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Schizophrenia Spectrum and Psychotic Disorders Quiz

#1

Which neurotransmitter is commonly associated with schizophrenia?

Dopamine
Explanation

Excess dopamine activity is implicated in the pathophysiology of schizophrenia.

#2

Which of the following is NOT a common negative symptom of schizophrenia?

Auditory hallucinations
Explanation

Auditory hallucinations are positive symptoms, not negative.

#3

What is the term for a false perception of a stimulus that is not present, such as hearing voices or seeing things that others do not?

Hallucination
Explanation

Hallucinations involve perceiving stimuli that are not present in reality.

#4

Which of the following is a typical early sign of schizophrenia in the prodromal phase?

Social withdrawal
Explanation

Social withdrawal often precedes the full onset of schizophrenia during the prodromal phase.

#5

What is the term for false beliefs that are resistant to reasoning or contrary to actual evidence?

Delusions
Explanation

Delusions are fixed false beliefs that are not amendable by logic.

#6

Which of the following is a common positive symptom of schizophrenia?

Auditory hallucinations
Explanation

Auditory hallucinations involve hearing voices or sounds without external stimuli.

#7

What is the term for a gradual decline in cognitive function, often observed in schizophrenia?

Dementia praecox
Explanation

Dementia praecox refers to the cognitive deterioration often seen in schizophrenia.

#8

What is the primary characteristic of catatonia, a specifier for certain psychotic disorders?

Complete stillness
Explanation

Catatonia involves periods of complete immobility and unresponsiveness.

#9

Which of the following is a common cognitive symptom observed in schizophrenia?

Impaired memory
Explanation

Schizophrenia often presents with deficits in memory and cognitive function.

#10

Which neurotransmitter system is targeted by typical antipsychotic medications?

Dopamine
Explanation

Typical antipsychotics primarily block dopamine receptors to alleviate symptoms.

#11

Which of the following is a negative symptom commonly associated with schizophrenia?

Social withdrawal
Explanation

Social withdrawal is a hallmark negative symptom of schizophrenia.

#12

In the DSM-5, how long must symptoms persist to diagnose schizophrenia?

6 months
Explanation

Symptoms must persist for at least six months for a diagnosis of schizophrenia.

#13

Which subtype of schizophrenia is characterized by disorganized speech and behavior?

Disorganized
Explanation

Disorganized schizophrenia subtype manifests with incoherent speech and erratic behavior.

#14

Which antipsychotic medication is known for its potential to cause agranulocytosis, a severe reduction in white blood cells?

Clozapine
Explanation

Clozapine carries a risk of agranulocytosis, necessitating careful monitoring.

#15

In the context of schizophrenia treatment, what is the term for a relapse of symptoms after a period of improvement?

Relapse
Explanation

Relapse refers to the return of symptoms after an initial improvement.

#16

What is the term for a state of stupor and unresponsiveness often seen in catatonic schizophrenia?

Catalepsy
Explanation

Catalepsy involves maintaining rigid postures for extended periods.

#17

In the context of schizophrenia, what does the term 'prodromal phase' refer to?

Early signs and symptoms before the full onset of the disorder
Explanation

The prodromal phase indicates the early signs preceding the full onset of schizophrenia.

#18

What is the term for a severe reduction in the ability to initiate and persist in goal-directed activities?

Avolition
Explanation

Avolition refers to a profound lack of motivation and goal-directed behavior.

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