Exam (elaborations)
NR606 Week 4 Questions And Answers Latest Update
- Course
- NR606
- Institution
- Chamberlain College Of Nursing
NR606 Week 4 Questions And Answers Latest Update
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Solution 2024/2025Pepper
NR606 Week 4 Questions And Answers Latest
Update
develop schizophrenia ANS✔✔ -Many genes play a role
• as do epigenetic factors
• Heritability as high as 79%
-gene-environment interaction
-Environmental Triggers:
• Regular Cannabis Use
• Exposure to Early Life Trauma
➣Sexual Abuse
➣Emotional Abuse
➣Emotional Neglect
➣Bullying
schizophrenia Neuroanatomy ANS✔✔ -Mesocortical & ventromedial
prefrontal cortex: negative and affective symptoms
-Dorsolateral: cognitive symptoms
-Orbitofrontal & connections to the amygdala: aggressive, impulsive
symptoms
Brain Circuits Affected in Schizophrenia: ANS✔✔ -Dopamine Pathways
, Solution 2024/2025
Pepper
• explain the (+) & (-) symptoms seen in schizophrenia & psychosis
Dopamine Role in Psychosis ANS✔✔ -leading hypothesis
• psychosis & schizophrenia associated with dysfunction of neurotransmitter
dopamine (DA)
➣Traditionally surplus of dopamine
Glutamate Role in Psychosis ANS✔✔ -primary excitatory neurotransmitter
-implicated in the overactivity of mesolimbic DA pathway in schizophrenia
-Glutamate hypoactivity may result in lost activation of the mesocortical
dopamine pathway leading to negative symptoms of schizophrenia
GABA is the primary _________ neurotransmitter ANS✔✔ inhibitory
Clinical domains of psychosis symptoms: Positive Symptoms ANS✔✔ -
Hallucinations
-Delusions
-Thought disorder
-Hostility
-Excitability
Clinical domains of psychosis symptoms: Motor Symptoms ANS✔✔ -Motor
delay
-Dyscoordination
-EPS, e.g.
, Solution 2024/2025
Pepper
• Parkinsonism
• Dyskinesia
Clinical domains of psychosis symptoms: Affective Symptoms ANS✔✔ -
Depression
-Anxiety
-Suicidality
Clinical domains of psychosis symptoms: Cognition ANS✔✔ -Attention
-Working memory
-Verbal memory
-Visual memory
-Executive functioning
-Processing speed
-Social conditioning
Clinical domains of psychosis symptoms: Negative Symptoms ANS✔✔ -
Affective flattening
-Alogia
-Anhedonia
-Amotivation
-Asociality
Hallucinations: ANS✔✔ -perceptual experiences in the absence of external
stimuli
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