Head CT > Degenerative > Quiz


Quiz

1. True or False: Alzheimer's disease affects >65% of patients with known dementia.

True
False


2. Choose from the following: The process responsible for Alzheimer's disease begins focally in the _______________.

parietal lobes
occipital lobes
fronto/temporal lobes


3. True or False: Imaging is typically used to rule in the diagnosis of Alzheimer's disease.

True
False


4. Choose from the following: On coronal T1-weighted MRI, one might see which of the following structures atrophied in an Alzheimer's disease patient?

cerebral peduncles
cerebellar vermis
parahippocampal gyrus


5. Choose from the following: Which of the following structures will show metabolic sparing on FDG PET of an individual with Alzheimer's disease?

basal ganglia
amygdala
hippocampus


6. True or False: It is estimated that in the U.S. 1 in 100 persons over the age of 60 has Parkinson's disease.

True
False


7. Choose from the following: In addition to the substantia nigra, what other structure listed among the following will show neuronal loss in Parkinson's disease?

red nucleus
ventral tegmentum
hypoglossal nucleus
none of the above


8. True or False: On axial T2-weighted MRI, decreased width of the pars compacta may be evident in patients with Parkinson's disease.

True
False


9. Choose from the following: On PET imaging using 6-fluorodopa in a patient with Parkinson's disease, decreased uptake is most evident in the __________.

cingulate gyrus
habenula
fornix
putamen


10. True or False: FDG PET imaging in Parkinson's disease shows diffuse cortical hypometabolism most marked in the parietooccipital cortex.

True
False


11. Choose from the following: Huntington's disease is a genetically linked disorder with autosomal ____________ inheritance and __________ penetrance.

recessive; complete
dominant; incomplete
recessive; incomplete
dominant; complete


12. True or False: Huntington's disease is characterized by the selective degeneration of medium sized spiny neurons within the striatum.

True
False


13. Choose from the following: On CT, Huntington's disease appears as _________________________________.

Decrease in the convexity of the caudate heads bilaterally.
Decrease in the relative volume of the lateral ventricles.
Both A and B.
Neither A nor B.


14. Choose from the following: To a lesser extent, what additional structure may exhibit atrophy on imaging in Huntington's disease?

cingulate gyrus
mammilary bodies
putamen
massa intermedia


15. True or False: FDG PET in Huntington's disease may only reveal hypermetabolism in the caudate nucleus.

True
False


16. Choose from the following: Pick's disease is the ________ most common neurodegenerative cortical dementia.

second
third
fourth
Pick's disease is not a common neurodegenerative cortical dementia.


17. True of False: Pick's disease is a tauopathy that only affects the frontal lobe.

True
False


18. Choose from the following: On MRI in Pick's disease, one might observe which of the following?

widening of the Sylvian fissure
atrophy of the inferior frontal and superior temporal lobes
sulcal prominence
enlargement of the frontal horns of the lateral ventricles
all of the above


19. Choose from the following: SPECT imaging in the frontal variant of Pick's disease may reveal hypoperfusion defects in the ______________.

anterolateral temporal lobe
ventromedial frontal region
hippocampal formation
none of the above


20. True of False: Individuals with a neurodegenerative disease will become more common throughout your future medical career.

True
False


Your score is out of 20.

Answers

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