# SPI Study guides, Class notes & Summaries

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• #### SPI ultrasound physics review 2023

• Exam (elaborations) • 8 pages • 2023
• What is frequency determined by? - Answer- The source, thickness of piezoelectric element and propagation speed to a lesser degree Thicker element is equal to ________ frequencies - Answer- Lower What is the reciprocal of frequency and what is the symbol - Answer- Period, T The time it takes for 1 cycle to occur - Answer- Period What is propagation speed determined by - Answer- Stiffness and density of the medium Propagation speed of sound through soft tissue - Answer- 1,540 m/s ...
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• \$11.99
• #### SPI Ultrasound Physics Exam Practice Questions with correct Answers

• Exam (elaborations) • 8 pages • 2023
• The sonographer may avoid aliasing by altering the: - Answer- image depth Which statement regarding the differences between pulsed and continuous wave Doppler is NOT correct? - Answer- CW Doppler offers significantly improved range resolution. The coupling gel used for ultrasound exams provides the same function as what transducer component? - Answer- matching layer What is the frequency of a transducer with a 10mm element, 14kHz PRF and a propagation speed of 5 millimeters / microsecon...
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• #### SPI MOCK questions with correct answers

• Exam (elaborations) • 7 pages • 2023
• SPI MOCK questions with correct answers
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• #### SPI mock 106 exam Correctly Solved

• Exam (elaborations) • 34 pages • 2023
• Reducing the likelihood of bioeffects from acoustic energy is the mission of the: A. Nyquist limit B. Reynolds number C. Huygens principle D. ALARA principle E. Poiseuille principle - ️️D. ALARA principle The number of cycles in a pulse directly related to the: A. Duty factor B. SPL C. operating frequency D. PRF E. propagation speed of the medium - ️️B. SPL The Doppler shift frequency is proportional to the: A. Cosine values B. Doppler angle C. Operatin...
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• #### SPI Exam Review questions with correct answers

• Exam (elaborations) • 9 pages • 2023
• SPI Exam Review questions with correct answers
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• #### SPI |505 Exam Questions With Correct Answers|46 pages

• Exam (elaborations) • 46 pages • 2023
• What is described as the ability of an object to resist compression and relates to the hardness of a medium? - ️️stiffness An increase in PRF would lead to - ️️an increase in DF what has the higher propagation speed? air, bone, soft tissue or water - ️️bone what has a lower propagation speed? water, soft tissue, bone or lung tissue - ️️lung tissue as imaging depth increases, the PRF must - ️️decrease what law describes the amount of refraction that occurs at an...
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• #### SPI Practice Test 175 Questions with 100% Correct Answers | Updated & Verified

• Exam (elaborations) • 50 pages • 2023
• Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - ️️d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - ️️d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and increases penetration c. causes poor axial and lateral...
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• #### SPI Ultrasound Physics- Questions Practice Exam 2023

• Exam (elaborations) • 2 pages • 2023
• What are the units of Wavelength? - Answer- millimeters What are the units of Frequency? - Answer- Hertz What are the units of Intensity? - Answer- Watts/cm 2 What are the units of propagation speed? - Answer- meters/sec What are the units of period? - Answer- second power - Answer- watts Wavelength is determine by ________. - Answer- medium and sound source Frequency is determine by ________. - Answer- sound source Intensity is determine by ________. - Answer- sound sour...
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• \$9.49