SPI

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 Exam Pool Questions and answers. 100% Accurate, graded A+. What is described as the ability of an object to resist compression and relates to the hardness of a medium? - stiffness An increase in PRF would lead to - an increase in DF what has the higher propagation speed? air, bone, soft tissue or water - bone what has a lower propagation speed? water, soft tissue, bone or lung tissue - lung tissue as imaging depth increases, the PRF must - decrease what law describes the...

SPI Exam Questions pool ( Answered) rated A+. Concentration of force in an area. Units are: (Pa) or Pascals. - Pressure What are the units for density? - kg/cm3 What are the seven acoustic parameters and what are they determined by? - -Period determined by SOURCE -Frequency determined by SOURCE -Amplitude determined by SOURCE -Power determined by SOURCE -Intensity determined by SOURCE -Wavelength determined by both SOURCE & MEDIUM -Propagation Speed determined by MEDIUM What...

SPI MOCK EXAM Questions and answers, 100%Accurate. Rated A When the ELASTICITY of a medium is HIGH, the _____ is HIGH - stiffness - prop. speed - compressibility - reflectivity - compressibility What term describes the # of cycles that an acoustic variable completes in a second? - period - freq. - PRP - variable rate - freq. What happens to venous flow return to the HEART when a person INHALES? - increases What establishes the freq. of an US wave? - transducer - medium t...