Depth of ultrasound - Study guides, Class notes & Summaries

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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 ...

SDI Computer Nitrox Questions and Answers 100% Pass True or False. Oxygen Enriched Air is a term some divers use to refer to Nitrox. True The air we normally breathe consists primarily of: Nitrogen and Oxygen A mixture of nitrogen and oxygen in which the percentage of oxygen is greater than that found in air is generally called: Enriched Air, Enriched Air Nitrox, Nitrox, Etc. The person who creates the Nitrox used to fill scuba cylinders is referred to as a: Blender Which of the following...

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED 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 complete wavelength to pass a fixed poin...

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...

Test Bank For Gould's Pathophysiology for the Health Professions 7th Edition Van Meter and Hubert Chapter 1-28 | Newest Version. The best definition of the term prognosis is the a. precipitating factors causing an acute episode. b. number of remissions to be expected during the course of a chronic illness. c. predicted outcome or likelihood of recovery from a specific disease. d. exacerbations occurring during chronic illness. ANS: C 4. Which of the following is considered a systemic sign...

C - Answer- What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate A - Answer- to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed B - Answer- which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave dopple...

The human ear can perceive sounds up to _______, above which sounds are referred to as "ultrasound." a. 5 kHz b. 20 kHz c. 5 MHz d. 20 MHz Correct Answer-B: 20 kHz. Ultrasound frequencies in imaging are usually 3-12 MHz The piezoelectric effect refers to converting ____ energy into ____ energy. Correct Answer-Electrical energy into kinetic or mechanical energy. Which of the following is NOT a parameter to be considered when minimizing ultrasound-induced thermal injury? a. Haired/n...

C What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate A to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed B which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave doppler C.color flow imaging D.harmo...

Depth of UV - ️️superficial 1-2 mm (skin) Depth of Infrared - ️️superficial 8-10 mm (vascular) Depth of Microwave Diathermy - ️️deep Depth of Shortwave Diathermy - ️️deep Depth of Ultrasound - ️️deepest! 4-8 cm Best Modality for Herpes Zoster - ️️UV and ultrasound Best modality for Diabetes Mellitus - ️️Infrared If open growth centers, do NOT use what modalities? (3) - ️️Shortwave Diathermy Microwave Diathermy Ultrasound Goggles are re...