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a general term to encompass abdominal, breast, cardiac, gynecologic, obstetric, and vascular
sonography is - Correct Answers diagnostic medical sonography
registered cardiac sonographers specialize in fetal, pediatric, and adult... - Correct Answers
echocardiology
registered vascular technologists specialize in ___ and ___ in general. - Correct Answers arteries
and veins
one overall physics examination, encompassing sonographic principles, hemodynamics, and
instrumentation, is required for which specialty areas? - Correct Answers all of them. vascular,
cardiac, and diagnostic sonographers.
diagnostic medical sonography employs ___ frequency transducers ranging from __ to __ MHz. -
Correct Answers high. 2 to 30
the transducer emits __ pulses of ultrasound into the human body, also know as ___ ____. -
Correct Answers short, pulse waves
how are the transducers reflections or frequency shifts displayed as? (4 ways) - Correct Answers
grayscale, color doppler, spectral or duplex image.
velocity of the red blood cells can be calculated using the - Correct Answers doppler technique
what do doppler techniques show? (3 things) - Correct Answers blood flow direction
flow resistance and turbulence within the vessel
, regurgitation of the cardiac chamber
sonography was originally thought to be a ___ technique - Correct Answers noninvasive
what two character traits are important in medical professions - Correct Answers integrity and
honesty
in sonography, integrity and honesty are important because almost __% of observed data is
discarded - Correct Answers 90%
the development of ___ was the precursor to the development of medical ultrasound - Correct
Answers sonar
what did the first ultrasound scanner consist of - Correct Answers cattle watering tank with a
wooden rail anchored along the side.
high frequency transducers with improved resolution allow the sonographer to accumulate
several images per second at a rate of up to __ frames per second - Correct Answers 30
today's ultrasound systems include was four ways of doing exams - Correct Answers color
doppler
spectral analysis
three and four dimensional imaging
sound waves are traveling variations of pressure, density and ___ motion - Correct Answers
particle
what must be present for sound to travel - Correct Answers matter