Attenuation of sound - Study guides, Class notes & Summaries

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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED
  • ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED

  • Exam (elaborations) • 35 pages • 2023
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  • ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...
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Edelmen's SPI Exam Review Test Answered 100% Correctly! Edelmen's SPI Exam Review Test Answered 100% Correctly!
  • Edelmen's SPI Exam Review Test Answered 100% Correctly!

  • Exam (elaborations) • 31 pages • 2023
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  • Edelman SPI review questions & Answers 2023. ______ is the distance covered by one cycle. a) pulse length b) wavelength c) cycle distance d) cycle duration ______ is the time to complete one cycle a) pulse duration b) pulse period c) period d) duration period ________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: a) refraction b) Rayleigh Scattering c) scattering d) reflection _________ resolution is...
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SPI ARDMS EXAM |Q & A |ALREADY GRADED A+ |2024 UPDATE
  • SPI ARDMS EXAM |Q & A |ALREADY GRADED A+ |2024 UPDATE

  • Exam (elaborations) • 9 pages • 2023
  • SPI ARDMS EXAM |Q & A |ALREADY GRADED A+ |2024 UPDATE What type of wave is sound? Correct Ans ~ mechanical and longitudinal The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer Correct Ans ~ A Enhancement is caused by** Correct Ans ~ weakly attenuati...
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Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed
  • Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed

  • Exam (elaborations) • 15 pages • 2023
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  • Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed What does the "S" in S.A.F.E stand for? Stop What does the "A" in S.A.F.E stand for? Assess What does the "F" in S.A.F.E stand for? Focus What does the "E" in S.A.F.E stand for? Eliminate What are the three branches of the Safety Triangle? Knowledge Technique Attitude What (in electricity) is the direct cause of injury voltage (E), current (I), or resistance (R)? Current (I) Wha...
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Ultrasound Physics - Mock Exam Questions for SPI Questions With 100% Correct Answers.
  • Ultrasound Physics - Mock Exam Questions for SPI Questions With 100% Correct Answers.

  • Exam (elaborations) • 16 pages • 2024
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  • Which of the following statements about speed and attenuation are true? a. Attenuation through and propagation speed in a particular medium are unrelated to each other. b. When a sound beam travels faster in a medium, the attenuation is less. c. When a sound beam travels slower in a medium, the attenuation is more. - ️️Attenuation through and propagation speed in a particular medium are unrelated to each other. Which of the following lists is in increasing order? a. mega, kilo, milli...
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BICSI Installer 2 Latest Update Graded  A+
  • BICSI Installer 2 Latest Update Graded A+

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  • BICSI Installer 2 Latest Update Graded A+ 1. **KEY TERMS** **Identify the Correct Term:** - 1. Attenuation, 2. Bandwidth, 3. Cable Loss, 4. Cladding, 5. Connector, 6. Dispersion, 7. Ferrule (Optical Fiber), 8. FC, 9. Furcating Harness, 10. Insertion Loss, 11. LC Connector/Adapter, 12. Multimode Optical Fiber, 13. SFF, 14. SC **Definition:** - The reduction in signal magnitude or power loss as it travels between two points, typically measured in decibels (dB) representing the ratio o...
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Pearson RBT Exam ALL ANSWERS 100% CORRECT SPRING FALL2023/24 EDITION GUARANTEED GRADE A+
  • Pearson RBT Exam ALL ANSWERS 100% CORRECT SPRING FALL2023/24 EDITION GUARANTEED GRADE A+

  • Exam (elaborations) • 12 pages • 2023
  • The roles and responsibilities of the RBT include which of the following? All of the above (deliver discrete trial instruction and incidental teaching, record data, and implement behavior interventions plans as written as a BCBA) True/False: An RBT can practice independently of a BCBA False Rate is... the total count per a unit of time Duration is... the time from when the behavior begins to when it ends. Latency is... the time between the presentation of a stimulus and the occurrence of a behav...
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Edelman's SPI Exam Tested  Questions With Revised Correct  Detailed Answers With Rationales  GRADED PASS
  • Edelman's SPI Exam Tested Questions With Revised Correct Detailed Answers With Rationales GRADED PASS

  • Exam (elaborations) • 239 pages • 2024
  • Edelman's SPI Exam Tested Questions With Revised Correct Detailed Answers With Rationales GRADED PASS 1) AMPLITUDE, POWER, & INTENSITY; What determines the initial amplitude of an ultrasound wave? A. the transducer B. the medium through which the sound travels C. both A and B D. neither choice A nor B - ANSWER the transducer; the initial strength or amplitude of a sound wave is determined by the vibration of the piezoelectric crystal in the transducer. The greate...
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ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+
  • ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+

  • Exam (elaborations) • 16 pages • 2024
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  • ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: A) surface wave. B) longitudinal wave. C) transverse wave. D) non-linear sound. B) longitudinal wave If the sound beam attenuated 6 dB, what will happen to the overall intensity? A) Quadrupled B) Doubled C) Halved D) Quartered D) Quartered Frequency increased from 3 MHz to 6 MHz,...
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CAOHC LATEST UPDATE WITH CERTIFIED SOLUTIONS
  • CAOHC LATEST UPDATE WITH CERTIFIED SOLUTIONS

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  • CAOHC LATEST UPDATE WITH CERTIFIED SOLUTIONS OSHA TREANING REQUIREMENTS MANDATORY PROGRAM FOR EMPLYEES WITH NOISE EXPOSURE +85DBA/ EMPLOYER MUST ENSURE PARTICIPATION OSHA REQUIREMENT PERSONAL HEARING PROTECTORS ATTENUATION (NRR CONSEPT AND CALCULATION) AUDIOMETRICS TESTING PURPOSES, EFFECTS OF NOISE HEARING IDEALLY TRAINING SHOULD COMPANY SPECIFIC-SHOWCASING EMPLOYEE AND WORK AREA RELEVANT, APPLICABLE, CURRENT, ENGANING,DIFERRENT FROM LAST YEARIS TO MOTIVATE EMPLOYEE TO GHANGE ...
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