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Test Bank: Sonography Principles & Instrumentation Exam 2023 Questions And Answers Graded A+ $24.99   Add to cart

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Test Bank: Sonography Principles & Instrumentation Exam 2023 Questions And Answers Graded A+

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Test Bank: Sonography Principles & Instrumentation Exam 2023 Questions And Answers Graded A+ What is refraction? - CORRECT ANSWERDeflection of ultrasound waves due to media with varied acoustic impedance What is reflection? - CORRECT ANSWERReturn of the ultrasound wave to the ...

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  • September 9, 2024
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  • Tesnciples & Instrumentati
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Test Bank: Sonography
Principles &
Instrumentation Exam
2023 Questions And
Answers Graded A+

,What is refraction? - CORRECT ANSWER-
Deflection of ultrasound waves due to
media with varied acoustic impedance


What is reflection? - CORRECT ANSWER-
Return of the ultrasound wave to the
transducer from a smooth surface


When does the greatest amount of
reflection occur? - CORRECT ANSWER-When
the incident beam is perpendicular to the
structure (i.e. specular reflection)

,What are the four ways that sound can
interact with tissue? - CORRECT ANSWER-1.
Reflection
2. Scatter
3. Refraction
4. Attenuation


What is scatter? - CORRECT ANSWER-
Deflection of ultrasound waves from small
structures; red blood cells scatter sound


What is attenuation? - CORRECT ANSWER-
Loss of ultrasound signal due to absorption
in tissues as it travels

, Higher frequencies have (higher/lower)
attenuation rates. - CORRECT ANSWER-
higher


What happens if there is air between the
probe and the patient's skin (i.e. no acoustic
gel is applied)? - CORRECT ANSWER-Sound
will scatter and no image will be produced


What is a pulser? - CORRECT ANSWER-Part
of the beam former that generates the
voltage to excite the piezoelectric element
so that it produces sound pulse


What does the pulser determine? -
CORRECT ANSWER-- The amplitude of the
voltage spike applied to the element

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