ARRT MRI exam study guide Questions with 100% Correct Answers | Updated & Verified | 2024

If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed. - Inner auditory canals The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation. - sagittal A FLAIR sequence with a long TI is utilized to: - null the signal from CSF If a brain exam is being perfomed and the request is made to rule out microadenoma due to elevated prolactin levels, a protocol with thin cuts through the ____________ should be performed. - pituitary gland If a brain exam is being perfomed and the request is made to rule out globe tumor due to symptoms of diplopia, a protocol with thin cuts through the ____________ should be performed - orbits/ optic nerves MR findings of a low volume corpus callosum and increased white matter lesions can be indicative of a diagnosis of: - multiple sclerosis If a brain exam is being performed and the request is made to evaluate cranial nerves VII and VIII due to the patient's symptoms of tinnitus, a protocol with thin cuts through the ____________ should be performed. - Inner Auditory CanalHow many cranial nerves are there? - 12 pairs To best visualize the pituitary gland in MRI, high resolution T1 weighted images in the __________ planes pre and post contrast are optimal. - sagittal and coronal ____________ is a condition in which part of the cerebellar tonsil is displaced through the foramen magnum. - chiari malformation When imaging a hemorrhagic infarct in the brain, which pulse sequence would demonstrate the magnetic susceptibility effects better? - gradient echo _______ sequences are performed to suppress CSF (cerebro-spinal fluid)and aid in the detection of demyelination. - FLAIR The brainstem includes what? - midbrain, pons, medulla oblong