Updated SPI Exam Dumps (V9.02) to Master the Latest Concepts: Continue to Check SPI Free Dumps (Part 2, Q41-Q80) Today

1. Which type of structure is best visualized with low persistence?

2. What is an advantage of power Doppler over color Doppler?

3. During 3-D volume acquisition, the quality of the images is most dependent upon which factor?

4. Which statement characterizes the primary difference between image A and image B?

5. Which artifact displays reflectors more shallow than their actual position?

6. Which factor improves axial resolution?

7. Which adjustment will reduce the artifact in the cystic lesion in image A resulting in image B?

8. What occurs when the pulse repetition frequency is less than twice the Doppler shift frequency?

9. In this image, which characteristics of flow are represented by the upper right side of a variance mode color map?

10. Which settings will lead to the highest temporal resolution?

11. Which ultrasound adjustment allows for an increased frame rate in color flow Doppler?

12. What adjustment is needed to optimize the color in the image below?

13. Which resolution capability is most affected by spatial pulse length?

14. What is effected by increasing the color scale?

15. What are two types of cavitation in tissue?

16. What is the most effective way to reduce aliasing on color Doppler?

17. Which adjustment can maintain the same frame rate when the depth is increased?

18. What reduces speckle and increases visualization of specular reflectors and attenuated structures?

19. Which image demonstrates appropriate spectral Doppler gain?

20. Which change was made after acquiring image A to produce image B?

21. What is the primary interaction that occurs when sound waves encounter a smooth, flat surface?

22. How is intensity of an ultrasound beam measured?

23. What is the term for the change in direction of a sound wave crossing a tissue boundary at an oblique angle?

24. Which resolution is improved by focusing?

25. Which artifact may be caused by incorrect color Dopplergain setting?

26. Which color Doppler artifact is visualized in this image?

27. Which factor has a positive effect on temporal resolution?

28. What determines the resonant frequency of a pulsed wave transducer?

29. Which type of resolution will be improved by decreasing the depth of field?

30. What results from increasing the packet length when using color Doppler imaging?

31. Which change can be made in order to avoid exceeding the Nyquist limit?

32. Which statement describes the purpose of using a spectral Doppler wall filter?

33. At which angle to blood flow would the maximum Doppler shift occur?

34. Which describes the reflected frequency when a reflector is moving toward the sound source?

35. Which factor does a string phantom evaluate?

36. A Doppler shift is 10,000 Hz at an angle of flow of 60 degrees.

What is the Doppler shift at 0 degrees?

37. Which target group in this image of a tissue-mimicking phantom is used for gray-scale evaluation?

38. In this image, what does the data below the baseline represent?

39. What is the function of M-mode?

40. Which type of display process rescans only the region of interest and improves resolution?