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Amri 310 week 6 knowledge check questions with complete solutions 2024 $13.49   Add to cart

Exam (elaborations)

Amri 310 week 6 knowledge check questions with complete solutions 2024

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  • Course
  • AMRI 310
  • Institution
  • AMRI 310

Amri 310 week 6 knowledge check questions with complete solutions 2024

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  • October 17, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • AMRI 310
  • AMRI 310
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LEWISSHAWN55
Amri 310 week 6 knowledge check
___ are designed with additional loops and circuitry to improve the efficiency
with which the MR signal is induced in the coil - correct answer ✔Quadrature
coils


A disadvantage of GRE is that it doesn't provide a good signal (SNR) and
therefore the image is grainer - correct answer ✔True


CSE sequences have the advantage of shorter scan times - correct answer
✔False


Which describes a phased array coil? - correct answer ✔Set of receive coil
channels that appear to overlap within the coil cover


Typically surface coils can only__ signal - correct answer ✔Receive


Typically ___ coils can transmit RF and receive MR signal - correct answer
✔volume


_____________ coils are two surface coils that work in tandem using the
same receiver/circuitry. - correct answer ✔helmholtz pair


Which is not a type of coil architecture? - correct answer ✔multi-slice


Maximum signal is produced in the receiver coil when the net magnetization is
tipped - correct answer ✔90 degrees

, ___ is the conventional symbol for the radio frequency field strength - correct
answer ✔B1


The coils inside the scanner that are closer to the patient are the ______ coils
- correct answer ✔Rf


All of the following are examples of surface coils except - correct answer
✔Head coil


Which of the following coils yields the high SNR of a sensitive, small surface
coil, yet covers a large area ? - correct answer ✔Phased array coil


Which type of RF coil is much more efficient in the transfer of RF energy to
the patient ? - correct answer ✔


The multi-turn solenoid, bird cage coil, single turn solenoid, and saddle coil
are typically operated as ___ of RF energy - correct answer ✔Transmit and
receive


Parallel imaging causes the MRI scanner to sample twice as many phase
encoding steps, thus increasing scan time. - correct answer ✔False


Which coil is most useful when imaging the prostate on a 1.5 T scanner ? -
correct answer ✔Endorectal coil


The frequency of the radio frequency coil is defined by the __ relationship -
correct answer ✔Larmor

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