ARDMS SPI Exam Review TEST 1August 16, 2017 by Rana Waqar Leave a Comment 1. Which of the following is described as the ability of an object to resist compression and relates to the hardness of a medium?a. Stiffnessb. Densityc. Pressured. Inertia2. An increase in pulse repetition frequency would lead to:a. An increase in duty factorb. An increase in pulse durationc. An increase in the number of cyclesd. A decrease in resolution3. Which of the following would have the highest propagation speed?a. Airb. Bonec. Soft tissued. Water4. Which of the following would have the lowest propagation speed?a. Waterb. Soft tissuec. Boned. Lung tissue5. As imaging depth increases, the pulse repetition frequency must:a. Not changeb. Increasec. Decreased. Pulse repetition frequency does not relate to imaging depth6. Which of the following describes the amount of refraction that occurs at an interface?a. Bernoulli’s lawb. Poiseuille’s lawc. Law of reflectiond. Snell’s law7. Pressure is typically expressed in:a. Frequencyb. Pascalsc. Decibelsd. Kilograms per centimeter cubed8. The typical range of frequency for diagnostic ultrasound imaging is:a. 20 to 20,000 Hzb. 1 to 20 MHzc. 10 to 20 MHzd. 12 to 100 MHz9. The attenuation coefficient in soft tissue is equal to:a. One half of the operating frequencyb. Double the operating frequencyc. Frequency times path lengthd. The total decibels10. Micro denotes:a. Millionthb. Hundredthc. Milliond. Billionth For More questions please join Our facebook group: https://www.facebook.com/groups/249298882082586/?ref=br_rs
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