CHAPTER 18: PSYCHIATRIC DISORDERS
2026 COMPLETE STUDY GUIDE | DSM-5
REVIEW, NOTES & PRACTICE QUESTIONS
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Updated 2026 Questions and Answers
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,About what proportion of the adult population is 1%
diagnosed with schizophrenia?
0.01%
0.1%
1%
12%
17%
Schizophrenia typically attacks people in their adolescence or early adulthood
- infancy.
- childhood.
- adolescence or early adulthood.
- middle age.
- old age.
Individuals with a diagnosis of schizophrenia with waxy flexibility
catatonia often experience a unique symptom when
somebody tries to move them:
- visual hallucinations.
- waxy flexibility.
- auditory hallucinations.
- total rigidity.
- tremors.
In the DSM-5, schizophrenia and related disorders are schizophrenia spectrum disorders
referred to as
- hallucinatory disorders.
- inappropriate affect disorders.
- delusional disorders.
- incoherent speech or thought disorders.
- schizophrenia spectrum disorders.
, In the DSM-5, schizophrenia spectrum disorder is overlap greatly with several disorders, which are now all included under the one
preferred to schizophrenia because the symptoms of name
schizophrenia
- often involve hallucinations.
- overlap greatly with several disorders, which are now all
included under the one name.
- do not entail a real disease.
- rarely include incoherent speech or thought.
- involves brain damage to the entire spectrum.
Which of the following is a positive symptom of all of the above
schizophrenia?
- hallucinations
- inappropriate affect
- delusions
- incoherent speech or thought
- all of the above
Hallucinations associated with schizophrenia often take imaginary voices making critical comments or telling the patients what to do
the form of
- ghostly shapes.
- religious figures.
- flashing lights.
- imaginary voices making critical comments or telling the
patient what to do.
- the DSM-IV.
The symptoms of schizophrenia are often divided into positive and negative
two categories:
- positive and negative.
- active and passive.
- genetic and epigenetic.
- genetic and experiential.
- anterograde and retrograde.
The probability that a close biological relative (i.e., a 10%
parent, sibling, or child) of an individual with
schizophrenia will also be diagnosed with schizophrenia
is about
- 1%.
- 2%.
- 10%.
- 35%.
- 55%.
2026 COMPLETE STUDY GUIDE | DSM-5
REVIEW, NOTES & PRACTICE QUESTIONS
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,About what proportion of the adult population is 1%
diagnosed with schizophrenia?
0.01%
0.1%
1%
12%
17%
Schizophrenia typically attacks people in their adolescence or early adulthood
- infancy.
- childhood.
- adolescence or early adulthood.
- middle age.
- old age.
Individuals with a diagnosis of schizophrenia with waxy flexibility
catatonia often experience a unique symptom when
somebody tries to move them:
- visual hallucinations.
- waxy flexibility.
- auditory hallucinations.
- total rigidity.
- tremors.
In the DSM-5, schizophrenia and related disorders are schizophrenia spectrum disorders
referred to as
- hallucinatory disorders.
- inappropriate affect disorders.
- delusional disorders.
- incoherent speech or thought disorders.
- schizophrenia spectrum disorders.
, In the DSM-5, schizophrenia spectrum disorder is overlap greatly with several disorders, which are now all included under the one
preferred to schizophrenia because the symptoms of name
schizophrenia
- often involve hallucinations.
- overlap greatly with several disorders, which are now all
included under the one name.
- do not entail a real disease.
- rarely include incoherent speech or thought.
- involves brain damage to the entire spectrum.
Which of the following is a positive symptom of all of the above
schizophrenia?
- hallucinations
- inappropriate affect
- delusions
- incoherent speech or thought
- all of the above
Hallucinations associated with schizophrenia often take imaginary voices making critical comments or telling the patients what to do
the form of
- ghostly shapes.
- religious figures.
- flashing lights.
- imaginary voices making critical comments or telling the
patient what to do.
- the DSM-IV.
The symptoms of schizophrenia are often divided into positive and negative
two categories:
- positive and negative.
- active and passive.
- genetic and epigenetic.
- genetic and experiential.
- anterograde and retrograde.
The probability that a close biological relative (i.e., a 10%
parent, sibling, or child) of an individual with
schizophrenia will also be diagnosed with schizophrenia
is about
- 1%.
- 2%.
- 10%.
- 35%.
- 55%.
