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Davie's SPI Review Questions and Answers (100% Pass)

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This converter converts the numbers stored in memory to proportional voltages that control the brightness on a CRT monitor Digital to Analog Converter The Digital Scan Converter is AKA: Image Memory This is where images are stored in the ultrasound system: Scan Converter The system compo...

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  • November 18, 2024
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Davie's SPI Review Questions and
Answers (100% Pass)
This converter converts the numbers stored in memory to proportional

voltages that control the brightness on a CRT monitor


✓ Digital to Analog Converter




The Digital Scan Converter is AKA:


✓ Image Memory




This is where images are stored in the ultrasound system:


✓ Scan Converter




The system component which is most responsible for transmit focusing:


✓ Beam Former




The process of filling in the empty spaces between scan lines:


✓ Interpolation




Red, Green & Blue- The three colors used for color mapping



Master01 |Excellent Study Material| Latest update

, 1|Page | © copyright Master01| Grade A+

✓ RGB Signal




With ______ signals, the values may vary continuously between a minimum

and maximum point


✓ Analog




A method in which the sound beam is steered in multiple directions by

employing time delays:


✓ Spatial Compounding




A term meant to describe 3D imaging with the addition of time:


✓ 4D




Advantages of 3D scanning (over 2D):


(2)


✓ 1) The ability to display image planes impossible to display with 2D

imaging. 2) The ability to display orthogonal planes simultaneously




When The spatial resolution is equal in all dimensions or imaging planes, it is

considered _________ Resolution




Master01 |Excellent Study Material| Latest update

, 1|Page | © copyright Master01| Grade A+

✓ Isotropic Resolution




Opposite of Isotropic (Meaning the spatial resolution is unequal in all

dimensions or imaging planes): __________ Resolution


✓ Anistropic Resolution




The bending of a sound beam:


✓ Refraction




If an image hits a reflector and is said to produce refraction, we must assume

that the artifact is occurring _________ to the reflector


✓ Laterally




________ of the Doppler spectrum is an artifact that occurs with pulsed-wave

(PW) Doppler when the frequency is greater than 1/2 the Doppler PRF


✓ Aliasing




If you obtain a 3D sweep in an axial sweep and are viewing it in a multiplanar

display, the orthogonal planes that will be displayed are _______ and

_________




Master01 |Excellent Study Material| Latest update

, 1|Page | © copyright Master01| Grade A+

✓ Coronal and Saggital




If you are using a beam that produces a very Wide Slice Thickness, a problem

that you will most likely encounter is _______ _______ Artifact


✓ Partial Volume Artifact




Partial Volume Artifact is AKA:


✓ Slice THickness Artifact




_______ ______ Artifact (AKA _____ _________ Artifact) occurs when the slice

thickness is WIDER than the structure being imaged


✓ Partial Volume Artifact (AKA Slice thickness artifact)




_____ Imaging is helpful for measring anatomic volumes, especially those that

are irregularly shaped.


✓ 3D




_________ Artifact is created when the sound beam bounces off of one or

more reflectors before it encounters a reflector that redirects it back to the

transducer




Master01 |Excellent Study Material| Latest update

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