Spi exam 2 - Study guides, Class notes & Summaries

In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - correct answer Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - correct answer 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - correct answer Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for - correct answer one complete wav...

QUESTIONS AND ANSWERS

Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - correct answer a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - correct answer e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transducer - correct an...

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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. - CORRECT ANSWER 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 - CORRECT ANSWER D) Quartered Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength?...

ARDMS SPI EXAM LATEST REAL EXAM 200 QUESTIONS AND CORRECT ANSWERS|AGRADE

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