Edelman SPI Comprehensive Exam /Edelman
SPI Exam Predictor TEST BANK /Edelman
SPI Practice Exam With Complete Questions
And Correct Answers with Deatailed
Rationales Graded A+
The frequency closest to the lower limit of US is:
a. 19,000 kHz
b. 10,000 MHz
c. 20,000 msec
d. 15,000 Hz - Correct Answer :15,000 Hz
With regards to tissue heating, the American Institute of Ultrasound in Medicine has
recommended specific maximum intensity limits for focused and unfocused sound beams.
Which of the following statements is true?
a. The maximum intensity limit for a focused beam is higher than that of an unfocused beam.
b. The maximum intensity limit for an unfocused beam is higher than that of a focused beam.
c. The intensity limits for focused and unfocused beams are the same. –
Correct Answer :The maximum intensity limit for a focused beam is higher than that of an
unfocused beam.
A higher mechanical index is consistent with an increased likelyhood of cavitation. Which of
these choices is associated with a high mechanical index?
a. extreme peak rarefactional pressure and short wavelength
b. extreme peak rarefactional pressure and extremely short wavelength
A+ TEST BANK 1
, Edelman SPI Comprehensive Exam
c. extreme peak rarefactional pressure and high frequency
d. extreme peak compression pressure and high frequency
e. extreme peak rarefactional pressure and low frequency –
Correct Answer :extreme peak rarefactional pressure and low frequency
How are ultrasound transducers typically sterilized?
a. heating to the Curie point
b. cold-sterilization methods
c. autoclaving
d. alcohol emersion –
Correct Answer :b. cold-sterilization methods
What is the smallest element in a digital picture called?
a. the bit
b. the pixel
c. the byte
d. the fractal –
Correct Answer :b. the pixel
How does a cathode ray tube steer the charged particles emitted by the electron so that they
sweep across the front screen?
a. phasing
b. mechanical steering
c. using a magnetic field
A+ TEST BANK 2
, Edelman SPI Comprehensive Exam
d. reflecting off of a mirror –
Correct Answer :c. using a magnetic field
With 6 bits, what is the largest number of different shades of gray that can be stored?
a. 64
b. 8
c. 256
d. 16 –
Correct Answer :a. 64
Which of the following is a true statements?
a. there are two frames in a field
b. there are two fields in a frame
c. one frame takes 1/60th of a second
d. it takes 1/60th of a second to draw two fields –
Correct Answer :b. there are two fields in a frame
What happens to a digital image when the pixel density is increased?
a. there is more spatial detail
b. there is less spatial detail
c. the temporal resolution is increased
d. there are more shades of gray –
A+ TEST BANK 3
, Edelman SPI Comprehensive Exam
Correct Answer :a. there is more spatial detail
The part of the receiver that reduces low level system noise is the:
a. demodulation
b. compensation
c. amplification
d. rejection –
Correct Answer :d. rejection
What receiver function is responsible for decreasing the difference between the largest and
smallest received signal amplitudes?
a. amplfication
b. compensation
c. compression
d. rejection –
Correct Answer :c. compression
Sound bouncing off of a strong reflector and producing an image on the wrong location on the
display is:
a. range ambiguity
b. mirror image artifact
c. slice thickness artifact
d. enhancement –
Correct Answer :b. mirror image artifact
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