#1
Which of the following is a characteristic symptom of schizophrenia?
Visual hallucinations
ExplanationVisual hallucinations are not a characteristic symptom of schizophrenia; typical symptoms include delusions, disorganized thinking, and hallucinations, often auditory.
#2
Which neurotransmitter is most commonly implicated in psychotic disorders?
Dopamine
ExplanationDopamine is frequently implicated in psychotic disorders, playing a central role in the pathophysiology of conditions like schizophrenia.
#3
Which of the following is a negative symptom of schizophrenia?
Flat affect
ExplanationNegative symptoms in schizophrenia involve deficits in normal functioning, such as flat affect, reduced motivation, and social withdrawal.
#4
Which of the following is a common comorbidity with psychotic disorders?
Bipolar disorder
ExplanationPsychotic disorders often co-occur with mood disorders, such as bipolar disorder, leading to a complex clinical presentation.
#5
What is the primary treatment for psychotic disorders?
Antipsychotic medication
ExplanationAntipsychotic medications are the mainstay of treatment for psychotic disorders, helping manage symptoms and improve quality of life.
#6
What is a common feature of brief psychotic disorder?
Onset exclusively during substance intoxication or withdrawal
ExplanationBrief psychotic disorder is characterized by sudden onset of psychosis, often linked to substance use, and the symptoms resolve within a month.
#7
In catatonic schizophrenia, what is a characteristic motor symptom?
Stupor
ExplanationCatatonic schizophrenia is marked by disturbances in motor behavior, including stupor, which involves a lack of responsiveness to the environment.
#8
Which of the following is NOT a subtype of schizophrenia according to DSM-5?
Cyclothymic schizophrenia
ExplanationCyclothymic schizophrenia is not recognized in DSM-5 as a subtype of schizophrenia; recognized subtypes include paranoid, disorganized, catatonic, and undifferentiated.
#9
What is the typical age of onset for schizophrenia in men?
Between 20-30 years old
ExplanationSchizophrenia typically manifests in late adolescence or early adulthood, with the onset often occurring between the ages of 20-30.
#10
What is the hallmark symptom of schizoaffective disorder?
Mood episodes
ExplanationSchizoaffective disorder is characterized by a combination of psychotic symptoms and mood disturbances, including mood episodes.
#11
Which psychotic disorder is characterized by delusions that someone is out to harm the individual?
Delusional disorder
ExplanationDelusional disorder is characterized by persistent, false beliefs (delusions) without other prominent psychotic symptoms.
#12
Which neurotransmitter system is implicated in the negative symptoms of schizophrenia?
Glutamate
ExplanationWhile dopamine is implicated in positive symptoms, glutamate dysfunction is associated with negative symptoms in schizophrenia.
#13
What percentage of individuals with schizophrenia attempt suicide at least once in their lifetime?
50-60%
ExplanationIndividuals with schizophrenia are at an increased risk of suicide, with a significant percentage attempting it at least once.
#14
What percentage of individuals with schizophrenia have a lifetime prevalence of substance abuse disorder?
70-80%
ExplanationSubstance abuse disorder is common in individuals with schizophrenia, with a high lifetime prevalence.
#15
Which neurotransmitter system is targeted by typical antipsychotic medications?
Dopamine
ExplanationTypical antipsychotic medications primarily target the dopamine system, helping alleviate positive symptoms of schizophrenia.