FREE RADIOLOGY AND STUDY GAMES ABOUT MRI

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FREE RADIOLOGY AND STUDY GAMES ABOUT MRI

REGISTRY EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -113 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Removal of signal from vessels

Answer:

Spatial pre-saturation

Question 2: Small FOV

Answer:

Decreases SNR, increases spatial resolution, no effect on skin time

Question 3: Transmit gain

Answer:

Evaluate accuracy of flip angles

Question 4: Active shielding

Answer:

Superconducting windings in the MRI scanner ( reduce fringe Field)

Question 5: Nerve V

Answer:

Trigeminal

Question 6: High NEX value

Answer:

Increases spatial resolution, increases scan time, increases SNR Question 7: Tissues with a_____are bright on T1 and tissues with a______are bright on T2

Answer:

Short; long

Question 8: Increasing the echo train length

Answer:

Increases chances of blur

Question 9: Pixel size equation for phase and frequency matrix multiplied =

Answer:

Pixel area (answer in MM squared)

Question 10: FOV/phase & FOV/frequency =

Answer:

Pixel size (answer in A x B format)

Question 11: Nerve XI

Answer:

spinal accessory

Question 12: QC test for low contrast spatial resolution

Answer:

Circular image. Should be able to visualize 10 spokes

Question 13: Acquiring half of data in the phase direction

Answer:

Half forurier or zero fill

Question 14: Transmit bandwidth can affect

Answer:

Slice thickness, spatial resolution, SNR

Question 15: Narrow bandwidth

Answer:

Increases SNR, increases spatial resolution, increases scan time, increases chemical shift

Question 16: The sagittal dural sinuses drain into the

Answer:

Internal jugular vein

Question 17: Artifacts that occur in the phase direction

Answer:

Motion, ghosting, zipper, parallel imaging, alaising

Question 18: Thick slices

Answer:

Increase SNR, decreased spatial resolution

Question 19: The first image of the human thorax was in the year

Answer:

1977 (By the Damadian and team)

Question 20: Large FOV

Answer:

Decreases spatial resolution, increases SNR, no affect on scan time

Question 21: Echo planer imaging sequences

Answer:

Are more at risk for TVMF effects

Question 22: The two best planes for TOF of the subclavian artery's are

Answer:

Axial and sagittal

Question 23: Low NEX value

Answer:

Decreases spatial resolution decreases scan time decreases SNR, increases motion artifact Question 24: During dynamic contrast enhanced imaging for vasculature, Cay spaces filled_______to ensure well visualized contrast

Answer:

Centrically Question 25: Best plane for the ovaries is____and to the best plane for the uterus is_____

Answer:

Coronel; sagittal

Question 26: Decreasing the field of view by two

Answer:

Decreases voxel volume by four

Question 27: TR x phase matrix x NEX =

Answer:

Spin echo scan time Question 28: Discovered to DNMR, Fourier transform, and phase and frequency gradients

Answer:

Ernst