Spi ultrasound - Study guides, Class notes & Summaries

ARDMS SPI STUDY GUIDE (Ultrasound Physics Certification Test Study |QUESTIONS & ANSWERS |VERIFIED & UPDATED | 2024 In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - Answer Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - Answer 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - Answer Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth ...

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...

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...

The layer of material within the transducer which has an intermediate impedance between the transducer element and the human tissue in known as the: - ️️matching layer Huygen's Principle - ️️states that waves are the result of the interference of many wavelets produced at the face of the transducer What happened to intensity if the amplitude of a signal is halve? - ️️Quarted/ Intensity is proportional to the amplitude squared, so if the amplitude is halved, the resulting in...

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 ULTRASOUND PHYSICS REVIEW

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 PRACTICE QUESTIONS 2023/2024 Sound waves are: - ANSWER-longitudinal, mechanical The speed of sound in soft tissue is closest to: - ANSWER-1,500 m/s The frequency closest to the lower limit of ultrasound is: - ANSWER-15,000 Hz Which is not an acoustic variable? - ANSWER-intensity The effects of soft tissue on ultrasound are called: - ANSWER-acoustic propagation properties All of the following are true EXCEPT: - ANSWER-two waves with identical frequencies must interfere const...

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...