100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MRSO MOCK EXAM 1 QUESTIONS AND ANSWERS $9.00   Add to cart

Exam (elaborations)

MRSO MOCK EXAM 1 QUESTIONS AND ANSWERS

 6 views  0 purchase
  • Course
  • MRSO
  • Institution
  • MRSO

MRSO MOCK EXAM 1 QUESTIONS AND ANSWERS

Preview 4 out of 95  pages

  • September 24, 2024
  • 95
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MRSO
  • MRSO
avatar-seller
selftest
Name: Score:


95 Multiple choice questions

Term 1 of 95
5,000G is equal to _____ T.

2T

0.25T

1T

0.5T

Term 2 of 95
Which of the following are true of 1.5 T MR units vs. 3.0 T? Select all that apply.


Ferrous objects show more attraction at 3.0 T vs 1.5 T


Implants that are safe at 3.0 T do not mean that they are safe at 1.5 T


Heating in the pacemaker leads not connected to a generator is higher at 3.0 T than 1.5 T


Small metallic passive objects are safe at 3.0 T and not at 1.5 T

It is hypothesized that gadolinium retention occurs due to it following pathways that
other metals do, such as iron and calcium.

Lenz's effect


Ferrous objects show more attraction at 3.0 T vs 1.5 T
Implants that are safe at 3.0 T do not mean that they are safe at 1.5 T


These implants may contain magnetic components that can be attracted to the MR unit.

,Term 3 of 95
What type of contrast is Dotarem?

Ionic, macrocylic


Non ionic, macrocylic

Ionic, non ionic


Linear, macrocylic

Term 4 of 95
A patient is complaining of discomfort from high SAR during a fast spin echo. What can be
done to make them more comfortable?

Decrease the TR

Decrease the echo train length


Increase the receiving bandwidth

Increase the flip angle

Term 5 of 95
Which of the following will influence translational force? Select all that apply.


Spatial gradient magnetic field
Strength of the magnetic field strength
Magnetic susceptibility
Mass of the object

Ferrous objects show more attraction at 3.0 T vs 1.5 T
Implants that are safe at 3.0 T do not mean that they are safe at 1.5 T

Physiologic reactions

Contains thin coiled copper wires

Spatial gradient magnetic field
Strength of the magnetic field strength
Magnetic susceptibility
Mass of the object

,Term 6 of 95
Which of the following are sensations that occur from the time-varying gradient field?

Twitching


Tingling

Pain

All of the choices

Term 7 of 95
Which of the following is true when scanning pregnant patients?

Stay in normal mode


All of the choices

Scanning at 1.5 T suggested

Communicate with patient

Term 8 of 95
Gadolinium contrast has been found in the body in what form? Select all that apply.


Free gadolinium is not bound to anything
Water soluble
Non-water soluble

High blood pressure

Deep brain stimulator


Can cause A burn

Water soluble
Non-water soluble

, Term 9 of 95
What is the half wavelength for a 1.5 T unit?

60 cm


25 cm

5 cm

12 cm

Term 10 of 95
A proximity burn occurs when?

A patient's skin is in contact with the gantry.

When an ECG wire forms a loop.

When a patient's skin forms a conductive loop.

When a electrical conductive material is placed on our patient.

Term 11 of 95
What needs to be in site when complying with the line of sight rule defined in the ACR Manual
on MRI Safety? Select all that apply.


Door to Zone 3
Console
Patient
Door to Zone 4

Console
Patient
Door to Zone 4


Console Patient Door to Zone 3

Console Patient Door to Zone 96

Break The Window to Zone iv

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 selftest. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.00. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

82871 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
$9.00
  • (0)
  Add to cart