Chapter 13 Quiz Flashcards
Which of the following patterns of FDG uptake in the brain is most typical of Alzheimer’s dementia?
bilateral parietal lobe hypometabolism
cerebellar hypermetabolism
symmetric frontal lobe hypometabolism
unilateral temporal lobe hypometabolism
bilateral parietal lobe hypometabolism
What is the goal of current medical therapy for patients with Alzheimer’s disease?
calming agitated patients
curing the disease
restoring memory loss
slowing the progression of memory loss
slowing the progression of memory loss
Which of the following patterns of FDG uptake in the brain is most typical of frontotemporal dementia (Pick’s disease)?
Bilateral parietal lobe hypometabolism
cerebellar hypermetabolism
symmetric frontal lobe hypometabolism
unilateral temporal lobe hypometabolism
symmetric frontal lobe hypometabolism
In patients undergoing FDG PET for evaluation of seizures, which of the following is TRUE?
-epileptic foci appear hypometabolic compared with normal brain
-seizure medications should be withheld before scanning
-findings on PET are used to determine the best medication to treat the patient
-there is no need for EEG monitoring during the procedure
epileptic foci appear hypometabolic compared with normal brain
Which of the following describes the correct brain region/function combination?
-cerebellum: language
-frontal lobes: balance
-parietal lobes: memory
-temporal lobes: motor function
parietal lobes: memory
Clinically approved non-FDG imaging of patients with AD targets which of the following?
a-synuclein
tau protein
b-amyloid
microglial activation
b-amyloid
Deficits of FTD involve which of the following areas in the brain?
parietal lobes
frontal lobes
temporal lobes
Both B and C
Both B and C
When performing FDG-PET studies for dementia, all the following precautions should be followed EXCEPT _______.
fasting BGL
high-protein diet
low-carbohydrate diet
disconnection of psychoactive drugs
disconnection of psychoactive drugs
Which category contains the grand mal seizure?
partial
generalized
complex
none of the above
generalized
Which of the following should be noted before an FDG-PET brain study for malignancy?
tumor type
medications
treatment history
all of the above
all of the above
Which of the following preparation instructions should patients be given prior to amyloid PET imaging of the brain?
-fasting for 6hrs prior to scanning
-hold all medications 24hrs prior to scanning
-avoid caffeine for 4hrs prior to scanning
-no special preparation needed
no special preparation needed
On an amyloid PET imaging scan of the brain, which of the following findings is most consistent with pathologic deposition of b-amyloid?
diffuse uptake in the cortex
intense uptake in white matter
asymmetric uptake in the basal ganglia
absent uptake in the midbrain
diffuse uptake in the cortex
