Chapter 10 Single best answer questions

. Which of the following is true regarding the aetiological factors in schizophrenia?

The child of a person with schizophrenia has a 22% lifetime risk of developing schizophrenia

Tetrahydrocannabinol has been shown to protect against the risk of developing schizophrenia, when used regularly by teenagers

The incidence of schizophrenia is doubled in urban areas, compared with rural areas.

Summer birth is associated with an increased risk of schizophrenia

Schizophrenia has a similar incidence across all social classes

. Which of the following is NOT one of Schneider's first rank symptoms of schizophrenia?

Somatic passivity

Persecutory delusions

Outside agencies causing the person's actions

Hallucinations of a running commentary on the person's actions

Delusional perception

. A GP is called to the house of a 72 year old man after his sister expressed concerns that she hadn't been able to contact him for 3 months. His house was very untidy and unclean. He had a blank expression, took a long time to answer questions, and said very little, speaking slowly with a monotonous tone.
Which of the following is LEAST likely to be the cause of these symptoms?

Cognitive impairment

Persistent delusional disorder

Parkinson's disease

Antipsychotic medication side effects

Depression

. Which of the following is TRUE of atypical antipsychotics?

They block 5-HT₂ receptors

They carry a higher risk of tardive dyskinesia than typical antipsychotics

They block presynaptic D2 receptors

They are the second line choice in schizophrenia

Hyperprolactinaemia is the major problem with this drug group

. Which of the following is predictive of poor prognosis in schizophrenia?

Late onset

Abrupt onset

Short duration of untreated psychosis

Concordance with medication

Substance misuse

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