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SPI Final Exam Review | 97 Actual Questions and Answers 100% Correct |
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SPI Final Exam Review | 97 ActualQuestions and Answers 100% Correct |
2024-2025
The compression controls affect the? - ANSWER dynamic range of the receiver
Lateral resolution is approximately equal to? - ANSWER The bean width
WOF increases frame rate? - ANSWER Decrease image depth
What is the definition of Acoustic Intensity? - ANSWER Acoustic power per unit
Area of the sound beam.
The operating frequency of a dedicated CW Doppler transducer is determined by?
- ANSWER The frequency of the drive voltage.
Which of the following is not an example of an electromagnetic wave? -
ANSWER Sound
Which resolution has the ability to accurately depict moving structures -
ANSWER temporal
What does the following definition describe "used to minimize the acoustic
impedance mismatch between the crystal and the tissue." - ANSWER matching
layer
, Which one of the following components of an ultrasound transducer converts
acoustic pressure into electrical voltage? - ANSWER Piezoelectric crystal
Which one of the following describes the relationship between Frequency and
Period? - ANSWER Reciprocal
A B-mode signal is presented as a - ANSWER bright spot
What is the degree of refraction if there is an incident angle of 60 degrees and a
transmission angle of 80 degrees? - ANSWER 20
If 3000 cycles occur in 2 seconds, the Frequency would be - ANSWER 1.5 KHz
The ability to resolve two structures lying perpendicular to the sounds beams
main axis is called: - ANSWER Lateral Resolution
WOF Frequencies is infrasonic? - ANSWER 14Hz
An average frame rate for conventional real-time ultrasound system is about: -
ANSWER 30Hz
Pulsed duration is expressed in the same units as - ANSWER Period
Circular waves that travel across the surface when a rock is tossed into the water
are called: - ANSWER Rayleigh Waves
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