ARDMS SPI Exam Review TEST 1

August 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. Stiffness
- b. Density
- c. Pressure
- d. Inertia
2. An increase in pulse repetition frequency would lead to:
- a. An increase in duty factor
- b. An increase in pulse duration
- c. An increase in the number of cycles
- d. A decrease in resolution
3. Which of the following would have the highest propagation speed?
- a. Air
- b. Bone
- c. Soft tissue
- d. Water
4. Which of the following would have the lowest propagation speed?
- a. Water
- b. Soft tissue
- c. Bone
- d. Lung tissue
5. As imaging depth increases, the pulse repetition frequency must:
- a. Not change
- b. Increase
- c. Decrease
- d. Pulse repetition frequency does not relate to imaging depth
6. Which of the following describes the amount of refraction that occurs at an interface?
- a. Bernoulli’s law
- b. Poiseuille’s law
- c. Law of reflection
- d. Snell’s law
7. Pressure is typically expressed in:
- a. Frequency
- b. Pascals
- c. Decibels
- d. Kilograms per centimeter cubed
8. The typical range of frequency for diagnostic ultrasound imaging is:
- a. 20 to 20,000 Hz
- b. 1 to 20 MHz
- c. 10 to 20 MHz
- d. 12 to 100 MHz
9. The attenuation coefficient in soft tissue is equal to:
- a. One half of the operating frequency
- b. Double the operating frequency
- c. Frequency times path length
- d. The total decibels
10. Micro denotes:
- a. Millionth
- b. Hundredth
- c. Million
- d. Billionth

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