Choose the correct statement concerning the role of genetic factors in schizophrenia.
a. Genetic factors do not seem to be important at all.
b. Concordance rates for schizophrenia appear approximately equal in
monozygotic and dizygotic twins.
c. Concordance rates for schizophrenia are higher in monozygotic twins
than in dizygotic twins.
d. Specific genes have been reliable identified that have allowed for an
exact determination of the biochemical processes evolved in the
etiology of schizophrenia.
Question 2
All of the following statements about hypothalamic-pituitary-adrenal function in major depression are true except
a. Cortisol levels are elevated in some people with major depression.
b. Corticotropin-releasing hormone levels appear to be consistently lower
in people with major depression compared to normal controls.
c. Corticotropin-releasing hormone levels appear to be elevated in people
with major depression.
d. In animal models, stress exposure in early life predicts elevated
corticotropin-releasing factor in adulthood.
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