Pass Ultrasound Physics Exam Study Guide Match the Answers by Mansoor Khan

Author:Mansoor Khan [Khan, Mansoor]
Language: eng
Format: azw3, mobi, epub, pdf
Tags: and, Instrumentation, Ultrasound Physics and Instrumentation, ARDMS SPI Exam, Exam, Ultrasound, Ultrasound Physics, ARDMS, Quiz, Ultrasound Physics Review, SPI, Ultrasound Physics Quiz Cards, Cards, Physics, Review, Ultrasound Physics Exam, Ultrasonography
Publisher: Blue Cube Venture, LLC
Published: 2014-12-11T16:00:00+00:00

long pulses degrade _____ resolution

axial

wide pulses degrade _______ resolution

lateral

thick pulses degrade ____________ resolution

elevational

multipath artifact can be avoided by changing the transducer _____

angle

Bioeffects

the effects of ultrasound on the tissues are called __________

bioeffects

there is no solid evidence available to support any detrimental bioeffects from the application of diagnostic ultrasound to human _________

tissues

the value of information obtained from the ultrasound procedure far overweighs the possibility of any biologic _______

effects

patient is exposed to _______ intensity levels of ultrasound waves, when output power is increased

higher

______ principle which is keeping the output power “as low as reasonably achievable”

ALARA

pulsed wave ultrasound has the _______ output intensity

greatest

cavitation is the interaction of ultrasound waves with microscopic gas bubbles that are _______ in the tissue

present

the interaction of ultrasound waves with gas bubbles results in the expansion and __________ of gas bubbles

contraction

cavitation is most likely to occur with ___ frequency and high signal amplitude ultrasound waves

low

cavitation can produce severe tissue ______

damage

stable cavitation occurs when ultrasound waves strike microscopic gas bubbles present in tissues and these bubbles rhythmically ______ and contract

expand

the transient cavitation causes micro bubbles to contract and expand violently and _____

burst

transient cavitation is also called inertial cavitation or _______ cavitation

normal

mechanical index is a number that relates to the possibility that cavitation will _____

occur

thermal index is a number related to the bioeffects caused by tissue _______

heating

low frequency and high signal amplitude ultrasound wave will result in the _______ mechanical index

highest

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