SPI Review Questions And Verified Answers || Graded A+ | 2025|2026 EXAM UPDATE

SPI Review Questions And Verified Answers || Graded A+ |
2025|2026 EXAM UPDATE



Which of the following has a significant dependence on frequency and soft tissues?
a. Propagation speed
b. Density
c. Stiffness
d. Attenuation

e. Impedance - d. Attenuation


The frequencies using diagnostic ultrasound imaging ____________.
a. Are much lower than those used in Doppler measurements
b. Determine imaging death and tissue
c. Determine detail resolution
d. All of the above

e. b and c - e. b and c


Diagnostic Ultrasound frequency range is ____________.
a. 2 to 20 MHz
b. 2 to 20 kHz
c. 2 to 20 MHz
d. 5 to 15 kHz

e. none of the above - c. 2 to 20 MHz


A flat panel display composed of a back-lighted rectangular matrix of thousands of ____________
display elements.
a. Plasma

, b. Television
c. Florescent
d. Liquid-crystal

e. piezo-crystal - d. Liquid-crystal


Image Processor changes signals from ________ to _________ Format.
a. Grayscale, color
b. Radio frequency, amplitude
c. B mode, M mode
d. Scan line, image

e. None of the above - d. Scan line, image


Echo intensity is represented in an image memory by _________ .
a. Positive charge distribution
b. A number
c. Electron density of the display writing beam
d. a and c

e. All of the above - b. A number


Which of the following is performed in a signal processor?
a. Filtering
b.Detection
c. Compression
d. all of the above

e. None of the above - d. all of the above


Increasing the pulse repetition frequency_____________.
a. Improves detail resolution