NR 547 Differential Diagnosis
Week 6 Complete | Exam Review |
Questions and Answers 100%
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David Mungai
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, NR 547 Differential Diagnosis Week 6
Complete | Exam Review | Questions
and Answers 100% Pass | Graded A+
Neurocognitive disorders - Answer>> delirium and dementia
Dementia - Answer>> -a group of symptoms that mainly affects
memory, cognition and social interactions, and the ability to do
everyday tasks.
-Symptoms start gradually often with no clear beginning, and are
usually permanent.
-Most dementias are caused by neurodegenerative diseases,
most commonly Alzheimer's disease, Lewy body dementia and
frontotemporal dementia
• clumps of abnormal proteins to build up inside neurons,
damaging them, and causing them to slowly degenerate and die
-vascular dementia is another common cause of progressive
dementia
• brain damage occurs when the blood supply to the neurons is
reduced or blocked, again causing them to malfunction or die
-Cognitive Symptoms: Difficulty with complex tasks, Difficulty
planning and organizing, Loss of coordination
-Psychological symptoms: Personality changes, Inappropriate
behaviour, Paranoia, Fear, anxiety, anger or depression.
Delirium - Answer>> ACUTE SUDDEN CHANGE IN MENTAL
STATE
-typically begins suddenly with a noticeable start point.
-mainly affects attention, and often resolves after a few days or
weeks, although it can last longer.
-acute, transient, and usually reversible brain malfunction
-thought to be brought on by multiple neurotransmitter imbalances
, Delirium symptoms - Answer>> -Cognitive Symptoms:
Rambling or nonsense speech, Difficulty reading and writing,
Wandering attention, Becoming easily distracted, Becoming
withdrawn,
-Psychological symptoms: Inability to focus, Reduced awareness
of the environment, Disturbed sleep
-May have hallucinations
-symptoms can fluctuate throughout the day
tell the difference between delirium and dementia - Answer>>
onset
attention
do symptoms fluctuate?
Alzheimer's disease - Answer>> -type of dementia
• 60-80% of dementias
-neurodegenerative disease
-Hallmarks:
• plaques - abnormal protein (beta-amyloid plaques) between
neurons
• tangles - tau protein inside neurons (neurofibrillary tangles)
Alzheimer's disease brain progression - Answer>> -Plaques &
tangles usually start forming and spread from the cortex
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