Ultrasound physics

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Here are the best resources to pass Ultrasound physics. Find Ultrasound physics study guides, notes, assignments, and much more.

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Exam (elaborations)

ULTRASOUND PHYSICS REVIEW| 113 PAGES| 837 QUESTIONS| WITH COMPLETE SOLUTIONS
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113

October 2022

2022/2023

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If the output power setting is at 50% and this indicates 0dB, increasing the power by: Correct Answer: 3dB will increase the power output by a factor of 2 An increase in power of 3dB indicates an increase of 2X the original power. Every 3dB that the power increases will double the power output. 50% x 2 = 100% The doppler tracing demonstrates electrical noise. How can you reduce or eliminate this artifact? Correct Answer: Increase the wall filter settings Noise can be reduced by decrea...
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SPI ultrasound physics review| 135 QUESTIONS| WITH COMPLETE SOLUTIONS
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10

September 2022

2022/2023

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What is frequency determined by? Correct Answer: The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies Correct Answer: Lower What is the reciprocal of frequency and what is the symbol Correct Answer: Period, T The time it takes for 1 cycle to occur Correct Answer: Period What is propagation speed determined by Correct Answer: Stiffness and density of the medium Propagation speed of sound throug...
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Ultrasound Physics (SPI) Review/Study
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20

September 2022

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Meaning of Anechoic? Correct Answer: Dark, less echos. Meaning of Echogenic? Correct Answer: Full of echoes. Meaning of Hyperechoic? Correct Answer: More echoes than adjacent tissue. Meaning of Hypoechoic? Correct Answer: Less Echoes than adjacent tissue. Meaning of Isoechoic? Correct Answer: Similar/same echoes than adjacent tissue. Meaning of Homogenous? Correct Answer: Uniform Texture. (smooth) Meaning of Heterogenous? Correct Answer: Different levels of echogenicity....
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SPI Ultrasound Physics Review| 296 QUESTIONS| WITH VERIFIED COMPLETE SOLUTION
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September 2022

2022/2023

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When will the Doppler shift be the highest? A.when the beam is parallel to the direction of flow B.when the beam is at a 45 degree angle to flow C.when the beam is perpendicular to the direction of flow D. Doppler shift is unrelated to beam angle Correct Answer: A.when the beam is parallel to the direction of flow Which of the following best describes the principles of hemodynamics? -The pressure difference required for blood to flow -The pressure created in a fluid system -A fluid's...
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Ultrasound Physics - SPI Registry Review Questions and Answers VERIFIED
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3

September 2022

2022/2023

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Length Correct Answer: mm, cm, inches, feet distance, circumference *length of a circles border" Area Correct Answer: cm squared, ft squared cm2, ft2 Volume Correct Answer: cm cubed, ft cubed cm3, ft3 Multipy by that number Correct Answer: increase by a factor of___ means Divide by that number Correct Answer: decrease by a factor of ____means Rule of Scientific Notation Correct Answer: 1) shift decimal point so result number is between one and ten 2) multiply by the app...
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Exam (elaborations)

Understanding Ultrasound Physics - SPI Exam Review – ARTIFACTS| 54 QUESTIONS| COMPLETE SOLUTIONS
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September 2022

2022/2023

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While using a linear sequential array transducer during a color Doppler exam, the shape of the grayscale image is most often _______, Whereas the shape of the color Doppler portion of the image is _______. A. rectangular, parallelogram B. rectangular, sector C. sector, trapezoid D. square, rectangular Correct Answer: A. rectangular, parallelogram The shape of a grayscale image using a linear sequential array is rectangular. However, the sound beams used for Doppler are steered at an an...
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