ARRT MRI EXAM FINAL EXAM | QUESTIONS AND ANSWERS |
VERIFIED AND WELL DETAILED ANSWERS | EXAM GRADED A+|
LATEST UPDATE
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 Canal
How 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 oblongata
On a T2 weighted image, CSF appears bright because it has a __________
relaxation time.
long T2
Which area(s) of the brain is/are typically affected in patients with a history of
epilepsy?
frontal lobe and/or temporal lobe
The right and left optic nerve join at the:
, Optic chiasm
The medial and lateral rectus muscles are located in the:
Eyes
What scan plane would be optimal for visualization of the hippocampus?
Coronal oblique
Which dural venous sinuses drain from the confluence of sinuses (by the
internal occipital protuberance) to the mastoid portion of the temporal?
Transverse sinuses
The stalk of the pituitary gland is also known as the
Infundibulum
Which structure lies adjacent to the head of the caudate nucleus?
Anterior horn of the lateral ventricle
In the TMJ's, the articular disc lies between what two anatomical structures?
Mandibular fossa and mandibular condyle
The insular cortex is primarily responsible for:
Motor control; cognitive function
Which cranial nerve is responsible for Bell's Palsy?
Cranial nerve VII (the facial nerve)
To accurately depict the VII and VIII cranial nerves, the patient would
centered at the level of the:
External auditory meatus
The dural venous sinuses that drain into the internal jugular vein are the:
Sigmoid sinus
When positioning a patient for a brain MRI, the centering should be placed at
what anatomical landmark?
VERIFIED AND WELL DETAILED ANSWERS | EXAM GRADED A+|
LATEST UPDATE
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 Canal
How 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 oblongata
On a T2 weighted image, CSF appears bright because it has a __________
relaxation time.
long T2
Which area(s) of the brain is/are typically affected in patients with a history of
epilepsy?
frontal lobe and/or temporal lobe
The right and left optic nerve join at the:
, Optic chiasm
The medial and lateral rectus muscles are located in the:
Eyes
What scan plane would be optimal for visualization of the hippocampus?
Coronal oblique
Which dural venous sinuses drain from the confluence of sinuses (by the
internal occipital protuberance) to the mastoid portion of the temporal?
Transverse sinuses
The stalk of the pituitary gland is also known as the
Infundibulum
Which structure lies adjacent to the head of the caudate nucleus?
Anterior horn of the lateral ventricle
In the TMJ's, the articular disc lies between what two anatomical structures?
Mandibular fossa and mandibular condyle
The insular cortex is primarily responsible for:
Motor control; cognitive function
Which cranial nerve is responsible for Bell's Palsy?
Cranial nerve VII (the facial nerve)
To accurately depict the VII and VIII cranial nerves, the patient would
centered at the level of the:
External auditory meatus
The dural venous sinuses that drain into the internal jugular vein are the:
Sigmoid sinus
When positioning a patient for a brain MRI, the centering should be placed at
what anatomical landmark?
