NR603 Week 1 Quiz -Dementia Mild cognitive impairment (MCI) is thought to be a (ANS- transitional state between normal aging and dementia
Two types of MCI (ANS- amnestic,
nonamnestic,
Amnestic mild cognitive impairment is (ANS- characterized by deficits in memory;
Nonamnestic MCI involves (ANS- impairments in other cognitive functions
Mild cognitive impairment or MCI is a risk factor for (ANS- dementia
Alzheimer disease is characterized by (ANS- amyloid plaques and neurofibrillary tangles.
Examinations of the brains of patients with Alzheimer disease show atrophy of the cerebral cortex that is usually diffuse but may be more pronounced in the frontal, temporal, and parietal lobes. 1 / 2
Vascular Dementia is (ANS- Multiple areas of focal ischemic change characterize vascular dementia,
formerly known as multi-infarct dementia
the defining lesion is the lacunar infarct.
Patients with which history are particularly at risk for developing dementia (ANS
- hypertension,
diabetes,
hyperlipidemia,
peripheral vascular occlusive diseases are at particular risk.
Lewy body dementia is characterized by (ANS- the presence of Lewy bodies in the brain.
there is a loss of dopamine-producing neurons, similar to that seen in Parkinson disease,
and a loss of acetylcholine, similar to that seen in Alzheimer disease.
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