation speed in soft tissue? CORRECT ANSWERS: 1,540 mhz 1.54 m/msec 1...
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SPI REVIEW QUESTIONS: Principals questions with complete solutions
  • SPI REVIEW QUESTIONS: Principals questions with complete solutions

  • Exam (elaborations) • 7 pages • 2023
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  • Which of the following console controls will have NO effect on the dynamic range? A. rejection B. suppression C. compression D. output power CORRECT ANSWERS: D. output power What can be done to improve the visualization of the anterior aortic wall? A. Angle the probe until the ultrasound beam is perpendicular to the aortic wall. B. Angle the probe to create an oblique angle between the probe face and the aortic wall. C. Increase the overall gain. D. Decrease the threshold setti...
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SPI Clinical Safety & Patient Care questions with complete solutions
  • SPI Clinical Safety & Patient Care questions with complete solutions

  • Exam (elaborations) • 20 pages • 2023
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  • What can be done to reduce the Mechanical Index level during an exam? A. reduce output power B. decrease probe frequency C. increase the threshold setting D. use contrast materials on the exam CORRECT ANSWERS: A.) reduce output power All of the following statements are true regarding equipment preparation for beginning an ultrasound exam, except? A. In order to reduce exam time, the proper exam preset must be used for each exam. B. Adjust the height of the chair to allow your wrist...
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SPI Physics Board Review questions with complete solutions
  • SPI Physics Board Review questions with complete solutions

  • Exam (elaborations) • 38 pages • 2023
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  • Metric notations: giga, mega, kilo, hecto, deca, deci, centi, milli, micro, and nano correct answers 10 to the... Giga 9, mega 6, kilo 3, hecto 2, deca 1, deci -1, centi -2, milli -3, micro -6, nano -9 Complimentary metric units: what goes with giga? Mega? Hecto? Deca? correct answers Giga+nano Mega+micro Hecto+centi Deca+deci Sounds must travel though a (blank) it cant travel through a (blank) correct answers Medium, vacuum Sounds is a (blank) wave correct answers Mechan...
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SPI: SOUND WAVES questions and answers
  • SPI: SOUND WAVES questions and answers

  • Exam (elaborations) • 4 pages • 2023
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  • What term is used to describe the effects of an ultrasound wave on living tissues? a. toxic effects b. acoustic propagation properties c. biological effects d. transmission CORRECT ANSWERS: c. As sound travels through a medium, what term describes the effects of the medium on the sound wave? a. toxic effects b. acoustic propagation properties c. bioeffects d. transmission properties CORRECT ANSWERS: b. acoustic means 'sound' propagation means 'travel' Which of the following i...
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SPI- interaction of sound and media questions with answers
  • SPI- interaction of sound and media questions with answers

  • Exam (elaborations) • 4 pages • 2023
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  • Attenuation CORRECT ANSWERS: Its the decrease in intensity, power and amplitude and the sound wave travels through a medium. Is attenuation related to the propagation speed? CORRECT ANSWERS: NO! because although the sound wave in becoming weaker it is still traveling in the same medium therefore the propagation speed (C) remains constant. What are the three components of attenuation? CORRECT ANSWERS: 1. Absorption ( when the energy is turned into heat) 2. Scattering (when the sound tra...
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200/500 Davies Review SPI questions with verified answers
  • 200/500 Davies Review SPI questions with verified answers

  • Exam (elaborations) • 8 pages • 2023
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  • The half intensity depth for a 2MHz transducer in soft tissue is CORRECT ANSWERS: 3cm Attenuation is lowest in which of the following mediums CORRECT ANSWERS: water Increasing frequency will result in all the following except CORRECT ANSWERS: a. range resolution improvement b. transverse resolution improvement c. increase depth of penetration d. decrease in beam diameter Ultrasound transducers utilize which effect upon transmission CORRECT ANSWERS: reverse piezoelectric Ultra...
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Davies Physics SPI questions with complete solutions
  • Davies Physics SPI questions with complete solutions

  • Exam (elaborations) • 3 pages • 2023
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  • While performing a Doppler ultrasound examination you adjust the pulse repetition frequency to 12 kilohertz this can also be expressed as CORRECT ANSWERS: 12,000 Hz When you change the transmit frequency which of the following is altered CORRECT ANSWERS: Number of cycles per second Relative measurement of intensity based on a logarithmic scale is expressed in CORRECT ANSWERS: Decibels The mass you are imaging has a diameter of 35 mm. This value can also be expressed as CORRECT ANSWE...
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DAVIES SPI: III. Ultrasound Transducers (20% of ARDMS) questions with complete solutions
  • DAVIES SPI: III. Ultrasound Transducers (20% of ARDMS) questions with complete solutions

  • Exam (elaborations) • 31 pages • 2023
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  • This image was obtained with a linear array transducer. The trapezoidal field of view increases the field of view. How is the trapezoidal shape created? See image for question #244 A. Electronic beam steering B. Side lobes C. Grating lobes D. Mechanically steering the elements E. Mirror CORRECT ANSWERS: A. Electronic beam steering <A trapezoidal image can be obtained with a linear array transducer by electronically steering the beam> What advantage is related to the use...
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