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Sonography Principles and Instrumentation - ARDMS SPI Exam Multiple Choice Test Questions & Answers

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Sonography Principles and Instrumentation - ARDMS SPI Exam Multiple Choice Test Questions & Answers-Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain ... - 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 - e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transducer - b. turbulent flow With pulse wave Doppler axial resolution: - degrades What color is usually use in color flow Doppler variance map to indicate turbulent flow? - green Doppler high pass filter eliminates: - high amplitude signals; low velocity flow The Doppler wall filter is considered a: - high pass filter The Nyquist Limit is equal to: a. propagation speed x frequency b. propagation speed/ wavelength c. PRF/2 d. 4xV^2 - c. PRF/2 Multiple echoes, equally spaced originating from a gas bubble is called: a. comet tail b. ring down c. slice thickness artifact d. multipath - b. ring down An increase in red blood cell velocity will_____ the Doppler Shift: a. increase b. decrease c. not change d. cannot be predicted - a. increase [Show More]

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