NR 547 Psychosis - Week 3 – UPDATED Questions with 100%
Verified Answers
Chamberlain University-Illinois
NR 547
NR 547 Psychosis - Week 3
Study Questions and Answers
Q1 Environmental triggers for the onset of schizophrenia
A Regular cannabis use Exposure to early life trauma (sexual abuse, emotional abuse, emotional neglect, bullying)
Q2 Heritability for schizophrenia
A 79%
Q3 Malfunctioning circuitry for negative and affective symptoms of schizophrenia
A mesocortical and ventromedial prefrontal cortex
Q4 Malfunctioning circuitry for cognitive symptoms of schizophrenia
A dorsolateral prefrontal cortex
Q5 Malfunctioning circuitry for aggressive, and impulsive symptoms of schizophrenia
A orbitofrontal and connections to the amygdala
Q6 Does overactivation or underactivation of dopamine lead to positive symptoms of schizophrenia in the
mesolimbic pathway
A overactivation
Q7 Hyperactivation or hypoactivation of the mesocortical pathway lead to negative, cognitive and affective
symptoms of schizophrenia
A hypoactivation
Q8 Result of low dopamine in the basal ganglia
A akathesia and dystonia
Q9 Pathway responsible for extrapyramidal nervous system which controls posture and vountary motor
movements
NR 547 Psychosis - Week 3 1
, A nigrostriatal pathway
Q10 disruption of this pathway can cause prolactin levels to rise, resulting in gynecomastia and galactorrhea in
males and females. Females can also experience amenorrhea. Males and females can experience sexual
dysfunction.
A tuberoinfundibular pathway
Q11 What role does glutamate play in schizophrenia
A Normally the glutamate pathway inhibits the mesolimbic pathway, however in schizophrenia, the glutamate pathway
becomes hypoactive which may lead to the hyperactivity of the mesolimbic DA pathway, causing the positive
symptoms of schizophrenia
Q12 Underlying medical condition that can cause psychosis
A endocrine, vascular, immunologic or metabolic problems
Q13 Cognitive symptoms psychosis
A disorganization in thoughts, memories, focus or attention
Q14 delusions related to being threatened, victimized, or spied on
A Persecution
Q15 delusions related to receiving personal messages from tv, radio, or actions of others
A reference
Q16 delusions related to the body, including illness or the presence of foreign objects (e.g. Sometimes people
believe there are objects in their bodies; for example they might think they are infested with insects.)
A somatic
Q17 delusions related to beliefs of special abilities or powers
A grandeur
Q18 delusions that actions and thoughts are controlled by others
A control
Q19 Common comorbidities with schizophrenia
A heart and liver disease and diabetes.
NR 547 Psychosis - Week 3 2
Verified Answers
Chamberlain University-Illinois
NR 547
NR 547 Psychosis - Week 3
Study Questions and Answers
Q1 Environmental triggers for the onset of schizophrenia
A Regular cannabis use Exposure to early life trauma (sexual abuse, emotional abuse, emotional neglect, bullying)
Q2 Heritability for schizophrenia
A 79%
Q3 Malfunctioning circuitry for negative and affective symptoms of schizophrenia
A mesocortical and ventromedial prefrontal cortex
Q4 Malfunctioning circuitry for cognitive symptoms of schizophrenia
A dorsolateral prefrontal cortex
Q5 Malfunctioning circuitry for aggressive, and impulsive symptoms of schizophrenia
A orbitofrontal and connections to the amygdala
Q6 Does overactivation or underactivation of dopamine lead to positive symptoms of schizophrenia in the
mesolimbic pathway
A overactivation
Q7 Hyperactivation or hypoactivation of the mesocortical pathway lead to negative, cognitive and affective
symptoms of schizophrenia
A hypoactivation
Q8 Result of low dopamine in the basal ganglia
A akathesia and dystonia
Q9 Pathway responsible for extrapyramidal nervous system which controls posture and vountary motor
movements
NR 547 Psychosis - Week 3 1
, A nigrostriatal pathway
Q10 disruption of this pathway can cause prolactin levels to rise, resulting in gynecomastia and galactorrhea in
males and females. Females can also experience amenorrhea. Males and females can experience sexual
dysfunction.
A tuberoinfundibular pathway
Q11 What role does glutamate play in schizophrenia
A Normally the glutamate pathway inhibits the mesolimbic pathway, however in schizophrenia, the glutamate pathway
becomes hypoactive which may lead to the hyperactivity of the mesolimbic DA pathway, causing the positive
symptoms of schizophrenia
Q12 Underlying medical condition that can cause psychosis
A endocrine, vascular, immunologic or metabolic problems
Q13 Cognitive symptoms psychosis
A disorganization in thoughts, memories, focus or attention
Q14 delusions related to being threatened, victimized, or spied on
A Persecution
Q15 delusions related to receiving personal messages from tv, radio, or actions of others
A reference
Q16 delusions related to the body, including illness or the presence of foreign objects (e.g. Sometimes people
believe there are objects in their bodies; for example they might think they are infested with insects.)
A somatic
Q17 delusions related to beliefs of special abilities or powers
A grandeur
Q18 delusions that actions and thoughts are controlled by others
A control
Q19 Common comorbidities with schizophrenia
A heart and liver disease and diabetes.
NR 547 Psychosis - Week 3 2
