Free SPI Questions for ARDMS Sonography Principles and Instrumentation SPI Exam as PDF & Practice Test Engine
What is the primary reason to use compression?
Correct Answer: D
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While imaging at a depth of 2 cm, which adjustment would improve the axial resolution?
Correct Answer: B
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What combination of transmitting frequency and depth produces the greatest ultrasound beam attenuation?
Correct Answer: C
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Which type of structure is best visualized with low persistence?
Correct Answer: B
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Which resolution can be evaluated in the area indicated by the red oval in this image of a tissue-equivalent phantom?
Correct Answer: C
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What determines the resonant frequency of a pulsed wave transducer?
Correct Answer: C
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Which target group is used to evaluate transverse distance measurement accuracy in this tissue-mimicking phantom image?
Correct Answer: C
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How is variable transmit focus with a linear phased array accomplished?
Correct Answer: A
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At which angle to blood flow would the maximum Doppler shift occur?
Correct Answer: D
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Which change would allow low velocities to be displayed in this spectral Doppler image?
Correct Answer: A
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Which characteristic of ultrasound transmission is directly proportional to an increase in frequency?
Correct Answer: D
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What causes increased echogenicity distal to an anechoic structure?
Correct Answer: C
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How is an ultrasound image affected if several adjacent crystals of a linear array transducer are damaged?
Correct Answer: B
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In this image, which characteristics of flow are represented by the upper right side of a variance mode color map?
Correct Answer: B
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