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 (correct)

To assess the patient's ability to hold their breath

To check the patient's vision

To determine the patient's hair color

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

Visual disturbances

Hearing loss

Multiple sclerosis (MS)

Dental caries (correct)

What equipment is typically used for brain MRI imaging?

Head coil and immobilization pads (correct)

Ultrasound probe

X-ray tube

Endoscope

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

Lying supine with their head within the head coil Signup and view all the answers

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

Functional MRI (fMRI) Signup and view all the answers

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

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

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

Diffusion Tensor Imaging (DTI) 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?

Susceptibility-Weighted Imaging (SWI) 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?

Magnetic Resonance Spectroscopy (MRS) Signup and view all the answers

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

Perfusion MRI (pMRI) Signup and view all the answers

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

To immobilize the patient 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?

Functional MRI (fMRI) Signup and view all the answers

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

Diffusion-Weighted Imaging (DWI) Signup and view all the answers

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

T2-Weighted Axial Imaging Signup and view all the answers

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

T1-Weighted Coronal Imaging Signup and view all the answers

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

Fluid-Attenuated Inversion Recovery (FLAIR) Imaging 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?

5-6 mm Signup and view all the answers

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

0 and 1000 sec/mm² Signup and view all the answers

Brain MRI Imaging for MRI Technologists

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