SPI EXAMS BUNDLE

SPI mock exam questions & answers 2023/2024 Reducing the likelihood of bioeffects from acoustic energy is the mission of the: A. Nyquist limit B. Reynolds number C. Huygens principle D. ALARA principle E. Poiseuille principle - ANSWER-D. ALARA principle The number of cycles in a pul...

SPI MOCK EXAM QUESTIONS & ANSWERS 2023/2024 A transducer with which frequency would have the thickest element(s)? 2 MHz 3.5 MHz 5 MHz 7.5 MHz - ANSWER-7.5 MHz An ultrasound transducer converts: Electrical energy into light and heat Electrical energy into mechanical energy Mechanical ene...

Ultrasound Physics - Mock Exam Questions for SPI 2023/2024 Which of the following transducers will have the worst axial resolution? a. Vector array, 3 MHz b. Linear Sequential Array, 6 MHZ c. Linear Phased Array 7.5 MHZ d. Annular Array, 6 MHz - ANSWER-Vector array, 3 MHz A sound wave is t...

SPI Practice Test Questions & Answers 2023/2024 Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - ANSWER-d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spat...

SPI Mock Registry Exam C20 Questions & Answers 2023/2024 As frequency increase, the amount of scatter - ANSWER-increases Which physics principle describes the decrease in pressure at a stenosis due to increased velocity at the site? - ANSWER-Bernoulli Prinicple ______ occurs posterior to hi...

SPI Mock Final Exam Questions & Answers 2023/2024 Question 1 A ________ is a B mode operation that provides a cross section of the region of interest as the sound beam sweeps through the region of interest: Select one: a. B scan b. A mode c. A scan d. M mode - ANSWER-B scan Question 2 ...

Mock SPI Exam / Ultrasound Transducers 2023/2024 If the aperture increases, the near-zone length ________. a. doubles b. increases c. decreases d. remains unchanged - ANSWER-increases Axial resolution is often normally better than lateral resolution. T/F - ANSWER-True Without compensa...

SPI Mock Registry Exam A20 reflected signals must undergo compression b/c the _______ of reflected signals __________ the ability of the system to process/display that many signals, & it is important to maintain gray scale w/in range of _______ ___________. - ANSWER-range; exceeds; human vision ...

SPI mock exam questions & answers 2023/2024

SPI MOCK EXAM REGISTRY EXAM E20 2023/2024 Explain time of flight - ANSWER-For every 13 microseconds of time of flight of a pulse, the reflector is 1 cm deeper in the tissue. Will a doppler shift be recorded if Red blood cell is moving perpendicular to the beam? - ANSWER-No, Decreasing the p...

SPI Mock Registry Exam B20 2023

SPI Mock Exam C16 Questions & Answers 2023/2024 What is the period for a 5MHz transducer? - ANSWER-0.2 microseconds (5 MHz= 5,000,000 Hz period= 1/frequency period=1/5,000,000 Hz= 0. or 0.2 microseconds) If two calcifications are located side by side in the liver with a 3 mm distance betw...

SPI practice test questions & answers 2023/2024 If the thickness of the 2 substances forming the interface is increased then the amount of beam reflected is...? - ANSWER-unchanged what determines the Pulse Repetition Frequency (PRF)? - ANSWER-The source of sound with which type of array are...

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 T...