ARRT MRI EXAM FINAL EXAM PRACTICE EXAM AND
STUDY GUIDE 300+ ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED A+
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?
Nasion
If the third ventricle is dilated, but the fourth ventricle is not, there would then be
pathology associated with:
Aqueduct of Sylvius
A depression in the base of the skull where the pituitary gland is located is called
the ___________.
Sella turcica
Which fissure divides the frontal and parietal lobes from the temporal lobes?
sylvan fissure
The __________________ runs the length of the falx cerebri.
Superior sagittal sinus
How do the vertebral arteries enter the cranium?
foramen magnum
What would be the most useful sequence for evaluation of an acute stroke?
diffusion weighted
When performing an MRI to confirm a suspected pituitary microadenoma,
contrast is injected and imaging is performed:
Rapidly
Lesions appear as _____________________ compared to the enhanced pituitary
gland in contrast MR imaging
low signal intensity
When performing MRI to rule out brain tumors, the weighted images acquired to
evaluate the extent of lesion involvement, after injection of gadolinium, are:
T1 weighted
STUDY GUIDE 300+ ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED A+
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?
Nasion
If the third ventricle is dilated, but the fourth ventricle is not, there would then be
pathology associated with:
Aqueduct of Sylvius
A depression in the base of the skull where the pituitary gland is located is called
the ___________.
Sella turcica
Which fissure divides the frontal and parietal lobes from the temporal lobes?
sylvan fissure
The __________________ runs the length of the falx cerebri.
Superior sagittal sinus
How do the vertebral arteries enter the cranium?
foramen magnum
What would be the most useful sequence for evaluation of an acute stroke?
diffusion weighted
When performing an MRI to confirm a suspected pituitary microadenoma,
contrast is injected and imaging is performed:
Rapidly
Lesions appear as _____________________ compared to the enhanced pituitary
gland in contrast MR imaging
low signal intensity
When performing MRI to rule out brain tumors, the weighted images acquired to
evaluate the extent of lesion involvement, after injection of gadolinium, are:
T1 weighted
