Data from more than 45 family and twin studies spanning seven ...

[Wadzanai]

Data from more than 45 family and twin studies spanning seven decades of research point to the following fact about the inheritability of schizophrenia:
 
  A) Schizophrenia inheritability has been found to have very little genetic basis.
  B) A person whose twin has schizophrenia has a 40 chance of having the disease.
  C) The risk of inheriting schizophrenia to relatives of someone who has the disorder is less than the risk to relatives of normal controls.
  D) Schizophrenia is known to be inherited through behavioral family pathology, not through genetic means.

Question 2

A client was admitted to the psychiatric ICU with schizophrenia, disorganized type. In addition to hallucinations and delusions, other assessments that the nurse would expect to find include what?
 
  A) Blunted inappropriate affect, withdrawal, incoherence, and regression
  B) Abnormal, bizarre posturing; stupor; echolalia; and negativism
  C) Hostility, aggression, persecutory hallucinations, and argumentativeness
  D) Depression, elation, hyperactivity, and pressure of speech

[Loise Hard]

Answer to Question 1

Ans: B
The risk of inheriting schizophrenia is 10 to 20 in those who have one immediate family member with the disease and approximately 40 if the disease affects both parents or an identical twin.

Answer to Question 2

Ans: A
Disorganized type schizophrenia is characterized by positive symptoms (hallucinations and delusions) as well as negative symptoms (blunt affect, withdrawal, regression, etc.). Catatonic schizophrenia is characterized by bizarre posturing, negativism, stupor, and echolalia.