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Exam (elaborations)

MRSO: Exam 2 Questions & 100% Correct Answers

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  • Module
  • MRSO
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  • MRSO

What is the name of the gradient coil used to produce sagittal and coronal images? a. Transverse coil b. Golay coil c. Maxwell coil d. Receiver coil ~~> b. Golay coil ("saddle coil") Which of the following is able to handle the most RF heating? a. elderly b. adult c. obese adult d. ...

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  • September 12, 2024
  • 32
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MRSO
  • MRSO
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1 | P a g e | © copyright 2024/2025 | Grade A+




MRSO: Exam 2 Questions & 100% Correct
Answers
What is the name of the gradient coil used to produce sagittal and coronal

images?

a. Transverse coil

b. Golay coil

c. Maxwell coil

d. Receiver coil

✓ ~~> b. Golay coil ("saddle coil")




Which of the following is able to handle the most RF heating?




a. elderly

b. adult

c. obese adult

d. neonate

✓ ~~> d. neonate




Which of the following techniques can be used to increase the echo

spacing? Select all that apply.


Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+




a. Increase the TR

b. Decrease receiving bandwidth

c. Increase receiving bandwidth

d. Use a receive only coil

e. Increase field of view

f. Increase flip angle

✓ ~~> b, e




Decreasing the receiving bandwidth will be lengthening the sample time. This

may force us to increase our TE as well as the TR. Increasing the field of view

will also allow for longer echo spacing.




The differences in magnetic field strength as you approach the MRI unit is

termed what?




a. Spatial magnetic gradient

b. Gauss line

c. RF energy

d. Gradient coils



Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+



✓ ~~> a. Spatial magnetic gradient

Measured in dB/dx




Which of the following produce the greatest chance for peripheral nerve

stimulation?




a. Conventional spin echo

b. Fast spin echo

c. Gradient echo

d. EPI

✓ ~~> d. EPI




A deflection of 45 degrees in a tested implant indicates that it deflects at a

force equal to what?




a. 0.5 gravity force

b. 2 gravity force

c. 0.25 gravity force

d. 1 gravity force




Master01 | September, 2024/2025 | Latest update

, 4 | P a g e | © copyright 2024/2025 | Grade A+



✓ ~~> d. 1 gravity force




4T/m is equal to what?




a. 4000 G/cm

b. 4G/cm

c. 40 G/cm

d. 400 G/cm

✓ ~~> d. 400 G/cm

1T = 10,000 G

1m = 100 cm

Therefore, 1 T/m=10,000G/100cm

This means that 1 T/m=100 G/cm




How do we calculate the maximal spatial gradient?




a. dB/dx * B

b. dB/dt * W/kg

c. W/kg

d. B


Master01 | September, 2024/2025 | Latest update

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