Spi artifacts - Study guides, Class notes & Summaries

SPI ARDMS QUESTIONS AND ANSWERS 2023 What type of wave is sound? mechanical and longitudinal The frequency ranges for ultrasound are: >20 kHz The speed of sound in soft tissue is: 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 A Enhancement is caused by** weakly attenuating structures wavelength in material having a propag...

URR SPI questions answered correctly latest 2023what is an artifact echo that do not correspond actual with anatomy, not in right location, size or shape, Too bright or dark, missing from image completely. propagation artifacts occur due to bending (refraction), redirection (reflection) or reverberation of sound.` what is degraded in propagation artifacts lateral resolution reverberation is caused by repeated reflection of ultrasound back and forth between two closely sp...

DAVIES SPI: III. Ultrasound Transducers (20% of ARDMS) Questions and Answers 2023 This image was obtained with a linear array transducer. The trapezoidal field of view increases the field of view. How is the trapezoidal shape created? See image for question #244 A. Electronic beam steering B. Side lobes C. Grating lobes D. Mechanically steering the elements E. Mirror A. Electronic beam steering <A trapezoidal image can be obtained with a linear array transducer by electronically ...

CAPM Practice Exam 430 Questions with Verified Answers D. Throughout the project lifecycle - CORRECT ANSWER When should Project Risk Management be conducted? A. Project Planning B. Monitoring and Controlling C. Quality Planning D. Throughout the project lifecycle B. procurement strategy - CORRECT ANSWER Once the make-or-buy analysis is completed, which document defines the project delivery method? A. Procurement statement of work (SOW) B. Procurement strategy C. Terms of refere...

While using a linear sequential array transducer during a color Doppler exam, the shape of the grayscale image is most often _______, Whereas the shape of the color Doppler portion of the image is _______. A. rectangular, parallelogram B. rectangular, sector C. sector, trapezoid D. square, rectangular Correct Answer: A. rectangular, parallelogram The shape of a grayscale image using a linear sequential array is rectangular. However, the sound beams used for Doppler are steered at an an...

The experiences of an organization's members are the basis for its _________. A. culture B. structure C. operations D. maturity - ANSWER-The experiences of an organization's members are the basis for its _________. A= The culture of an organization is created by its members' experiences. Organizational structures can be: A.functional, strategic or balanced. B.functional, projectized or iterative. C. operational, balanced matrix or iterative. D. composite, function...

SPI Practice Questions #1, All Quizzes and answers. 100% Accurate. Graded A+. B. The absence of echos Question 1 Explanation: An (without) echoic (producing echoes) - 1. The term Anechoic in relation to a sonographic image means? A. structure that appears lighter than the surrounding structures B. The absence of echos C. A structure that appears the same as surrounding structures D. A structure that reflects 100% of the sound wave C.The system with the larger diameter crystal. - 2...

SPI Board Exam Review (GB) 600+ Complete Q&A (2022/2023.) __________ 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 bits of computer memory is a byte. Two b...

CAPM PRACTICE EXAM 2|256 Questions with Verified Answers The experiences of an organization's members are the basis for its _________. A. culture B. structure C. operations D. maturity - CORRECT ANSWER The experiences of an organization's members are the basis for its _________. A= The culture of an organization is created by its members' experiences. Organizational structures can be: A.functional, strategic or balanced. B.functional, projectized or iterative. C....

Ultrasound Physics - Mock Exam Questions for SPI Updated 2022/23. 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 - A sound wave is traveling in the body and propagates from muscle to air. What percentage of the sound wave is most likely reflected at the muscle-air boundary? a. 0.5% b. 75% c. 25% d. 5% e. 99% - Which of the following lists i...