100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MRSE Exam Questions and Answers | Latest Update $13.49   Add to cart

Exam (elaborations)

MRSE Exam Questions and Answers | Latest Update

 11 views  0 purchase
  • Course
  • MRSE
  • Institution
  • MRSE

Formula for temperature change in a patient -:- dTp/dt = SAR/C, where C = 4186 J/kg, Tp = temperature How much does liquid helium expand when transitioning to gaseous helium? -:- >700x Electric field density (JE) formula -:- JE = Conductivity x electric field strength x B0 x V where V = ...

[Show more]

Preview 4 out of 40  pages

  • September 13, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MRSE
  • MRSE
avatar-seller
TestTrackers
2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




MRSE Exam Questions and Answers |
Latest Update
Formula for temperature change in a patient

✓ -:- dTp/dt = SAR/C, where C = 4186 J/kg, Tp = temperature




How much does liquid helium expand when transitioning to gaseous helium?

✓ -:- >700x




Electric field density (JE) formula

✓ -:- JE = Conductivity x electric field strength x B0 x V where V = velocity?




What is the most accurate way to measure energy dose to the patient?

✓ -:- B1 + rms




Kinetic stability

✓ -:- The rate at which a gadolinium agent dissociates




Thermodynamic stability

✓ -:- the change that a gadolinium agent will transmetallate




1|P a g e | G r a d e A + | 2 0 2 0 2 5

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


Diamagnetic

✓ -:- Very small negative magnetic susceptibility (X), two electrons in an orbital




Paramagnetic

✓ -:- Very small positive magnetic susceptibility (X), one electron in an orbital




Ferromagnetic

✓ -:- very large positive magnetic susceptibility (X), domains of directional

magnetism that can align with an external field, retains magnetism after being

removed from field




RF Pulse power (heating) formula

✓ -:- Power = Flip Angle ^2 x (Tp / Tr) where Tp = pulse duration, Tr =




Slew rate formula

✓ -:- Maximum Gradient Strength (mT/m) / Rise Time (ms)




What parameters can be changed to reduce Peripheral Nerve Stimulation (PNS)?




2|P a g e | G r a d e A + | 2 0 2 0 2 5

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


✓ -:- Increase rise time (reduces slew rate), decrease matrix/phase encoding

(reduces slope of gradient), increasing slice thickness (shallower slice selection

gradient), increase FOV (shallower frequency encoding gradient), phase noise-

canceling (opposite frequency to noise), increase echo time TE




Nitinol is (paramagnetic/diamagnet/ferromagnetic)

✓ -:- paramagnetic




What quantitative property of the gradient coils is responsible for Peripheral Nerve

Stimulation (PNS)?

✓ -:- slew rate




What contrast agents are the most stable?

✓ -:- macrocyclic, ionic




What is a common dose of gadolinium?

✓ -:- 0.1 mmol/kg




In what direction relative to the magnetic flux will the strongest Lenz's force be produced?

✓ -:- antiparallel




What is the ASTM duration of time defined for heating effects?

3|P a g e | G r a d e A + | 2 0 2 0 2 5

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


✓ -:- 15 mins continuous scanning




Where is translational force at a maximum?

✓ -:- edge of bore




Where is translational force at a minimum?

✓ -:- isocenter




Where is rotational force at a maximum?

✓ -:- isocenter




Where are gradient fields at their maximum?

✓ -:- inner periphery of bore




Do gradient fields extend outside the bore?

✓ -:- yes




Do RF fields extend outside the bore?

✓ -:- no




What kind of stainless steel is NOT ferritic?


4|P a g e | G r a d e A + | 2 0 2 0 2 5

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75323 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.49
  • (0)
  Add to cart