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18 Questions

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MRI Brain Indications Quiz

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Questions and Answers

Which of the following is NOT an indication for an MRI brain scan?

Transient ischaemic attack (TIA) (correct)

Loss of consciousness

Headaches

Cognitive decline

Which of the following is a contraindication for an MRI brain scan?

Cerebrovascular attack (CVA) (correct)

Metallic foreign body in the eye

Pregnancy

Ataxia

Which of the following should be removed before entering the MRI scanner room?

Hairpins (correct)

Keys

Jewellery

Coins

Which of the following is true regarding the use of gadolinium in MRI scans?

Gadolinium should be given to the patient if GFR is > 30 Signup and view all the answers

What is the recommended dose of gadolinium DTPA injection for adults, children, and infants?

0.2 mmol/kg Signup and view all the answers

Which of the following is a suggested protocol for positioning during an MRI brain scan?

Position the head in the head coil and immobilize with cushions Signup and view all the answers

When planning the axial slices for an MRI brain scan, what should the angle of the position block be in the coronal plane on a tilted head?

Perpendicular to the line of the 3rd ventricle and brain stem Signup and view all the answers

Which of the following is a contraindication for an MRI scan?

Having a cardiac pacemaker Signup and view all the answers

What is the advantage of using MRI over CT?

MRI does not use ionizing radiation Signup and view all the answers

What is the role of the MR Safety Officer (MRSO)?

To execute safety procedures and practices Signup and view all the answers

Which organization provides testing and board certification for MRMD, MRSO, and MRSE positions?

American Board of Magnetic Resonance Safety (ABMRS) Signup and view all the answers

Which of the following is NOT a category for medical devices and implants in terms of MRI safety?

MR-Approved Signup and view all the answers

Which type of implants are generally safe from attraction and torque forces produced by the magnetic field?

Titanium and its alloys Signup and view all the answers

What is the primary safety concern related to MRI and metallic medical implants?

Implant heating by absorbing RF energy Signup and view all the answers

Which of the following is a potential risk associated with MRI scans?

All of the above Signup and view all the answers

What is the purpose of using ferromagnetic detection devices in radiology departments?

To reduce the risk of projectile accidents Signup and view all the answers

Which of the following is NOT a proven risk of an MRI scan?

Biological harm Signup and view all the answers

What can cause peripheral nerve stimulation during an MRI scan?

The rapid switching on and off of magnetic field gradients Signup and view all the answers