AND INSTRUMENTATION STUDY GUIDE
2026 CERTIFICATION A+
◉ Elements
Absorption
Energy
Scattering.
Answer: Which of the following would be considered the dominant
factor which contributes to the attenuation of the ultrasound in soft
tissues?
◉ An emitter of ultrasound transducer.
When there is force per unit area applied to a material which
stretches.
A narrowing of a vessel lumen.
None of the above.
Answer: Stress would be best described as which of the following?
, ◉ Luminance
Phase quadrature
Persistence
Pressure.
Answer: The averaging of sequential frames together would be
considered __________?
◉ Increases it
The velocity would remain the same
It would decrease sharply and then increase sharply
It would decrease..
Answer: What effect would inspiration have on the mitral valve
velocity?
◉ Mechanical
Multidirectional array
Constant array
Nonmechanical array.