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ARDMS Breast Registry Review Ch. 1 Exam Questions With Verified Answers $10.69   Add to cart

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ARDMS Breast Registry Review Ch. 1 Exam Questions With Verified Answers

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ARDMS Breast Registry Review Ch. 1 Exam Questions With Verified Answers Acoustic Impedance The resistance that a material offers to sound wave travel. Amplitude The strength or height of a sound wave measured in decibels. Anechoic The appearance of having no internal echoes (echo free...

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  • June 6, 2024
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ARDMS Breast Registry Review Ch. 1 Exam
Questions With Verified Answers
Acoustic Impedance
The resistance that a material offers to sound wave travel.


Amplitude
The strength or height of a sound wave measured in decibels.


Anechoic
The appearance of having no internal echoes (echo free) on a sonographic image.


Artifact
An echo feature present or absent in a sonographic image that does not correspond to the presence
or absence of a real structure. Eg. enhancement or shadowing.


Attenuation
The reduction of intensity (and amplitude) of a sound wave as it travels through a material.
Attenuation is due to absorption, reflection, and scattering.


Complex
A structure in the body that contains both cystic and solid components.


Cystic
Any fluid filled structure in the body.


Echogenic
A structure or medium that produces echoes.


Edge Shadowing
Decreased echo amplitude distal to the edge of a structure. This artifact results from refraction of the
sound beam.


Enhancement
Increased echo amplitude returning from regions lying beyond an object that causes little or no
attenuation of the sound beam (typically a cystic structure). This artifact results in a brighter than
normal appearance.


Heterogeneous
A structure that has an uneven texture (hypoechoic and hyperechoic echoes throughout). Synonym -
non-uniform.


Homogeneous
Smooth uniform texture

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