Spi ardms - Study guides, Class notes & Summaries

SPI ARDMS Exam Review Final Questions and Answers ultrasound imaging type in which pulses are reflected and used to produce a display - CORRECT ANSWER-pulsed wave brightness of the dots on image - CORRECT ANSWER-amplitude round-trip travel time per cm in soft tissue - CORRECT ANSWER-13 microseconds A line produced on a display that represents ultrasonic echoes returning from the body. A sonographic image is composed of many such lines. - CORRECT ANSWER-scan line Type of image presented...

what is the distance to the interface if the round trip time for a sound wave is 39 microseconds? o :## 3cm which signals are eliminated by the wall filter in a spectral Doppler display? o :## low frequency, low amplitude at minimum, what is required when documenting a pathology discovered during an examination? o :## two images demonstrating the same pathology from different scan planes If the diameter of the sound beam is halved by focusing, what happens to the intensity o :## Incre...

SPI Practice (ARDMS A & B), spi ardms test A and B, ARDMS PRACTICE SPI (B)

SPI ARDMS Exam – Questions & All Correct Answers (Rated A+) SPI ARDMS Exam – Questions & All Correct Answers (Rated A+) The time from the beginning of a pulse until its end is ______________? - ANSWER - pulsed duration What happens to the speed of sound in a medium when the bulk modulus of the medium increases? - ANSWER - faster ___________ resolution is determined by SPL - ANSWER - radial or axial If a wave's amplitude is doubled, what happens to the power? - ANSWER - quad...

SPI ARDMS PRACTICE QUESTIONS AND ANSWERS UPDATED Sound waves are: - CORRECT ANSWER-longitudinal, mechanical The speed of sound in soft tissue is closest to: - CORRECT ANSWER-1,500 m/s The frequency closest to the lower limit of ultrasound is: - CORRECT ANSWER-15,000 Hz Which is not an acoustic variable? - CORRECT ANSWER-intensity The effects of soft tissue on ultrasound are called: - CORRECT ANSWER-acoustic propagation properties All of the following are true EXCEPT: - CORRECT ANSWER...

Sonography Principles and Instrumentation - ARDMS SPI Multiple Choice Exam Questions and Answers-A mechanical transducer utilizes: a. transmit focus b. receive focus c. fixed focus d. dynamic aperture focusing - c. fixed focus; sonographer cannot determine the location of # of foci. mechanical transducer uses cross sectional imaging, rotating wheel, wobbler, oscillating mirror A reflection will occur at the boundary of two media if the acoustic impedences of the two media are: a. equal ...

SPI ARDMS Exam (2024) || Questions & Solutions (100% Accurate) SPI ARDMS Exam (2024) || Questions & Solutions (100% Accurate) What is increased if the pulse duration is decreased? - ANSWER - a) Bandwidth b) Line Density c) Frame Rate d) Duty Factor What is the most appropriate action for the sonographer to take when receiving a verbal order for an exam? - ANSWER - a) Deny performance of the exam until a written request is received b) Seek approval from supervisor c) Verbally repeat...

SPI ARDMS Test A and B || With Questions & 100% Accurate Answers (A+) SPI ARDMS Test A and B || With Questions & 100% Accurate Answers (A+) which technique utilizes frequency modulation of the transmitted pulse to improve signal-to-noise ratio? - ANSWER - coded excitation What is true of the far field? A. sound beam converges B. intensity is highest C. lateral resolution is best D. sound beam diverges - ANSWER - D what improves lateral resolution? A. decreasing the beam width ...