Spi ultrasound Study guides, Class notes & Summaries

ARDMS SPI Exam Questions & Answers 2024 Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - 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 - ANSWER-e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow toward...

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...

When will the Doppler shift be the highest? A.when the beam is parallel to the direction of flow B.when the beam is at a 45 degree angle to flow C.when the beam is perpendicular to the direction of flow D. Doppler shift is unrelated to beam angle Correct Answer: A.when the beam is parallel to the direction of flow Which of the following best describes the principles of hemodynamics? -The pressure difference required for blood to flow -The pressure created in a fluid system -A fluid's...

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...

SPI Ultrasound Physics Review Exam - Questions and Answers Relates to likelihood of harmful bio effects from cavitation Mechanical index Predicts maximum temperature increase Thermal index Measures output intensity of the beam Hydrophone Region of increased brightness due to higher intensities in focal zone Focal banding Occurs when sound travels through a medium with a lower attenuation rate than the surrounding tissue Enhancement Beam travels through an area of high attenuation Shadowing Bea...

SPI Board Exam Review (GB) 2023/2024. (GB) 600+ Complete QUESTIONS &ASWERS (100% Verified & Graded A+)|COMPLETE GUIDE| is the reciprocal of period. A. inverse period B. PRP C. frequency D. propagation speed - C. Frequency A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? A. 27 B. 0 C. 10 D. 15 - C. 10 A byte is composed of bits. A word is composed of bytes. A. 2, 2 B. 8, 2 C. 16, 16 D. 8, 16 - B. 8, 2 (a string of eight b...

SPI ULTRASOUND PHYSICS REVIEW

What do waves transfer from one location to another? - Energy Which of the following best describes sound waves? - Longitudinal, Mechanical wave As sound travels through a medium, what term best describes the effects of the medium on the sound wave? - Acoustic Propagation Properties Describe the term "Compression" - Squeezed Together Describe the term "Rarefraction" - Stretched Apart Name the 7 parameters that describe sound waves - ...

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 tis...