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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...

ARDMS SPI STUDY GUIDE, Questions pool with answers, 100% Accurate, rated A+. In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for - one comp...

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...

ESB TEST 2 Pool Questions and answers, 100% Accurate, rated A Research Process - Question, design, findings, publishing True Experiment - designs in which the researcher manipulates ALL independent variables; total control over who's in what group Quasi Experimental Design - designs in which random assignments cannot be used Quasi Independent Variables - variables treated as if they were independent variables in the experimental design even though the researchers did not manipulat...

ARDMS SPI Practice Exam B. Questions pool. 100% Accurate. Rated A Which artifact is illustrated by this image? - a) Shadowing b) Side Lobe c) Reverberation d) Mirroring What is increased if the pulse duration is decreased? - a) Bandwidth b) Line Density c) Frame Rate d) Duty Factor What is the most appropriate action for the sonographer to take when receiving a verbal order for an exam? - a) Deny performance of the exam until a written request is received b) Seek approval from sup...

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...

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? - transduce...

SPI Practice Test Questions and answers. 100% Accurate. Rated A Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse ...

SPI Exam Review. Predictor Questions and answers. Questions pool. Rated A What is a hydrophone? What does it measure? - A small needle with piezoelectric crystal at the end. It measures pressure in a sound beam. What is a schlieren? - A machine that uses acousti-optics to measure sound and light in beam profiles. What is a calorimeter? - A machine that can calculate total power of the beam measuring heat gain and the time itakes to obtain the heat. What is the AIUM and FDA bioeffec...

Edelmen's SPI Exam Review, Questions and answers. 100% Accurate. Rated A Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical - D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec - C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity - D The effects of soft tissue on ultrasound are called: a) acoustic prolifer...

ARDMS- SPI Questions and answers. 100% Accurate. Rated A+ The horizontal axis, or x-axis - Runs side to side The vertical axis, or y-axis - Runs up and down Unrelated - Two items that are not associated Related or Proportional - Two items that are associated or affiliated However, the relationship between the items does not have to be specified Directly related or Directly proportional - Two items that are associated such that when one item increases, the other increases In...

SPI PRACTICE QUESTIONS & Answers. 100% Accurate, latest version. Rated A Sound waves are: - longitudinal, mechanical The speed of sound in soft tissue is closest to: - 1,500 m/s The frequency closest to the lower limit of ultrasound is: - 15,000 Hz Which is not an acoustic variable? - intensity The effects of soft tissue on ultrasound are called: - acoustic propagation properties All of the following are true EXCEPT: - two waves with identical frequencies must interfere const...

ARDMS SPI Exam Questions with accurate answers. Graded A+ Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - 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 - e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow t...

Technician class ham radio 2018-22 423-question pool. 100% Accurately answered. Rated A Which agency regulates and enforces the rules for the Amateur Radio Service in the United States? - The FCC. Which of the following is a purpose of the Amateur Radio Service as stated in the FCC rules and regulations? - Advancing skills in the technical and communication phases of radio art. For which license classes are new licenses currently available from the FCC? - Technician, General, Amateur ...

HAM Study Questions & Answers. 100% Accurate answers. Latest version Which tier of the capability blueprint focuses on achieving best in-class? A. Practical management B. Trustworthy data C. Operational integration D. Strategic conformance - D. Strategic conformance page 22 Which ServiceNow role enables the user to perform actions related to incident, problem, change, and configuration management? A. procurement_user B. asset C. itil D. inventory_admin E. discovery_admin - C. i...

HAM Tech 2018-2023. Exam Questions with answers. 100% Accurate. Graded A Which of the following is a purpose of the Amateur Radio Service as stated in the FCC rules and regulations? A. Providing personal radio communications for as many citizens as possible B. Providing communications for international non-profit organizations C. Advancing skills in the technical and communication phases of the radio art D. All of these choices are correct - C Which agency regulates and enforces th...

HAM Exam Questions with accurate answers. 100% Accurate. Rated A Which of the following is a purpose of the Amateur Radio Service as stated in the FCC rules and regulations - Advancing skills in the technical and communication phases of the radio art Which agency regulates and enforces the rules for the Amateur Radio Service in the United States - FCC What are the FCC rules regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service - It is encoura...

Ham Radio License, Questions and answers, 100% Accurate. Graded A What is the purpose of the Amateur Radio Service as stated in the FCC rules and regulations? - Advancing skills in the technical and communication phase of the radio art. Which agency regulates and enforces the rules for the Amateur Radio Service in the US? - The FCC Which part of the FCC regulations contains the rules governing the Amateur Radio Service? - Part 97 What meets the FCC definition of harmful interferenc...

General Ham Radio License Question Pool 2019-2023. Questions and answers. 100% Accurate. G1A01 On which HF/MF bands is a General license holder granted all amateur frequency privileges? - 160 meters, 60 meters, 30 meters, 17 meters, 12 meters, and 10 meters G1A02 On which of the following bands is phone operation prohibited? - 30 meters G1A03 On which of the following bands is image transmission prohibited? - 30 meters G1A04 Which of the following amateur bands is restricted ...