REGIS: NU643 MODULE 4 EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Positive Symptoms of Psychosis
"dramatic symptoms" such as delusions, and hallucinations
Negative Symptoms of Psychosis
Symptoms that mark the absence of features that would normally be present, include
alogia and avolition
Stress diathesis Model of schizophrenia
Genetic biases combined with environmental stressors lead to the development of
schizophrenia
D2 Receptor
Dopamine receptor most commonly targeted by antipsychotic medications.
Mesolimbic dopamine pathway
Originates is the ventral tegmental area of the brainstem and terminates in the nuclease
accumbens of the ventral striatum.
Mesolimbic dopamine pathway
Important for motivation, pleasure and reward, as well as implicated in positive
symptoms of psychosis.
Mesocortical dopamine pathway
Hypoactivity of this pathway is thought to be associated with negative and cognitive
symptoms of schizophrenia
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Positive Symptoms of Psychosis
"dramatic symptoms" such as delusions, and hallucinations
Negative Symptoms of Psychosis
Symptoms that mark the absence of features that would normally be present, include
alogia and avolition
Stress diathesis Model of schizophrenia
Genetic biases combined with environmental stressors lead to the development of
schizophrenia
D2 Receptor
Dopamine receptor most commonly targeted by antipsychotic medications.
Mesolimbic dopamine pathway
Originates is the ventral tegmental area of the brainstem and terminates in the nuclease
accumbens of the ventral striatum.
Mesolimbic dopamine pathway
Important for motivation, pleasure and reward, as well as implicated in positive
symptoms of psychosis.
Mesocortical dopamine pathway
Hypoactivity of this pathway is thought to be associated with negative and cognitive
symptoms of schizophrenia
