Question 1

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

Accepted Answer

Hallucinations

Question 2

A patient reports hearing voices that are not present. This is best described as:

Accepted Answer

Hallucination

Question 3

Which age range is the most common for age of onset of schizophrenia?

Accepted Answer

18 - 25 years old

Question 4

Which of the following is a negative symptom of schizophrenia?

Accepted Answer

Flat affect

Question 5

Which neurological abnormality is most commonly associated with schizophrenia?

Accepted Answer

Enlarged ventricles

Question 6

Which of the following statements about the lifetime prevalence of schizophrenia is correct?

Accepted Answer

It occurs in approximately 1% of the population.

Question 7

Which risk factor is most strongly supported by adoption and twin studies for schizophrenia?

Accepted Answer

Genetic/hereditary factors

Question 8

A patient with schizophrenia displays mutism and maintains rigid postures for hours. This is an example of:

Accepted Answer

Catatonia

Question 9

Which of the following is NOT considered a disorganized symptom of schizophrenia?

Accepted Answer

Hallucinations

Question 10

Which prenatal birth complication is associated with higher rates of schizophrenia?

Accepted Answer

Maternal malnutrition

Question 11

Which of the following best describes a delusion?

Accepted Answer

A false belief not based in reality

Question 12

Which symptom must be present for at least 6 months for a diagnosis of schizophrenia according to DSM-5 criteria?

Accepted Answer

Signs of disorder

Question 13

Which of the following is an example of disorganized speech in schizophrenia?

Accepted Answer

Jumping rapidly between unrelated topics

Question 14

Which of the following is a common misconception about schizophrenia?

Accepted Answer

It is the same as dissociative identity disorder.

Question 15

A patient with schizophrenia is unable to experience pleasure from activities they once enjoyed. This symptom is best described as:

Accepted Answer

Anhedonia

Question 16

Which of the following best explains why enlarged ventricles are significant in schizophrenia?

Accepted Answer

They are associated with loss of brain tissue.

Question 17

Which of the following is a real-life example of a stressor that could increase the risk of schizophrenia in a genetically predisposed individual?

Accepted Answer

Experiencing a traumatic event during adolescence

Question 18

Which of the following best describes the relationship between genetic and environmental factors in schizophrenia?

Accepted Answer

Both genetic and environmental factors interact to influence risk.

Question 19

If the lifetime prevalence of schizophrenia is 1%, what is the expected number of cases in a population of 500,000?

Accepted Answer

$$5000$$

Question 20

Which of the following best illustrates the concept of 'disorganized behavior' in schizophrenia?

Accepted Answer

Wearing inappropriate clothing for the weather

Schizophrenia: Symptoms, Risk Factors, and Brain Structure

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