Brain MRI Imaging for MRI Technologists

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What is the primary purpose of brain MRI imaging?

To detect abnormalities and measure blood flow in the brain

Which of the following is NOT a common indication for brain MRI imaging?

Dental caries

What equipment is typically used for brain MRI imaging?

Head coil and immobilization pads

How should the patient be positioned for a brain MRI exam?

<p>Lying supine with their head within the head coil</p> Signup and view all the answers

Which of the following techniques is NOT mentioned in the text for brain MRI imaging?

<p>Functional MRI (fMRI)</p> Signup and view all the answers

What is the purpose of using earplugs or headphones during a brain MRI exam?

<p>To prevent the patient from hearing the loud noises produced by the MRI scanner</p> Signup and view all the answers

Which MRI sequence is primarily used to assess brain connectivity and study conditions like traumatic brain injury?

<p>Diffusion Tensor Imaging (DTI)</p> Signup and view all the answers

Which MRI sequence is particularly valuable for detecting hemorrhages and venous abnormalities, especially in cases of head trauma and vascular disorders?

<p>Susceptibility-Weighted Imaging (SWI)</p> Signup and view all the answers

Which MRI sequence is primarily used to measure biochemical information about brain tissue and characterize brain lesions, tumors, and metabolic disorders?

<p>Magnetic Resonance Spectroscopy (MRS)</p> Signup and view all the answers

Which MRI sequence is valuable for diagnosing and monitoring acute stroke, vasculitis, and tumor response to treatment?

<p>Perfusion MRI (pMRI)</p> Signup and view all the answers

What is the purpose of using straps and foam pads during an MRI scan?

<p>To immobilize the patient</p> Signup and view all the answers

Which MRI sequence is typically used for preoperative planning in certain cases and maps brain activity and connectivity during tasks or at rest?

<p>Functional MRI (fMRI)</p> Signup and view all the answers

Which MRI sequence is particularly valuable for diagnosing acute stroke and evaluating tissue damage?

<p>Diffusion-Weighted Imaging (DWI)</p> Signup and view all the answers

Which MRI sequence is particularly useful for detecting white matter diseases and brain abnormalities?

<p>T2-Weighted Axial Imaging</p> Signup and view all the answers

Which MRI sequence is especially useful for assessing the pituitary gland and other coronal structures?

<p>T1-Weighted Coronal Imaging</p> Signup and view all the answers

Which MRI sequence is particularly helpful in detecting multiple sclerosis (MS) lesions and vascular abnormalities?

<p>Fluid-Attenuated Inversion Recovery (FLAIR) Imaging</p> Signup and view all the answers

What is the typical slice thickness used for T1-Weighted Axial Imaging, T2-Weighted Axial Imaging, T1-Weighted Coronal Imaging, and Fluid-Attenuated Inversion Recovery (FLAIR) Imaging?

<p>5-6 mm</p> Signup and view all the answers

What are the typical b-values used in Diffusion-Weighted Imaging (DWI)?

<p>0 and 1000 sec/mm²</p> Signup and view all the answers

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