This quiz is free and covers MR Image Production topics. This quiz has 20 questions.
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Question 1 of 20
1. Question
In a typical superconducting magnet, the X gradient alters the magnetic field along which axis of the magnet?
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Question 2 of 20
2. Question
A large FOV leads to an increase in:
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Question 3 of 20
3. Question
The T1 relaxation or recovery time is the time it takes for:
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Question 4 of 20
4. Question
As FOV increases partial volume averaging:
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Question 5 of 20
5. Question
What artifact is demonstrated by the dark band seen in this image?
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Question 6 of 20
6. Question
Linear RF coils are:
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Question 7 of 20
7. Question
Slice profile #1 will result in an image with no cross excitation.
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Question 8 of 20
8. Question
RF coils that have two loops of wire arranged 90 degrees to each other are called:
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Question 9 of 20
9. Question
Slice profile #2 will result in an image with cross excitation.
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Question 10 of 20
10. Question
The depth of penetration of a surface coil is calculated as follows:
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Question 11 of 20
11. Question
Which of the following results in better SNR when imaging the same volume of tissue?
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Question 12 of 20
12. Question
Linear phased array coils are typically used to examine which body part?
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Question 13 of 20
13. Question
In a phased array configuration, connecting each RF coil to its own receiver results in:
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Question 14 of 20
14. Question
When comparing the size of RF coils, large RF coils result in all of the following EXCEPT:
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Question 15 of 20
15. Question
When comparing the size of RF coils, small RF coils result in all of the following EXCEPT:
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Question 16 of 20
16. Question
The transmit bandwidth and the slope of the slice select gradient determines the:
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Question 17 of 20
17. Question
The transmit bandwidth is used to excite a single precessional frequency.
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Question 18 of 20
18. Question
The net magnetic moment of the patient is called the:
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Question 19 of 20
19. Question
The NMV points in the direction of:
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Question 20 of 20
20. Question
In a typical superconducting magnet, the Z gradient alters the magnetic field along which axis of the magnet?
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